Patent
US 11,014,817GRAPHENE METAL NANOPARTICLE-COMPOSITE
Tae Young KIM
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 11,014,817Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a perspective view schematically illustrating an example of a reactor which can be applied to a method of preparing a graphene metal …
FIG. 2 is a cross-sectional view schematically illustrating an example of the reactor which can be applied to a method of preparing a graphene metal …
FIG. 3 schematically illustrates a manufacturing apparatus which can be applied to a method of preparing a graphene metal nanoparticle-composite in accordance …
FIG. 4 shows a TEM image of graphene prepared in accordance with an example of the present disclosure. [0018]
FIG. 5 shows copper nanoparticles prepared in accordance with an example of the present disclosure and a TEM image thereof. [0019]
FIG. 6 shows a TEM image of a graphene copper nanoparticle-composite prepared in accordance with an example of the present disclosure. [0020]
FIG. 7 shows a TEM image of copper nanoparticles prepared in accordance with Comparative Example 1.
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 preparing a graphene metal nanoparticle-composite, comprising: preparing graphene by applying a shearing force to a first solution containing a graphite- based material and thus exfoliating the graphite-based material, the shearing force to the first solution generated by a rotating flow generated by rotating a first fluid including the first solution; preparing metal nanoparticles by applying a shearing force to a second solution containing a metal precursor, a capping agent, and a reducing agent, the shearing force to the second solution generated by a rotating flow generated by rotating a second fluid including the second solution; and physically combining the metal nanoparticles on the graphene by applying a shearing force to a third solution containing the graphene and the metal nanoparticles, the metal nanoparticles uniforml y distributed on the graphene, the shearing force to the third solution generated by a rotating flow generated by rotating a third fluid including the third solution, and the first fluid, second fluid, and the third fluid being different, wherein the capping agent is selected from polyvinylpyrrolidone (PVP), polyvinyl alcohol (PVA), polyaniline, polypyrrole, cetyltrimethyl ammonium bromide (CTAB), and combinations thereof, wherein the rotating of the first fluid, the rotating of the second fluid, and the rotating of third fluid each includes, respectively, the respective fluids being stored in a reaction space of a reactor, the reactor including an inner body extended in a horizontal direction and a cylindrical outer body which surrounds the inner body as being spaced from the inner body and forms the reaction space therein, and the rotating flow of the respective fluid being generated via rotation of the inner body. Currently amended
The method of preparing a graphene metal nanoparticle- composite of claim 1, wherein a rotation speed of the inner body is 1,000 rpm or more for each of the first fluid, the second fluid, and the third fluid. Previously presented
The method of preparing a graphene metal nanoparticle-composite of claim 1, wherein a solvent of the first solution is selected from NMP(N-methyl-2-pyrolidone), DMF(N,N-dimethylformamide), and combinations thereof, a solvent of the second solution is selected from ethylene glycol, propylene glycol, diethylene glycol, triethylene glycol, glycerine, and combinations thereof, and a solvent of the third solution is selected from combinations of the solvent of the first solution and the solvent of the second solution. Original
The method of preparing a graphene metal nanoparticle- composite of claim 1, wherein the metal precursor is selected from metal hydroxide, metal nitrate, metal sulfate, metal acetate, metal phosphate, metal silicate, metal hydrochloride, and combinations thereof. Previously presented
Canceled nanoparticle-composite of claim 1, wherein the KBH4, hydrazine, NaOH, and combinations nanoparticle-composite of claim 1, wherein the of from 10 nm to 25 nm. Original
Canceled
Canceled
Canceled
The method of preparing a graphene metal reducing agent is selected from NaBH4, LiBH4, thereof. Original
The method of preparing a graphene metal metal nanoparticles include those having a diameter
Materials described outside the worked examples.
