Patent
US 10,822,237METHOD FOR MANUFACTURING GRAPHENE BALLS
Hee-Dong JANG
US
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Patent
Atlas literature
Patent
US 10,822,237Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 shows an analysis result of the crystal form of graphene balls according to the concentration of glucose.
FIG. 2 shows an analysis result of a Raman analysis of graphene balls prepared according to changes in glucose concentration.
FIG. 3 shows scanning electron microscope (SEM) images of graphene balls prepared according to the presence or absence of ammonia water and the concentration …
FIG. 4 is a graph showing the capacitance change according to the current density of the prepared graphene balls.
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 for preparing graphene balls comprising, a) preparing a dispersion which includes, a graphene oxide, a reducing agent ranging from a monosaccharide to a polysaccharide, and an ammonia aqueous solution, wherein the ammonia aqueous solution contains 20 to 35 % by weight of the ammonia, and wherein the dispersion contains 1 to 10 % by weight of the ammonia aqueous solution; and b) spraying and drying the dispersion, wherein the sphericalness of the graphene balls is Equation 1: [Equation 1] SVG 16306247.09-03-2020.KETWMTTLLDFLYX2.CLM.1.svg 0.28 1.08 Black and white where, d sh ort is the shortest diameter of a graphene ball, and dion g is the longest diameter of the graphene ball. Currently amended
The method of claim 1, wherein the step a) comprises, al) preparing a first dispersion which includes a graphene oxide and a reducing agent ranging from a monosaccharide to a polysaccharide; and a2) mixing the first dispersion with an ammonia aqueous solution to prepare a second dispersion. Previously presented
The method of claim 1, wherein the reducing agent ranging from a monosaccharide to a polysaccharide is one or more selected from a group consisting of glucose, fructose, galactose, sucrose, maltose and lactose. Original
The method of claim 1, wherein the dispersion contains 0.1 to 2 % by weight of the graphene oxide. Original
The method of claim 1, wherein the dispersion contains 0.3 to 3 % by weight of the reducing agent. Original
The method of claim 1, wherein the step b) is performed at 150 to 250 °C. Original
The method of claim 1, further comprising, drying at 50 to 70 ° C for 12 to 48 hours after the step b). Original
Canceled
Materials described outside the worked examples.
graphene oxide
reducing agent (monosaccharide to polysaccharide)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 shows an analysis result of a Raman analysis of graphene balls prepared according to changes in glucose concentration.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
sphericalness (d_short/d_long) | — | graphene balls |
Duration | 30–120 minutes |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,822,237Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 shows an analysis result of the crystal form of graphene balls according to the concentration of glucose.
FIG. 2 shows an analysis result of a Raman analysis of graphene balls prepared according to changes in glucose concentration.
FIG. 3 shows scanning electron microscope (SEM) images of graphene balls prepared according to the presence or absence of ammonia water and the concentration …
FIG. 4 is a graph showing the capacitance change according to the current density of the prepared graphene balls.
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 for preparing graphene balls comprising, a) preparing a dispersion which includes, a graphene oxide, a reducing agent ranging from a monosaccharide to a polysaccharide, and an ammonia aqueous solution, wherein the ammonia aqueous solution contains 20 to 35 % by weight of the ammonia, and wherein the dispersion contains 1 to 10 % by weight of the ammonia aqueous solution; and b) spraying and drying the dispersion, wherein the sphericalness of the graphene balls is Equation 1: [Equation 1] SVG 16306247.09-03-2020.KETWMTTLLDFLYX2.CLM.1.svg 0.28 1.08 Black and white where, d sh ort is the shortest diameter of a graphene ball, and dion g is the longest diameter of the graphene ball. Currently amended
The method of claim 1, wherein the step a) comprises, al) preparing a first dispersion which includes a graphene oxide and a reducing agent ranging from a monosaccharide to a polysaccharide; and a2) mixing the first dispersion with an ammonia aqueous solution to prepare a second dispersion. Previously presented
The method of claim 1, wherein the reducing agent ranging from a monosaccharide to a polysaccharide is one or more selected from a group consisting of glucose, fructose, galactose, sucrose, maltose and lactose. Original
The method of claim 1, wherein the dispersion contains 0.1 to 2 % by weight of the graphene oxide. Original
The method of claim 1, wherein the dispersion contains 0.3 to 3 % by weight of the reducing agent. Original
The method of claim 1, wherein the step b) is performed at 150 to 250 °C. Original
The method of claim 1, further comprising, drying at 50 to 70 ° C for 12 to 48 hours after the step b). Original
Canceled
Materials described outside the worked examples.
