Patent
US 10,850,496CHEMICAL-FREE PRODUCTION OF GRAPHENE-REINFORCED INORGANIC MATRIX COMPOSITES
Aruna Zhamu, Bor Z. Jang
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,850,496Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1) entails treating natural graphite powder with an intercalant and an oxidant (e.g., concentrated sulfuric acid and nitric acid, respectively) to obtain …
FIG. 2. In the most common implementation of ball mill mixing, previously produced graphene 5 sheets or platelets are added to inorganic powders. Energy is …
FIG.3 Illustration of prior art ball mill process to produce inorganic/graphene composites from pie viously produced graphene sheets. [Source: Pan, et al., …
FIG. 4. The impact media may contain balls of metal, glass, ceramic, or organic materials. The size of the impacting media may be in the range of 1 mm to 20 …
FIG. 5 A diagram showing the presently invented process for producing graphene-reinforced inorganic matrix composites via a continuous ball mill.
FIG.6(B) Transmission electron micrograph of graphene sheets produced by the presently invented impact energy method. DETAILED DESCRIPTION OF PREFERRED …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of producing a graphene-reinforced inorganic matrix composite directly from a graphitic material, said method comprising: a) mixing components consisting essentially of multiple particles of a graphitic material and multiple particles of a solid inorganic material to form a mixture in an impacting chamber of an energy impacting apparatus, wherein said graphitic material has never been intercalated, oxidized, or exfoliated and does not include previously produced isolated graphene sheets and wherein no impacting balls are present in said impacting chamber; b) operating said energy impacting apparatus with a frequency and an intensity for a length of time sufficient for transferring graphene sheets directly from said graphitic material to surfaces of said solid inorganic material particles, to produce graphene-coated inorganic particles inside said impacting chamber; and c) forming said graphene-coated inorganic particles into said graphene-reinforced inorganic matrix composite. Currently amended
The method of claim 1, wherein said solid inorganic material is selected from iron, copper, aluminum, lead, tin, zinc, indium, iridium, vanadium, manganese, nickel, zirconia, technetium, silver, silicon, cadmium, gold, platinum, niobium, molybdenum, chromium, manganese, cobalt, alumina, zirconia, titanium dioxide, boron nitride, soda lime glass, lead containing glass, aluminosilicate containing glass, tellurite-containing glass, antimony-containing glass, arsenate-containing glass, titanate-containing glass, tantalite- containing glass, borosilicate-based glasses, silica, high silica content glass, amorphous silicon dioxide, quartz, fused quartz, alumina, beryllia, ceria, carbide, boride, nitride, silicide, carborundum, diamond, an alloy thereof, or a combination thereof. Original
The method of claim 1, wherein said solid inorganic material is selected from zirconium barium titanate, strontium titanate (ST), calcium titanate (CT), magnesium titanate (MT), calcium magnesium titanate (CMT), zinc titanate (ZT), lanthanum titanate (TLT), and neodymium titanate (TNT), barium zirconate (BZ), calcium zirconate (CZ), lead magnesium niobate (PMN), lead zinc niobate (PZN), lithium niobate (LN), barium stannate (BS), calcium stannate (CS), magnesium aluminium silicate, magnesium silicate, barium tantalate, titanium dioxide, niobium oxide, zirconia, silica, sapphire, beryllium oxide, and zirconium tin titanate, indium tin oxide (ITO), lanthanum-doped strontium titanate (SLT), yttrium-doped strontium titanate (SYT) yttria-stabilized zirconia (YSZ), gadolinium- doped ceria (GDC), lanthanum strontium gallate magnesite (LSGM), beta alumina, lead zirconate titanate (PZT), barium titanate (BT), strontium titanate (ST), quartz, ferrites, strontium carbonate, lanthanum strontium manganite, and combinations thereof. Previously presented
The method of claim 1, wherein said solid inorganic material particles include powder, flakes, beads, pellets, spheres, wires, fibers, filaments, discs, ribbons, or rods, having a diameter or thickness from 10 nm to 10 mm. Original
The method of claim 1, wherein said solid inorganic material includes micron- or nanometer-scaled particles that can be melted above a melting temperature, and said method includes a step of melting said solid inorganic carrier material for forming said inorganic matrix composites. Previously presented
The method of claim 1 wherein said graphitic material is selected from natural graphite, synthetic graphite, highly oriented pyrolytic graphite, graphite fiber, graphitic nano- fiber, graphite fluoride, chemically modified graphite, meso-carbon micro-bead, partially crystalline graphite, or a combination thereof. Original
The method of claim 1, wherein the energy impacting apparatus is a vibratory ball mill, planetary ball mill, high energy mill, basket mill, agitator ball mill, cryogenic ball mill, micro ball mill, tumbler ball mill, continuous ball mill, stirred ball mill, pressurized ball mill, plasma-assisted ball mill, freezer mill, vibratory sieve, bead mill, nano bead mill, ultrasonic homogenizer mill, centrifugal planetary mixer, vacuum ball mill or resonant acoustic mixer. Original