graphene
graphite-based material
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4 shows a TEM image of graphene prepared in accordance with an example of the present disclosure. [0018]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
metal nanoparticle diameter | 10–25 nm | metal nanoparticles |
Thickness | 10–15 nm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,014,817Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a perspective view schematically illustrating an example of a reactor which can be applied to a method of preparing a graphene metal …
FIG. 2 is a cross-sectional view schematically illustrating an example of the reactor which can be applied to a method of preparing a graphene metal …
FIG. 3 schematically illustrates a manufacturing apparatus which can be applied to a method of preparing a graphene metal nanoparticle-composite in accordance …
FIG. 4 shows a TEM image of graphene prepared in accordance with an example of the present disclosure. [0018]
FIG. 5 shows copper nanoparticles prepared in accordance with an example of the present disclosure and a TEM image thereof. [0019]
FIG. 6 shows a TEM image of a graphene copper nanoparticle-composite prepared in accordance with an example of the present disclosure. [0020]
FIG. 7 shows a TEM image of copper nanoparticles prepared in accordance with Comparative Example 1.
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 preparing a graphene metal nanoparticle-composite, comprising: preparing graphene by applying a shearing force to a first solution containing a graphite- based material and thus exfoliating the graphite-based material, the shearing force to the first solution generated by a rotating flow generated by rotating a first fluid including the first solution; preparing metal nanoparticles by applying a shearing force to a second solution containing a metal precursor, a capping agent, and a reducing agent, the shearing force to the second solution generated by a rotating flow generated by rotating a second fluid including the second solution; and physically combining the metal nanoparticles on the graphene by applying a shearing force to a third solution containing the graphene and the metal nanoparticles, the metal nanoparticles uniforml y distributed on the graphene, the shearing force to the third solution generated by a rotating flow generated by rotating a third fluid including the third solution, and the first fluid, second fluid, and the third fluid being different, wherein the capping agent is selected from polyvinylpyrrolidone (PVP), polyvinyl alcohol (PVA), polyaniline, polypyrrole, cetyltrimethyl ammonium bromide (CTAB), and combinations thereof, wherein the rotating of the first fluid, the rotating of the second fluid, and the rotating of third fluid each includes, respectively, the respective fluids being stored in a reaction space of a reactor, the reactor including an inner body extended in a horizontal direction and a cylindrical outer body which surrounds the inner body as being spaced from the inner body and forms the reaction space therein, and the rotating flow of the respective fluid being generated via rotation of the inner body. Currently amended
The method of preparing a graphene metal nanoparticle- composite of claim 1, wherein a rotation speed of the inner body is 1,000 rpm or more for each of the first fluid, the second fluid, and the third fluid. Previously presented
The method of preparing a graphene metal nanoparticle-composite of claim 1, wherein a solvent of the first solution is selected from NMP(N-methyl-2-pyrolidone), DMF(N,N-dimethylformamide), and combinations thereof, a solvent of the second solution is selected from ethylene glycol, propylene glycol, diethylene glycol, triethylene glycol, glycerine, and combinations thereof, and a solvent of the third solution is selected from combinations of the solvent of the first solution and the solvent of the second solution. Original
The method of preparing a graphene metal nanoparticle- composite of claim 1, wherein the metal precursor is selected from metal hydroxide, metal nitrate, metal sulfate, metal acetate, metal phosphate, metal silicate, metal hydrochloride, and combinations thereof. Previously presented
Canceled nanoparticle-composite of claim 1, wherein the KBH4, hydrazine, NaOH, and combinations nanoparticle-composite of claim 1, wherein the of from 10 nm to 25 nm. Original
Canceled
Canceled
Canceled
The method of preparing a graphene metal reducing agent is selected from NaBH4, LiBH4, thereof. Original
The method of preparing a graphene metal metal nanoparticles include those having a diameter
Materials described outside the worked examples.
graphene
graphite-based material
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4 shows a TEM image of graphene prepared in accordance with an example of the present disclosure. [0018]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
metal nanoparticle diameter | 10–25 nm | metal nanoparticles |
Thickness | 10–15 nm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,014,817Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a perspective view schematically illustrating an example of a reactor which can be applied to a method of preparing a graphene metal …
FIG. 2 is a cross-sectional view schematically illustrating an example of the reactor which can be applied to a method of preparing a graphene metal …
FIG. 3 schematically illustrates a manufacturing apparatus which can be applied to a method of preparing a graphene metal nanoparticle-composite in accordance …
FIG. 4 shows a TEM image of graphene prepared in accordance with an example of the present disclosure. [0018]
FIG. 5 shows copper nanoparticles prepared in accordance with an example of the present disclosure and a TEM image thereof. [0019]
FIG. 6 shows a TEM image of a graphene copper nanoparticle-composite prepared in accordance with an example of the present disclosure. [0020]
FIG. 7 shows a TEM image of copper nanoparticles prepared in accordance with Comparative Example 1.