graphene oxide
reducing agent (monosaccharide to polysaccharide)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 shows an analysis result of a Raman analysis of graphene balls prepared according to changes in glucose concentration.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
sphericalness (d_short/d_long) | — | graphene balls |
Duration | 30–120 minutes |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,822,237Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 shows an analysis result of the crystal form of graphene balls according to the concentration of glucose.
FIG. 2 shows an analysis result of a Raman analysis of graphene balls prepared according to changes in glucose concentration.
FIG. 3 shows scanning electron microscope (SEM) images of graphene balls prepared according to the presence or absence of ammonia water and the concentration …
FIG. 4 is a graph showing the capacitance change according to the current density of the prepared graphene balls.
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 for preparing graphene balls comprising, a) preparing a dispersion which includes, a graphene oxide, a reducing agent ranging from a monosaccharide to a polysaccharide, and an ammonia aqueous solution, wherein the ammonia aqueous solution contains 20 to 35 % by weight of the ammonia, and wherein the dispersion contains 1 to 10 % by weight of the ammonia aqueous solution; and b) spraying and drying the dispersion, wherein the sphericalness of the graphene balls is Equation 1: [Equation 1] SVG 16306247.09-03-2020.KETWMTTLLDFLYX2.CLM.1.svg 0.28 1.08 Black and white where, d sh ort is the shortest diameter of a graphene ball, and dion g is the longest diameter of the graphene ball. Currently amended
The method of claim 1, wherein the step a) comprises, al) preparing a first dispersion which includes a graphene oxide and a reducing agent ranging from a monosaccharide to a polysaccharide; and a2) mixing the first dispersion with an ammonia aqueous solution to prepare a second dispersion. Previously presented
The method of claim 1, wherein the reducing agent ranging from a monosaccharide to a polysaccharide is one or more selected from a group consisting of glucose, fructose, galactose, sucrose, maltose and lactose. Original
The method of claim 1, wherein the dispersion contains 0.1 to 2 % by weight of the graphene oxide. Original
The method of claim 1, wherein the dispersion contains 0.3 to 3 % by weight of the reducing agent. Original
The method of claim 1, wherein the step b) is performed at 150 to 250 °C. Original
The method of claim 1, further comprising, drying at 50 to 70 ° C for 12 to 48 hours after the step b). Original
Canceled
Materials described outside the worked examples.
graphene oxide
reducing agent (monosaccharide to polysaccharide)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 shows an analysis result of a Raman analysis of graphene balls prepared according to changes in glucose concentration.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
sphericalness (d_short/d_long) | — | graphene balls |
Duration | 30–120 minutes |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,822,237Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 shows an analysis result of the crystal form of graphene balls according to the concentration of glucose.
FIG. 2 shows an analysis result of a Raman analysis of graphene balls prepared according to changes in glucose concentration.
FIG. 3 shows scanning electron microscope (SEM) images of graphene balls prepared according to the presence or absence of ammonia water and the concentration …
FIG. 4 is a graph showing the capacitance change according to the current density of the prepared graphene balls.
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 for preparing graphene balls comprising, a) preparing a dispersion which includes, a graphene oxide, a reducing agent ranging from a monosaccharide to a polysaccharide, and an ammonia aqueous solution, wherein the ammonia aqueous solution contains 20 to 35 % by weight of the ammonia, and wherein the dispersion contains 1 to 10 % by weight of the ammonia aqueous solution; and b) spraying and drying the dispersion, wherein the sphericalness of the graphene balls is Equation 1: [Equation 1] SVG 16306247.09-03-2020.KETWMTTLLDFLYX2.CLM.1.svg 0.28 1.08 Black and white where, d sh ort is the shortest diameter of a graphene ball, and dion g is the longest diameter of the graphene ball. Currently amended
The method of claim 1, wherein the step a) comprises, al) preparing a first dispersion which includes a graphene oxide and a reducing agent ranging from a monosaccharide to a polysaccharide; and a2) mixing the first dispersion with an ammonia aqueous solution to prepare a second dispersion. Previously presented
The method of claim 1, wherein the reducing agent ranging from a monosaccharide to a polysaccharide is one or more selected from a group consisting of glucose, fructose, galactose, sucrose, maltose and lactose. Original
The method of claim 1, wherein the dispersion contains 0.1 to 2 % by weight of the graphene oxide. Original
The method of claim 1, wherein the dispersion contains 0.3 to 3 % by weight of the reducing agent. Original
The method of claim 1, wherein the step b) is performed at 150 to 250 °C. Original
The method of claim 1, further comprising, drying at 50 to 70 ° C for 12 to 48 hours after the step b). Original
Canceled
Materials described outside the worked examples.