The method of claim 1, wherein said step (c) includes melting said inorganic particles to form a melt mixture with graphene sheets dispersed therein, forming said melt mixture into a desired shape and solidifying said shape into said graphene-reinforced inorganic-matrix composite. Original
The method of claim 1, wherein said step (c) includes melting said inorganic particles to form a melt mixture with graphene sheets dispersed therein and extruding said mixture into a rod form or sheet form, spinning said mixture into a fiber form, spraying said mixture into a powder form, or casting said mixture into an ingot form. Original
The method of claim 1, wherein said step (c) includes sintering said graphene- coated inorganic particles into a desired shape of said graphene-reinforced inorganic matrix composite, wherein said sintering device may be a selective laser sintering apparatus. Original
The method of claim 1 wherein said graphene sheets contain graphene fluoride, graphene fluoride with less than 5% fluorine by weight, graphene with a carbon content no less than 95% by weight, or chemically modified graphene. Previously presented
The method of claim 1 wherein said graphene sheets contain single-layer graphene sheets. Original
The method of claim 1 wherein said graphene sheets contain at least 80% single- layer graphene or at least 80% few-layer graphene having no greater than 10 graphene planes. Original
The method of claim 1, wherein said procedure of operating said energy impacting apparatus is conducted in a continuous manner using a continuous energy impacting device. Original
The method of claim 1 wherein said impacting chamber further contains a functionalizing agent and said step (b) of operating said energy impacting apparatus act to chemically functionalize said graphene sheets with said functionalizing agent. Original
A method of producing a graphene-reinforced inorganic matrix composite directly from a graphitic material, said method comprising: a) mixing multiple particles of a graphitic material and multiple particles of a solid inorganic material to form a mixture in an impacting chamber of an energy impacting apparatus, wherein said graphitic material has never been intercalated, oxidized, or exfoliated and does not include previously produced isolated graphene sheets; b) operating said energy impacting apparatus with a frequency and an intensity for a length of time sufficient for transferring graphene sheets directly from said graphitic material to surfaces of said solid inorganic material particles, to produce graphene-coated inorganic particles inside said impacting chamber; and c) forming said graphene-coated inorganic particles into said graphene-reinforced inorganic matrix composite, wherein a plurality of impacting balls or media are added to the impacting chamber of said energy impacting apparatus and wherein the contents of said impacting chamber consists essentially of said particles of graphitic material, said particles of inorganic material, said impacting balls or media and an inert gas. Currently amended
The method of claim 2, wherein a magnet is used to separate the impacting balls or media from the graphene-coated inorganic particles prior to step (c) of forming said graphene-coated inorganic particles into said graphene-reinforced inorganic matrix composite. Original
Canceled
Canceled
A method of producing a graphene-reinforced inorganic matrix composite directly from a graphitic material, said method comprising: a) mixing multiple particles of a graphitic material and multiple particles of a solid inorganic material to form a mixture in an impacting chamber of an energy impacting apparatus, wherein said graphitic material has never been intercalated, oxidized, or exfoliated and does not include previously produced isolated graphene sheets and wherein said solid inorganic material is selected from iron, copper, aluminum, lead, tin, zinc, indium, iridium, vanadium, manganese, nickel, zirconia, technetium, silver, silicon, cadmium, gold, platinum, niobium, molybdenum, chromium, manganese, cobalt, zirconia, titanium dioxide, boron nitride, soda lime glass, lead containing glass, aluminosilicate containing glass, tellurite-containing glass, antimony-containing glass, arsenate-containing glass, titanate-containing glass, tantalite- containing glass, borosilicate-based glasses, silica, high silica content glass, amorphous silicon dioxide, quartz, fused quartz, alumina, beryllia, ceria, carbide, boride, nitride, silicide, carborundum, diamond, an alloy thereof, or a combination thereof; b) operating said energy impacting apparatus with a frequency and an intensity for a length of time sufficient for transferring graphene sheets from said graphitic material to surfaces of said solid inorganic material particles to produce graphene-coated and c) forming said graphene-coated inorganic matrix composite. Withdrawn inorganic particles inside said impacting chamber; particles into said graphene-reinforced inorganic
Layer stacks claimed or described, ordered top of device to substrate.
graphene-reinforced inorganic matrix composite
Materials described outside the worked examples.