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 preparing a graphene metal nanoparticle-composite, comprising: preparing graphene by applying a shearing force to a first solution containing a graphite- based material and thus exfoliating the graphite-based material, the shearing force to the first solution generated by a rotating flow generated by rotating a first fluid including the first solution; preparing metal nanoparticles by applying a shearing force to a second solution containing a metal precursor, a capping agent, and a reducing agent, the shearing force to the second solution generated by a rotating flow generated by rotating a second fluid including the second solution; and physically combining the metal nanoparticles on the graphene by applying a shearing force to a third solution containing the graphene and the metal nanoparticles, the metal nanoparticles uniforml y distributed on the graphene, the shearing force to the third solution generated by a rotating flow generated by rotating a third fluid including the third solution, and the first fluid, second fluid, and the third fluid being different, wherein the capping agent is selected from polyvinylpyrrolidone (PVP), polyvinyl alcohol (PVA), polyaniline, polypyrrole, cetyltrimethyl ammonium bromide (CTAB), and combinations thereof, wherein the rotating of the first fluid, the rotating of the second fluid, and the rotating of third fluid each includes, respectively, the respective fluids being stored in a reaction space of a reactor, the reactor including an inner body extended in a horizontal direction and a cylindrical outer body which surrounds the inner body as being spaced from the inner body and forms the reaction space therein, and the rotating flow of the respective fluid being generated via rotation of the inner body. Currently amended
The method of preparing a graphene metal nanoparticle- composite of claim 1, wherein a rotation speed of the inner body is 1,000 rpm or more for each of the first fluid, the second fluid, and the third fluid. Previously presented
The method of preparing a graphene metal nanoparticle-composite of claim 1, wherein a solvent of the first solution is selected from NMP(N-methyl-2-pyrolidone), DMF(N,N-dimethylformamide), and combinations thereof, a solvent of the second solution is selected from ethylene glycol, propylene glycol, diethylene glycol, triethylene glycol, glycerine, and combinations thereof, and a solvent of the third solution is selected from combinations of the solvent of the first solution and the solvent of the second solution. Original
The method of preparing a graphene metal nanoparticle- composite of claim 1, wherein the metal precursor is selected from metal hydroxide, metal nitrate, metal sulfate, metal acetate, metal phosphate, metal silicate, metal hydrochloride, and combinations thereof. Previously presented
Canceled nanoparticle-composite of claim 1, wherein the KBH4, hydrazine, NaOH, and combinations nanoparticle-composite of claim 1, wherein the of from 10 nm to 25 nm. Original
Canceled
Canceled
Canceled
The method of preparing a graphene metal reducing agent is selected from NaBH4, LiBH4, thereof. Original
The method of preparing a graphene metal metal nanoparticles include those having a diameter
Materials described outside the worked examples.
graphene
graphite-based material
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4 shows a TEM image of graphene prepared in accordance with an example of the present disclosure. [0018]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
metal nanoparticle diameter | 10–25 nm | metal nanoparticles |
Thickness | 10–15 nm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,014,817Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a perspective view schematically illustrating an example of a reactor which can be applied to a method of preparing a graphene metal …
FIG. 2 is a cross-sectional view schematically illustrating an example of the reactor which can be applied to a method of preparing a graphene metal …
FIG. 3 schematically illustrates a manufacturing apparatus which can be applied to a method of preparing a graphene metal nanoparticle-composite in accordance …
FIG. 4 shows a TEM image of graphene prepared in accordance with an example of the present disclosure. [0018]
FIG. 5 shows copper nanoparticles prepared in accordance with an example of the present disclosure and a TEM image thereof. [0019]
FIG. 6 shows a TEM image of a graphene copper nanoparticle-composite prepared in accordance with an example of the present disclosure. [0020]
FIG. 7 shows a TEM image of copper nanoparticles prepared in accordance with Comparative Example 1.