graphene oxide
reducing agent (monosaccharide to polysaccharide)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 shows an analysis result of a Raman analysis of graphene balls prepared according to changes in glucose concentration.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
sphericalness (d_short/d_long) | — | graphene balls |
Duration | 30–120 minutes |
Related documents with shared materials, methods, properties, or citations.
ammonia aqueous solution
glucose
C₆H₁₂O₆
sucrose
C₁₂H₂₂O₁₁
graphene balls
FIG. 3 shows scanning electron microscope (SEM) images of graphene balls prepared according to the presence or absence of ammonia water and the concentration …
FIG. 4 is a graph showing the capacitance change according to the current density of the prepared graphene balls.
| — |
Duration | 40–90 minutes | — |
Duration | 5–30 minutes | — |
Duration | 6–48 hours | — |
Duration | 12–36 hours | — |
Temperature | 200–400 °C | — |
Duration | 1–3 hours | — |
Duration | 1800–7200 s | — |
Temperature | 80–100 °C | — |
Temperature | 150–250 °C | — |
Temperature | 50–70 °C | — |
Duration | 12–48 hours | — |
ammonia aqueous solution
glucose
C₆H₁₂O₆
sucrose
C₁₂H₂₂O₁₁
graphene balls
FIG. 3 shows scanning electron microscope (SEM) images of graphene balls prepared according to the presence or absence of ammonia water and the concentration …
FIG. 4 is a graph showing the capacitance change according to the current density of the prepared graphene balls.
| — |
Duration | 40–90 minutes | — |
Duration | 5–30 minutes | — |
Duration | 6–48 hours | — |
Duration | 12–36 hours | — |
Temperature | 200–400 °C | — |
Duration | 1–3 hours | — |
Duration | 1800–7200 s | — |
Temperature | 80–100 °C | — |
Temperature | 150–250 °C | — |
Temperature | 50–70 °C | — |
Duration | 12–48 hours | — |
ammonia aqueous solution
glucose
C₆H₁₂O₆
sucrose
C₁₂H₂₂O₁₁
graphene balls
FIG. 3 shows scanning electron microscope (SEM) images of graphene balls prepared according to the presence or absence of ammonia water and the concentration …
FIG. 4 is a graph showing the capacitance change according to the current density of the prepared graphene balls.
| — |
Duration | 40–90 minutes | — |
Duration | 5–30 minutes | — |
Duration | 6–48 hours | — |
Duration | 12–36 hours | — |
Temperature | 200–400 °C | — |
Duration | 1–3 hours | — |
Duration | 1800–7200 s | — |
Temperature | 80–100 °C | — |
Temperature | 150–250 °C | — |
Temperature | 50–70 °C | — |
Duration | 12–48 hours | — |
ammonia aqueous solution
glucose
C₆H₁₂O₆
sucrose
C₁₂H₂₂O₁₁
graphene balls
FIG. 3 shows scanning electron microscope (SEM) images of graphene balls prepared according to the presence or absence of ammonia water and the concentration …
FIG. 4 is a graph showing the capacitance change according to the current density of the prepared graphene balls.
| — |
Duration | 40–90 minutes | — |
Duration | 5–30 minutes | — |
Duration | 6–48 hours | — |
Duration | 12–36 hours | — |
Temperature | 200–400 °C | — |
Duration | 1–3 hours | — |
Duration | 1800–7200 s | — |
Temperature | 80–100 °C | — |
Temperature | 150–250 °C | — |
Temperature | 50–70 °C | — |
Duration | 12–48 hours | — |