graphitic material
solid inorganic material particles
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG.6(B) Transmission electron micrograph of graphene sheets produced by the presently invented impact energy method. DETAILED DESCRIPTION OF PREFERRED …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 600–7200 s | — |
Thickness | 1–20 mm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,850,496Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1) entails treating natural graphite powder with an intercalant and an oxidant (e.g., concentrated sulfuric acid and nitric acid, respectively) to obtain …
FIG. 2. In the most common implementation of ball mill mixing, previously produced graphene 5 sheets or platelets are added to inorganic powders. Energy is …
FIG.3 Illustration of prior art ball mill process to produce inorganic/graphene composites from pie viously produced graphene sheets. [Source: Pan, et al., …
FIG. 4. The impact media may contain balls of metal, glass, ceramic, or organic materials. The size of the impacting media may be in the range of 1 mm to 20 …
FIG. 5 A diagram showing the presently invented process for producing graphene-reinforced inorganic matrix composites via a continuous ball mill.
FIG.6(B) Transmission electron micrograph of graphene sheets produced by the presently invented impact energy method. DETAILED DESCRIPTION OF PREFERRED …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of producing a graphene-reinforced inorganic matrix composite directly from a graphitic material, said method comprising: a) mixing components consisting essentially of multiple particles of a graphitic material and multiple particles of a solid inorganic material to form a mixture in an impacting chamber of an energy impacting apparatus, wherein said graphitic material has never been intercalated, oxidized, or exfoliated and does not include previously produced isolated graphene sheets and wherein no impacting balls are present in said impacting chamber; b) operating said energy impacting apparatus with a frequency and an intensity for a length of time sufficient for transferring graphene sheets directly from said graphitic material to surfaces of said solid inorganic material particles, to produce graphene-coated inorganic particles inside said impacting chamber; and c) forming said graphene-coated inorganic particles into said graphene-reinforced inorganic matrix composite. Currently amended
The method of claim 1, wherein said solid inorganic material is selected from iron, copper, aluminum, lead, tin, zinc, indium, iridium, vanadium, manganese, nickel, zirconia, technetium, silver, silicon, cadmium, gold, platinum, niobium, molybdenum, chromium, manganese, cobalt, alumina, zirconia, titanium dioxide, boron nitride, soda lime glass, lead containing glass, aluminosilicate containing glass, tellurite-containing glass, antimony-containing glass, arsenate-containing glass, titanate-containing glass, tantalite- containing glass, borosilicate-based glasses, silica, high silica content glass, amorphous silicon dioxide, quartz, fused quartz, alumina, beryllia, ceria, carbide, boride, nitride, silicide, carborundum, diamond, an alloy thereof, or a combination thereof. Original
The method of claim 1, wherein said solid inorganic material is selected from zirconium barium titanate, strontium titanate (ST), calcium titanate (CT), magnesium titanate (MT), calcium magnesium titanate (CMT), zinc titanate (ZT), lanthanum titanate (TLT), and neodymium titanate (TNT), barium zirconate (BZ), calcium zirconate (CZ), lead magnesium niobate (PMN), lead zinc niobate (PZN), lithium niobate (LN), barium stannate (BS), calcium stannate (CS), magnesium aluminium silicate, magnesium silicate, barium tantalate, titanium dioxide, niobium oxide, zirconia, silica, sapphire, beryllium oxide, and zirconium tin titanate, indium tin oxide (ITO), lanthanum-doped strontium titanate (SLT), yttrium-doped strontium titanate (SYT) yttria-stabilized zirconia (YSZ), gadolinium- doped ceria (GDC), lanthanum strontium gallate magnesite (LSGM), beta alumina, lead zirconate titanate (PZT), barium titanate (BT), strontium titanate (ST), quartz, ferrites, strontium carbonate, lanthanum strontium manganite, and combinations thereof. Previously presented
The method of claim 1, wherein said solid inorganic material particles include powder, flakes, beads, pellets, spheres, wires, fibers, filaments, discs, ribbons, or rods, having a diameter or thickness from 10 nm to 10 mm. Original
The method of claim 1, wherein said solid inorganic material includes micron- or nanometer-scaled particles that can be melted above a melting temperature, and said method includes a step of melting said solid inorganic carrier material for forming said inorganic matrix composites. Previously presented
The method of claim 1 wherein said graphitic material is selected from natural graphite, synthetic graphite, highly oriented pyrolytic graphite, graphite fiber, graphitic nano- fiber, graphite fluoride, chemically modified graphite, meso-carbon micro-bead, partially crystalline graphite, or a combination thereof. Original
The method of claim 1, wherein the energy impacting apparatus is a vibratory ball mill, planetary ball mill, high energy mill, basket mill, agitator ball mill, cryogenic ball mill, micro ball mill, tumbler ball mill, continuous ball mill, stirred ball mill, pressurized ball mill, plasma-assisted ball mill, freezer mill, vibratory sieve, bead mill, nano bead mill, ultrasonic homogenizer mill, centrifugal planetary mixer, vacuum ball mill or resonant acoustic mixer. Original