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 preparing a graphene metal nanoparticle-composite, comprising: preparing graphene by applying a shearing force to a first solution containing a graphite- based material and thus exfoliating the graphite-based material, the shearing force to the first solution generated by a rotating flow generated by rotating a first fluid including the first solution; preparing metal nanoparticles by applying a shearing force to a second solution containing a metal precursor, a capping agent, and a reducing agent, the shearing force to the second solution generated by a rotating flow generated by rotating a second fluid including the second solution; and physically combining the metal nanoparticles on the graphene by applying a shearing force to a third solution containing the graphene and the metal nanoparticles, the metal nanoparticles uniforml y distributed on the graphene, the shearing force to the third solution generated by a rotating flow generated by rotating a third fluid including the third solution, and the first fluid, second fluid, and the third fluid being different, wherein the capping agent is selected from polyvinylpyrrolidone (PVP), polyvinyl alcohol (PVA), polyaniline, polypyrrole, cetyltrimethyl ammonium bromide (CTAB), and combinations thereof, wherein the rotating of the first fluid, the rotating of the second fluid, and the rotating of third fluid each includes, respectively, the respective fluids being stored in a reaction space of a reactor, the reactor including an inner body extended in a horizontal direction and a cylindrical outer body which surrounds the inner body as being spaced from the inner body and forms the reaction space therein, and the rotating flow of the respective fluid being generated via rotation of the inner body. Currently amended
The method of preparing a graphene metal nanoparticle- composite of claim 1, wherein a rotation speed of the inner body is 1,000 rpm or more for each of the first fluid, the second fluid, and the third fluid. Previously presented
The method of preparing a graphene metal nanoparticle-composite of claim 1, wherein a solvent of the first solution is selected from NMP(N-methyl-2-pyrolidone), DMF(N,N-dimethylformamide), and combinations thereof, a solvent of the second solution is selected from ethylene glycol, propylene glycol, diethylene glycol, triethylene glycol, glycerine, and combinations thereof, and a solvent of the third solution is selected from combinations of the solvent of the first solution and the solvent of the second solution. Original
The method of preparing a graphene metal nanoparticle- composite of claim 1, wherein the metal precursor is selected from metal hydroxide, metal nitrate, metal sulfate, metal acetate, metal phosphate, metal silicate, metal hydrochloride, and combinations thereof. Previously presented
Canceled nanoparticle-composite of claim 1, wherein the KBH4, hydrazine, NaOH, and combinations nanoparticle-composite of claim 1, wherein the of from 10 nm to 25 nm. Original
Canceled
Canceled
Canceled
The method of preparing a graphene metal reducing agent is selected from NaBH4, LiBH4, thereof. Original
The method of preparing a graphene metal metal nanoparticles include those having a diameter
Materials described outside the worked examples.
graphene
graphite-based material
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4 shows a TEM image of graphene prepared in accordance with an example of the present disclosure. [0018]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
metal nanoparticle diameter | 10–25 nm | metal nanoparticles |
Thickness | 10–15 nm |
Related documents with shared materials, methods, properties, or citations.
metal nanoparticles
metal precursor
polyvinylpyrrolidone (PVP)
polyvinyl alcohol (PVA)
polyaniline
cetyltrimethyl ammonium bromide (CTAB)
NMP (N-methyl-2-pyrolidone)
DMF (N,N-dimethylformamide)
ethylene glycol
propylene glycol
diethylene glycol
triethylene glycol
glycerine
metal precursor (hydroxide, nitrate, sulfate, acetate, phosphate, silicate, hydrochloride)
reducing agent (NaBH4, LiBH4, KBH4, hydrazine, NaOH)
graphene metal nanoparticle-composite
non-intumescent graphite
compressed intumescent graphite
Cu(NO₃)2
CuCl₂
CuSO₄
Cu(OH)2
Cu(CH₃COO)2
polypyrrole
FIG. 5 shows copper nanoparticles prepared in accordance with an example of the present disclosure and a TEM image thereof. [0019]
FIG. 6 shows a TEM image of a graphene copper nanoparticle-composite prepared in accordance with an example of the present disclosure. [0020]
FIG. 7 shows a TEM image of copper nanoparticles prepared in accordance with Comparative Example 1.
