Patent
US 9,944,530GRAPHENE PLATELET FABRICATION METHOD AND GRAPHENE PLATELET FABRICATED THEREBY
I-Chiao LIN
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,944,530Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene platelet fabrication method comprising the steps of: Step (A): providing a liquid mixed with a highly-graphitized graphene having a graphitization degree of 0.8-1.0; and Step (B): passing the liquid through a circulation system containing a nozzle to make the liquid act on a surface or a lateral of the highly-graphitized graphene to provide a wet-type shear force acting on the highly-graphitized graphene to separate the highly-graphitized graphene into graphene platelets by a liquid action force opposite to the movement direction of the graphene platelets, wherein the highly-graphitized graphene is passed through elbows to make the liquid action force act on the lateral of the highly-graphitized graphene and separate the highly- graphitized graphene into the graphene platelets, and wherein the graphene platelets have a length of 10-500 p m and a width of 10-500 gm and have a single-layer or multi-layer structure. Currently amended
The graphene platelet fabrication method according to claim 1, wherein the multi-layer structure of the graphene platelets has 2-50 layers of graphene planes. Original
The graphene platelet fabrication method according to claim 1, wherein the wet-type shear force is greater than a bonding force of the graphene platelets. Previously presented
The graphene platelet fabrication method according to claim 1, wherein the liquid is selected from a group consisting of water, NMP (N-Methyl Pyrrolidone), surfactants, salt solutions, and combinations thereof. Previously presented
The graphene platelet fabrication method according to claim 1, wherein the highly-graphitized graphene has a concentration of 0.5- 50 wt% in the liquid. Previously presented
The graphene platelet fabrication method according to claim 1, wherein the highly-graphitized graphene is circulated in the circulation system for 1-900 cycles. Previously presented
The graphene platelet fabrication method according to claim 1, wherein the circulation system applies the wet-type shear force of 1-500 MPa to the highly- graphitized graphene. Previously presented
The graphene platelet fabrication method according to claim 1, further comprising Step (A l): undertaking a pre-treatment on the highly-graphitized graphene before Step (A) to swell the highly-graphitized graphene. Previously presented
A graphene platelet fabricated according to claim 1, wherein the graphene platelet has a length of 10-500 m and a width of 10-500 m and has a single-layer structure or a multi-layer
Canceled
5-8. Canceled
Canceled
Canceled
The graphene platelet fabrication method according to claim 61, wherein the elbows have an angle of 30-150 degrees. Currently amended
The graphene platelet fabrication method according to claim 12, wherein the pre-treatment is selected from a group consisting of an explosion method, a chemical exfoliation method, an ultrasonic method, a ball milling method, and combinations thereof. Previously presented
The graphene platelet fabrication method according to claim- 8 1, wherein the liquid has a temperature of 25-1 00°C. Currently amended
Materials described outside the worked examples.
highly-graphitized graphene
graphene platelet
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene platelet length | 10–500 μm | graphene platelet |
graphene platelet width | 10–500 μm |
Patent
Atlas literature
Patent
US 9,944,530Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene platelet fabrication method comprising the steps of: Step (A): providing a liquid mixed with a highly-graphitized graphene having a graphitization degree of 0.8-1.0; and Step (B): passing the liquid through a circulation system containing a nozzle to make the liquid act on a surface or a lateral of the highly-graphitized graphene to provide a wet-type shear force acting on the highly-graphitized graphene to separate the highly-graphitized graphene into graphene platelets by a liquid action force opposite to the movement direction of the graphene platelets, wherein the highly-graphitized graphene is passed through elbows to make the liquid action force act on the lateral of the highly-graphitized graphene and separate the highly- graphitized graphene into the graphene platelets, and wherein the graphene platelets have a length of 10-500 p m and a width of 10-500 gm and have a single-layer or multi-layer structure. Currently amended
The graphene platelet fabrication method according to claim 1, wherein the multi-layer structure of the graphene platelets has 2-50 layers of graphene planes. Original
The graphene platelet fabrication method according to claim 1, wherein the wet-type shear force is greater than a bonding force of the graphene platelets. Previously presented
The graphene platelet fabrication method according to claim 1, wherein the liquid is selected from a group consisting of water, NMP (N-Methyl Pyrrolidone), surfactants, salt solutions, and combinations thereof. Previously presented
The graphene platelet fabrication method according to claim 1, wherein the highly-graphitized graphene has a concentration of 0.5- 50 wt% in the liquid. Previously presented
The graphene platelet fabrication method according to claim 1, wherein the highly-graphitized graphene is circulated in the circulation system for 1-900 cycles. Previously presented
The graphene platelet fabrication method according to claim 1, wherein the circulation system applies the wet-type shear force of 1-500 MPa to the highly- graphitized graphene. Previously presented
The graphene platelet fabrication method according to claim 1, further comprising Step (A l): undertaking a pre-treatment on the highly-graphitized graphene before Step (A) to swell the highly-graphitized graphene. Previously presented
A graphene platelet fabricated according to claim 1, wherein the graphene platelet has a length of 10-500 m and a width of 10-500 m and has a single-layer structure or a multi-layer
Canceled
5-8. Canceled
Canceled
Canceled
The graphene platelet fabrication method according to claim 61, wherein the elbows have an angle of 30-150 degrees. Currently amended
The graphene platelet fabrication method according to claim 12, wherein the pre-treatment is selected from a group consisting of an explosion method, a chemical exfoliation method, an ultrasonic method, a ball milling method, and combinations thereof. Previously presented
The graphene platelet fabrication method according to claim- 8 1, wherein the liquid has a temperature of 25-1 00°C. Currently amended
Materials described outside the worked examples.