The method of claim 1, wherein said step (c) includes melting said inorganic particles to form a melt mixture with graphene sheets dispersed therein, forming said melt mixture into a desired shape and solidifying said shape into said graphene-reinforced inorganic-matrix composite. Original
The method of claim 1, wherein said step (c) includes melting said inorganic particles to form a melt mixture with graphene sheets dispersed therein and extruding said mixture into a rod form or sheet form, spinning said mixture into a fiber form, spraying said mixture into a powder form, or casting said mixture into an ingot form. Original
The method of claim 1, wherein said step (c) includes sintering said graphene- coated inorganic particles into a desired shape of said graphene-reinforced inorganic matrix composite, wherein said sintering device may be a selective laser sintering apparatus. Original
The method of claim 1 wherein said graphene sheets contain graphene fluoride, graphene fluoride with less than 5% fluorine by weight, graphene with a carbon content no less than 95% by weight, or chemically modified graphene. Previously presented
The method of claim 1 wherein said graphene sheets contain single-layer graphene sheets. Original
The method of claim 1 wherein said graphene sheets contain at least 80% single- layer graphene or at least 80% few-layer graphene having no greater than 10 graphene planes. Original
The method of claim 1, wherein said procedure of operating said energy impacting apparatus is conducted in a continuous manner using a continuous energy impacting device. Original
The method of claim 1 wherein said impacting chamber further contains a functionalizing agent and said step (b) of operating said energy impacting apparatus act to chemically functionalize said graphene sheets with said functionalizing agent. Original
A method of producing a graphene-reinforced inorganic matrix composite directly from a graphitic material, said method comprising: a) mixing multiple particles of a graphitic material and multiple particles of a solid inorganic material to form a mixture in an impacting chamber of an energy impacting apparatus, wherein said graphitic material has never been intercalated, oxidized, or exfoliated and does not include previously produced isolated graphene sheets; b) operating said energy impacting apparatus with a frequency and an intensity for a length of time sufficient for transferring graphene sheets directly from said graphitic material to surfaces of said solid inorganic material particles, to produce graphene-coated inorganic particles inside said impacting chamber; and c) forming said graphene-coated inorganic particles into said graphene-reinforced inorganic matrix composite, wherein a plurality of impacting balls or media are added to the impacting chamber of said energy impacting apparatus and wherein the contents of said impacting chamber consists essentially of said particles of graphitic material, said particles of inorganic material, said impacting balls or media and an inert gas. Currently amended
The method of claim 2, wherein a magnet is used to separate the impacting balls or media from the graphene-coated inorganic particles prior to step (c) of forming said graphene-coated inorganic particles into said graphene-reinforced inorganic matrix composite. Original
Canceled
Canceled
A method of producing a graphene-reinforced inorganic matrix composite directly from a graphitic material, said method comprising: a) mixing multiple particles of a graphitic material and multiple particles of a solid inorganic material to form a mixture in an impacting chamber of an energy impacting apparatus, wherein said graphitic material has never been intercalated, oxidized, or exfoliated and does not include previously produced isolated graphene sheets and wherein said solid inorganic material is selected from iron, copper, aluminum, lead, tin, zinc, indium, iridium, vanadium, manganese, nickel, zirconia, technetium, silver, silicon, cadmium, gold, platinum, niobium, molybdenum, chromium, manganese, cobalt, zirconia, titanium dioxide, boron nitride, soda lime glass, lead containing glass, aluminosilicate containing glass, tellurite-containing glass, antimony-containing glass, arsenate-containing glass, titanate-containing glass, tantalite- containing glass, borosilicate-based glasses, silica, high silica content glass, amorphous silicon dioxide, quartz, fused quartz, alumina, beryllia, ceria, carbide, boride, nitride, silicide, carborundum, diamond, an alloy thereof, or a combination thereof; b) operating said energy impacting apparatus with a frequency and an intensity for a length of time sufficient for transferring graphene sheets from said graphitic material to surfaces of said solid inorganic material particles to produce graphene-coated and c) forming said graphene-coated inorganic matrix composite. Withdrawn inorganic particles inside said impacting chamber; particles into said graphene-reinforced inorganic
Layer stacks claimed or described, ordered top of device to substrate.
graphene-reinforced inorganic matrix composite
Materials described outside the worked examples.