| — |
metal nanoparticles
metal precursor
polyvinylpyrrolidone (PVP)
polyvinyl alcohol (PVA)
polyaniline
cetyltrimethyl ammonium bromide (CTAB)
NMP (N-methyl-2-pyrolidone)
DMF (N,N-dimethylformamide)
ethylene glycol
propylene glycol
diethylene glycol
triethylene glycol
glycerine
metal precursor (hydroxide, nitrate, sulfate, acetate, phosphate, silicate, hydrochloride)
reducing agent (NaBH4, LiBH4, KBH4, hydrazine, NaOH)
graphene metal nanoparticle-composite
non-intumescent graphite
compressed intumescent graphite
Cu(NO₃)2
CuCl₂
CuSO₄
Cu(OH)2
Cu(CH₃COO)2
polypyrrole
FIG. 5 shows copper nanoparticles prepared in accordance with an example of the present disclosure and a TEM image thereof. [0019]
FIG. 6 shows a TEM image of a graphene copper nanoparticle-composite prepared in accordance with an example of the present disclosure. [0020]
FIG. 7 shows a TEM image of copper nanoparticles prepared in accordance with Comparative Example 1.
| — |
metal nanoparticles
metal precursor
polyvinylpyrrolidone (PVP)
polyvinyl alcohol (PVA)
polyaniline
cetyltrimethyl ammonium bromide (CTAB)
NMP (N-methyl-2-pyrolidone)
DMF (N,N-dimethylformamide)
ethylene glycol
propylene glycol
diethylene glycol
triethylene glycol
glycerine
metal precursor (hydroxide, nitrate, sulfate, acetate, phosphate, silicate, hydrochloride)
reducing agent (NaBH4, LiBH4, KBH4, hydrazine, NaOH)
graphene metal nanoparticle-composite
non-intumescent graphite
compressed intumescent graphite
Cu(NO₃)2
CuCl₂
CuSO₄
Cu(OH)2
Cu(CH₃COO)2
polypyrrole
FIG. 5 shows copper nanoparticles prepared in accordance with an example of the present disclosure and a TEM image thereof. [0019]
FIG. 6 shows a TEM image of a graphene copper nanoparticle-composite prepared in accordance with an example of the present disclosure. [0020]
FIG. 7 shows a TEM image of copper nanoparticles prepared in accordance with Comparative Example 1.
| — |
metal nanoparticles
metal precursor
polyvinylpyrrolidone (PVP)
polyvinyl alcohol (PVA)
polyaniline
cetyltrimethyl ammonium bromide (CTAB)
NMP (N-methyl-2-pyrolidone)
DMF (N,N-dimethylformamide)
ethylene glycol
propylene glycol
diethylene glycol
triethylene glycol
glycerine
metal precursor (hydroxide, nitrate, sulfate, acetate, phosphate, silicate, hydrochloride)
reducing agent (NaBH4, LiBH4, KBH4, hydrazine, NaOH)
graphene metal nanoparticle-composite
non-intumescent graphite
compressed intumescent graphite
Cu(NO₃)2
CuCl₂
CuSO₄
Cu(OH)2
Cu(CH₃COO)2
polypyrrole
FIG. 5 shows copper nanoparticles prepared in accordance with an example of the present disclosure and a TEM image thereof. [0019]
FIG. 6 shows a TEM image of a graphene copper nanoparticle-composite prepared in accordance with an example of the present disclosure. [0020]
FIG. 7 shows a TEM image of copper nanoparticles prepared in accordance with Comparative Example 1.
| — |