graphitic material
solid inorganic material particles
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG.6(B) Transmission electron micrograph of graphene sheets produced by the presently invented impact energy method. DETAILED DESCRIPTION OF PREFERRED …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 600–7200 s | — |
Thickness | 1–20 mm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,850,496Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1) entails treating natural graphite powder with an intercalant and an oxidant (e.g., concentrated sulfuric acid and nitric acid, respectively) to obtain …
FIG. 2. In the most common implementation of ball mill mixing, previously produced graphene 5 sheets or platelets are added to inorganic powders. Energy is …
FIG.3 Illustration of prior art ball mill process to produce inorganic/graphene composites from pie viously produced graphene sheets. [Source: Pan, et al., …
FIG. 4. The impact media may contain balls of metal, glass, ceramic, or organic materials. The size of the impacting media may be in the range of 1 mm to 20 …
FIG. 5 A diagram showing the presently invented process for producing graphene-reinforced inorganic matrix composites via a continuous ball mill.
FIG.6(B) Transmission electron micrograph of graphene sheets produced by the presently invented impact energy method. DETAILED DESCRIPTION OF PREFERRED …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of producing a graphene-reinforced inorganic matrix composite directly from a graphitic material, said method comprising: a) mixing components consisting essentially of multiple particles of a graphitic material and multiple particles of a solid inorganic material to form a mixture in an impacting chamber of an energy impacting apparatus, wherein said graphitic material has never been intercalated, oxidized, or exfoliated and does not include previously produced isolated graphene sheets and wherein no impacting balls are present in said impacting chamber; b) operating said energy impacting apparatus with a frequency and an intensity for a length of time sufficient for transferring graphene sheets directly from said graphitic material to surfaces of said solid inorganic material particles, to produce graphene-coated inorganic particles inside said impacting chamber; and c) forming said graphene-coated inorganic particles into said graphene-reinforced inorganic matrix composite. Currently amended
The method of claim 1, wherein said solid inorganic material is selected from iron, copper, aluminum, lead, tin, zinc, indium, iridium, vanadium, manganese, nickel, zirconia, technetium, silver, silicon, cadmium, gold, platinum, niobium, molybdenum, chromium, manganese, cobalt, alumina, zirconia, titanium dioxide, boron nitride, soda lime glass, lead containing glass, aluminosilicate containing glass, tellurite-containing glass, antimony-containing glass, arsenate-containing glass, titanate-containing glass, tantalite- containing glass, borosilicate-based glasses, silica, high silica content glass, amorphous silicon dioxide, quartz, fused quartz, alumina, beryllia, ceria, carbide, boride, nitride, silicide, carborundum, diamond, an alloy thereof, or a combination thereof. Original
The method of claim 1, wherein said solid inorganic material is selected from zirconium barium titanate, strontium titanate (ST), calcium titanate (CT), magnesium titanate (MT), calcium magnesium titanate (CMT), zinc titanate (ZT), lanthanum titanate (TLT), and neodymium titanate (TNT), barium zirconate (BZ), calcium zirconate (CZ), lead magnesium niobate (PMN), lead zinc niobate (PZN), lithium niobate (LN), barium stannate (BS), calcium stannate (CS), magnesium aluminium silicate, magnesium silicate, barium tantalate, titanium dioxide, niobium oxide, zirconia, silica, sapphire, beryllium oxide, and zirconium tin titanate, indium tin oxide (ITO), lanthanum-doped strontium titanate (SLT), yttrium-doped strontium titanate (SYT) yttria-stabilized zirconia (YSZ), gadolinium- doped ceria (GDC), lanthanum strontium gallate magnesite (LSGM), beta alumina, lead zirconate titanate (PZT), barium titanate (BT), strontium titanate (ST), quartz, ferrites, strontium carbonate, lanthanum strontium manganite, and combinations thereof. Previously presented
The method of claim 1, wherein said solid inorganic material particles include powder, flakes, beads, pellets, spheres, wires, fibers, filaments, discs, ribbons, or rods, having a diameter or thickness from 10 nm to 10 mm. Original
The method of claim 1, wherein said solid inorganic material includes micron- or nanometer-scaled particles that can be melted above a melting temperature, and said method includes a step of melting said solid inorganic carrier material for forming said inorganic matrix composites. Previously presented
The method of claim 1 wherein said graphitic material is selected from natural graphite, synthetic graphite, highly oriented pyrolytic graphite, graphite fiber, graphitic nano- fiber, graphite fluoride, chemically modified graphite, meso-carbon micro-bead, partially crystalline graphite, or a combination thereof. Original
The method of claim 1, wherein the energy impacting apparatus is a vibratory ball mill, planetary ball mill, high energy mill, basket mill, agitator ball mill, cryogenic ball mill, micro ball mill, tumbler ball mill, continuous ball mill, stirred ball mill, pressurized ball mill, plasma-assisted ball mill, freezer mill, vibratory sieve, bead mill, nano bead mill, ultrasonic homogenizer mill, centrifugal planetary mixer, vacuum ball mill or resonant acoustic mixer. Original
The method of claim 1, wherein said step (c) includes melting said inorganic particles to form a melt mixture with graphene sheets dispersed therein, forming said melt mixture into a desired shape and solidifying said shape into said graphene-reinforced inorganic-matrix composite. Original
The method of claim 1, wherein said step (c) includes melting said inorganic particles to form a melt mixture with graphene sheets dispersed therein and extruding said mixture into a rod form or sheet form, spinning said mixture into a fiber form, spraying said mixture into a powder form, or casting said mixture into an ingot form. Original
The method of claim 1, wherein said step (c) includes sintering said graphene- coated inorganic particles into a desired shape of said graphene-reinforced inorganic matrix composite, wherein said sintering device may be a selective laser sintering apparatus. Original
The method of claim 1 wherein said graphene sheets contain graphene fluoride, graphene fluoride with less than 5% fluorine by weight, graphene with a carbon content no less than 95% by weight, or chemically modified graphene. Previously presented
The method of claim 1 wherein said graphene sheets contain single-layer graphene sheets. Original
The method of claim 1 wherein said graphene sheets contain at least 80% single- layer graphene or at least 80% few-layer graphene having no greater than 10 graphene planes. Original
The method of claim 1, wherein said procedure of operating said energy impacting apparatus is conducted in a continuous manner using a continuous energy impacting device. Original
The method of claim 1 wherein said impacting chamber further contains a functionalizing agent and said step (b) of operating said energy impacting apparatus act to chemically functionalize said graphene sheets with said functionalizing agent. Original
A method of producing a graphene-reinforced inorganic matrix composite directly from a graphitic material, said method comprising: a) mixing multiple particles of a graphitic material and multiple particles of a solid inorganic material to form a mixture in an impacting chamber of an energy impacting apparatus, wherein said graphitic material has never been intercalated, oxidized, or exfoliated and does not include previously produced isolated graphene sheets; b) operating said energy impacting apparatus with a frequency and an intensity for a length of time sufficient for transferring graphene sheets directly from said graphitic material to surfaces of said solid inorganic material particles, to produce graphene-coated inorganic particles inside said impacting chamber; and c) forming said graphene-coated inorganic particles into said graphene-reinforced inorganic matrix composite, wherein a plurality of impacting balls or media are added to the impacting chamber of said energy impacting apparatus and wherein the contents of said impacting chamber consists essentially of said particles of graphitic material, said particles of inorganic material, said impacting balls or media and an inert gas. Currently amended
The method of claim 2, wherein a magnet is used to separate the impacting balls or media from the graphene-coated inorganic particles prior to step (c) of forming said graphene-coated inorganic particles into said graphene-reinforced inorganic matrix composite. Original
Canceled
Canceled
A method of producing a graphene-reinforced inorganic matrix composite directly from a graphitic material, said method comprising: a) mixing multiple particles of a graphitic material and multiple particles of a solid inorganic material to form a mixture in an impacting chamber of an energy impacting apparatus, wherein said graphitic material has never been intercalated, oxidized, or exfoliated and does not include previously produced isolated graphene sheets and wherein said solid inorganic material is selected from iron, copper, aluminum, lead, tin, zinc, indium, iridium, vanadium, manganese, nickel, zirconia, technetium, silver, silicon, cadmium, gold, platinum, niobium, molybdenum, chromium, manganese, cobalt, zirconia, titanium dioxide, boron nitride, soda lime glass, lead containing glass, aluminosilicate containing glass, tellurite-containing glass, antimony-containing glass, arsenate-containing glass, titanate-containing glass, tantalite- containing glass, borosilicate-based glasses, silica, high silica content glass, amorphous silicon dioxide, quartz, fused quartz, alumina, beryllia, ceria, carbide, boride, nitride, silicide, carborundum, diamond, an alloy thereof, or a combination thereof; b) operating said energy impacting apparatus with a frequency and an intensity for a length of time sufficient for transferring graphene sheets from said graphitic material to surfaces of said solid inorganic material particles to produce graphene-coated and c) forming said graphene-coated inorganic matrix composite. Withdrawn inorganic particles inside said impacting chamber; particles into said graphene-reinforced inorganic
Layer stacks claimed or described, ordered top of device to substrate.
graphene-reinforced inorganic matrix composite
Materials described outside the worked examples.
graphitic material
solid inorganic material particles
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG.6(B) Transmission electron micrograph of graphene sheets produced by the presently invented impact energy method. DETAILED DESCRIPTION OF PREFERRED …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 600–7200 s | — |
Thickness | 1–20 mm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,850,496Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1) entails treating natural graphite powder with an intercalant and an oxidant (e.g., concentrated sulfuric acid and nitric acid, respectively) to obtain …
FIG. 2. In the most common implementation of ball mill mixing, previously produced graphene 5 sheets or platelets are added to inorganic powders. Energy is …
FIG.3 Illustration of prior art ball mill process to produce inorganic/graphene composites from pie viously produced graphene sheets. [Source: Pan, et al., …
FIG. 4. The impact media may contain balls of metal, glass, ceramic, or organic materials. The size of the impacting media may be in the range of 1 mm to 20 …
FIG. 5 A diagram showing the presently invented process for producing graphene-reinforced inorganic matrix composites via a continuous ball mill.
FIG.6(B) Transmission electron micrograph of graphene sheets produced by the presently invented impact energy method. DETAILED DESCRIPTION OF PREFERRED …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of producing a graphene-reinforced inorganic matrix composite directly from a graphitic material, said method comprising: a) mixing components consisting essentially of multiple particles of a graphitic material and multiple particles of a solid inorganic material to form a mixture in an impacting chamber of an energy impacting apparatus, wherein said graphitic material has never been intercalated, oxidized, or exfoliated and does not include previously produced isolated graphene sheets and wherein no impacting balls are present in said impacting chamber; b) operating said energy impacting apparatus with a frequency and an intensity for a length of time sufficient for transferring graphene sheets directly from said graphitic material to surfaces of said solid inorganic material particles, to produce graphene-coated inorganic particles inside said impacting chamber; and c) forming said graphene-coated inorganic particles into said graphene-reinforced inorganic matrix composite. Currently amended
The method of claim 1, wherein said solid inorganic material is selected from iron, copper, aluminum, lead, tin, zinc, indium, iridium, vanadium, manganese, nickel, zirconia, technetium, silver, silicon, cadmium, gold, platinum, niobium, molybdenum, chromium, manganese, cobalt, alumina, zirconia, titanium dioxide, boron nitride, soda lime glass, lead containing glass, aluminosilicate containing glass, tellurite-containing glass, antimony-containing glass, arsenate-containing glass, titanate-containing glass, tantalite- containing glass, borosilicate-based glasses, silica, high silica content glass, amorphous silicon dioxide, quartz, fused quartz, alumina, beryllia, ceria, carbide, boride, nitride, silicide, carborundum, diamond, an alloy thereof, or a combination thereof. Original
The method of claim 1, wherein said solid inorganic material is selected from zirconium barium titanate, strontium titanate (ST), calcium titanate (CT), magnesium titanate (MT), calcium magnesium titanate (CMT), zinc titanate (ZT), lanthanum titanate (TLT), and neodymium titanate (TNT), barium zirconate (BZ), calcium zirconate (CZ), lead magnesium niobate (PMN), lead zinc niobate (PZN), lithium niobate (LN), barium stannate (BS), calcium stannate (CS), magnesium aluminium silicate, magnesium silicate, barium tantalate, titanium dioxide, niobium oxide, zirconia, silica, sapphire, beryllium oxide, and zirconium tin titanate, indium tin oxide (ITO), lanthanum-doped strontium titanate (SLT), yttrium-doped strontium titanate (SYT) yttria-stabilized zirconia (YSZ), gadolinium- doped ceria (GDC), lanthanum strontium gallate magnesite (LSGM), beta alumina, lead zirconate titanate (PZT), barium titanate (BT), strontium titanate (ST), quartz, ferrites, strontium carbonate, lanthanum strontium manganite, and combinations thereof. Previously presented
The method of claim 1, wherein said solid inorganic material particles include powder, flakes, beads, pellets, spheres, wires, fibers, filaments, discs, ribbons, or rods, having a diameter or thickness from 10 nm to 10 mm. Original
The method of claim 1, wherein said solid inorganic material includes micron- or nanometer-scaled particles that can be melted above a melting temperature, and said method includes a step of melting said solid inorganic carrier material for forming said inorganic matrix composites. Previously presented
The method of claim 1 wherein said graphitic material is selected from natural graphite, synthetic graphite, highly oriented pyrolytic graphite, graphite fiber, graphitic nano- fiber, graphite fluoride, chemically modified graphite, meso-carbon micro-bead, partially crystalline graphite, or a combination thereof. Original
The method of claim 1, wherein the energy impacting apparatus is a vibratory ball mill, planetary ball mill, high energy mill, basket mill, agitator ball mill, cryogenic ball mill, micro ball mill, tumbler ball mill, continuous ball mill, stirred ball mill, pressurized ball mill, plasma-assisted ball mill, freezer mill, vibratory sieve, bead mill, nano bead mill, ultrasonic homogenizer mill, centrifugal planetary mixer, vacuum ball mill or resonant acoustic mixer. Original
The method of claim 1, wherein said step (c) includes melting said inorganic particles to form a melt mixture with graphene sheets dispersed therein, forming said melt mixture into a desired shape and solidifying said shape into said graphene-reinforced inorganic-matrix composite. Original
The method of claim 1, wherein said step (c) includes melting said inorganic particles to form a melt mixture with graphene sheets dispersed therein and extruding said mixture into a rod form or sheet form, spinning said mixture into a fiber form, spraying said mixture into a powder form, or casting said mixture into an ingot form. Original
The method of claim 1, wherein said step (c) includes sintering said graphene- coated inorganic particles into a desired shape of said graphene-reinforced inorganic matrix composite, wherein said sintering device may be a selective laser sintering apparatus. Original
The method of claim 1 wherein said graphene sheets contain graphene fluoride, graphene fluoride with less than 5% fluorine by weight, graphene with a carbon content no less than 95% by weight, or chemically modified graphene. Previously presented
The method of claim 1 wherein said graphene sheets contain single-layer graphene sheets. Original
The method of claim 1 wherein said graphene sheets contain at least 80% single- layer graphene or at least 80% few-layer graphene having no greater than 10 graphene planes. Original
The method of claim 1, wherein said procedure of operating said energy impacting apparatus is conducted in a continuous manner using a continuous energy impacting device. Original
The method of claim 1 wherein said impacting chamber further contains a functionalizing agent and said step (b) of operating said energy impacting apparatus act to chemically functionalize said graphene sheets with said functionalizing agent. Original
A method of producing a graphene-reinforced inorganic matrix composite directly from a graphitic material, said method comprising: a) mixing multiple particles of a graphitic material and multiple particles of a solid inorganic material to form a mixture in an impacting chamber of an energy impacting apparatus, wherein said graphitic material has never been intercalated, oxidized, or exfoliated and does not include previously produced isolated graphene sheets; b) operating said energy impacting apparatus with a frequency and an intensity for a length of time sufficient for transferring graphene sheets directly from said graphitic material to surfaces of said solid inorganic material particles, to produce graphene-coated inorganic particles inside said impacting chamber; and c) forming said graphene-coated inorganic particles into said graphene-reinforced inorganic matrix composite, wherein a plurality of impacting balls or media are added to the impacting chamber of said energy impacting apparatus and wherein the contents of said impacting chamber consists essentially of said particles of graphitic material, said particles of inorganic material, said impacting balls or media and an inert gas. Currently amended
The method of claim 2, wherein a magnet is used to separate the impacting balls or media from the graphene-coated inorganic particles prior to step (c) of forming said graphene-coated inorganic particles into said graphene-reinforced inorganic matrix composite. Original
Canceled
Canceled
A method of producing a graphene-reinforced inorganic matrix composite directly from a graphitic material, said method comprising: a) mixing multiple particles of a graphitic material and multiple particles of a solid inorganic material to form a mixture in an impacting chamber of an energy impacting apparatus, wherein said graphitic material has never been intercalated, oxidized, or exfoliated and does not include previously produced isolated graphene sheets and wherein said solid inorganic material is selected from iron, copper, aluminum, lead, tin, zinc, indium, iridium, vanadium, manganese, nickel, zirconia, technetium, silver, silicon, cadmium, gold, platinum, niobium, molybdenum, chromium, manganese, cobalt, zirconia, titanium dioxide, boron nitride, soda lime glass, lead containing glass, aluminosilicate containing glass, tellurite-containing glass, antimony-containing glass, arsenate-containing glass, titanate-containing glass, tantalite- containing glass, borosilicate-based glasses, silica, high silica content glass, amorphous silicon dioxide, quartz, fused quartz, alumina, beryllia, ceria, carbide, boride, nitride, silicide, carborundum, diamond, an alloy thereof, or a combination thereof; b) operating said energy impacting apparatus with a frequency and an intensity for a length of time sufficient for transferring graphene sheets from said graphitic material to surfaces of said solid inorganic material particles to produce graphene-coated and c) forming said graphene-coated inorganic matrix composite. Withdrawn inorganic particles inside said impacting chamber; particles into said graphene-reinforced inorganic
Layer stacks claimed or described, ordered top of device to substrate.
graphene-reinforced inorganic matrix composite
Materials described outside the worked examples.
graphitic material
solid inorganic material particles
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG.6(B) Transmission electron micrograph of graphene sheets produced by the presently invented impact energy method. DETAILED DESCRIPTION OF PREFERRED …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 600–7200 s | — |
Thickness | 1–20 mm |
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FIG.6(B) Transmission electron micrograph of graphene sheets produced by the presently invented impact energy method. DETAILED DESCRIPTION OF PREFERRED …
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