highly-graphitized graphene
graphene platelet
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene platelet length | 10–500 μm | graphene platelet |
graphene platelet width | 10–500 μm |
Patent
Atlas literature
Patent
US 9,944,530Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene platelet fabrication method comprising the steps of: Step (A): providing a liquid mixed with a highly-graphitized graphene having a graphitization degree of 0.8-1.0; and Step (B): passing the liquid through a circulation system containing a nozzle to make the liquid act on a surface or a lateral of the highly-graphitized graphene to provide a wet-type shear force acting on the highly-graphitized graphene to separate the highly-graphitized graphene into graphene platelets by a liquid action force opposite to the movement direction of the graphene platelets, wherein the highly-graphitized graphene is passed through elbows to make the liquid action force act on the lateral of the highly-graphitized graphene and separate the highly- graphitized graphene into the graphene platelets, and wherein the graphene platelets have a length of 10-500 p m and a width of 10-500 gm and have a single-layer or multi-layer structure. Currently amended
The graphene platelet fabrication method according to claim 1, wherein the multi-layer structure of the graphene platelets has 2-50 layers of graphene planes. Original
The graphene platelet fabrication method according to claim 1, wherein the wet-type shear force is greater than a bonding force of the graphene platelets. Previously presented
The graphene platelet fabrication method according to claim 1, wherein the liquid is selected from a group consisting of water, NMP (N-Methyl Pyrrolidone), surfactants, salt solutions, and combinations thereof. Previously presented
The graphene platelet fabrication method according to claim 1, wherein the highly-graphitized graphene has a concentration of 0.5- 50 wt% in the liquid. Previously presented
The graphene platelet fabrication method according to claim 1, wherein the highly-graphitized graphene is circulated in the circulation system for 1-900 cycles. Previously presented
The graphene platelet fabrication method according to claim 1, wherein the circulation system applies the wet-type shear force of 1-500 MPa to the highly- graphitized graphene. Previously presented
The graphene platelet fabrication method according to claim 1, further comprising Step (A l): undertaking a pre-treatment on the highly-graphitized graphene before Step (A) to swell the highly-graphitized graphene. Previously presented
A graphene platelet fabricated according to claim 1, wherein the graphene platelet has a length of 10-500 m and a width of 10-500 m and has a single-layer structure or a multi-layer
Canceled
5-8. Canceled
Canceled
Canceled
The graphene platelet fabrication method according to claim 61, wherein the elbows have an angle of 30-150 degrees. Currently amended
The graphene platelet fabrication method according to claim 12, wherein the pre-treatment is selected from a group consisting of an explosion method, a chemical exfoliation method, an ultrasonic method, a ball milling method, and combinations thereof. Previously presented
The graphene platelet fabrication method according to claim- 8 1, wherein the liquid has a temperature of 25-1 00°C. Currently amended
Materials described outside the worked examples.
highly-graphitized graphene
graphene platelet
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene platelet length | 10–500 μm | graphene platelet |
graphene platelet width | 10–500 μm |
Patent
Atlas literature
Patent
US 9,944,530Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene platelet fabrication method comprising the steps of: Step (A): providing a liquid mixed with a highly-graphitized graphene having a graphitization degree of 0.8-1.0; and Step (B): passing the liquid through a circulation system containing a nozzle to make the liquid act on a surface or a lateral of the highly-graphitized graphene to provide a wet-type shear force acting on the highly-graphitized graphene to separate the highly-graphitized graphene into graphene platelets by a liquid action force opposite to the movement direction of the graphene platelets, wherein the highly-graphitized graphene is passed through elbows to make the liquid action force act on the lateral of the highly-graphitized graphene and separate the highly- graphitized graphene into the graphene platelets, and wherein the graphene platelets have a length of 10-500 p m and a width of 10-500 gm and have a single-layer or multi-layer structure. Currently amended
The graphene platelet fabrication method according to claim 1, wherein the multi-layer structure of the graphene platelets has 2-50 layers of graphene planes. Original
The graphene platelet fabrication method according to claim 1, wherein the wet-type shear force is greater than a bonding force of the graphene platelets. Previously presented
The graphene platelet fabrication method according to claim 1, wherein the liquid is selected from a group consisting of water, NMP (N-Methyl Pyrrolidone), surfactants, salt solutions, and combinations thereof. Previously presented
The graphene platelet fabrication method according to claim 1, wherein the highly-graphitized graphene has a concentration of 0.5- 50 wt% in the liquid. Previously presented
The graphene platelet fabrication method according to claim 1, wherein the highly-graphitized graphene is circulated in the circulation system for 1-900 cycles. Previously presented
The graphene platelet fabrication method according to claim 1, wherein the circulation system applies the wet-type shear force of 1-500 MPa to the highly- graphitized graphene. Previously presented
The graphene platelet fabrication method according to claim 1, further comprising Step (A l): undertaking a pre-treatment on the highly-graphitized graphene before Step (A) to swell the highly-graphitized graphene. Previously presented
A graphene platelet fabricated according to claim 1, wherein the graphene platelet has a length of 10-500 m and a width of 10-500 m and has a single-layer structure or a multi-layer
Canceled
5-8. Canceled
Canceled
Canceled
The graphene platelet fabrication method according to claim 61, wherein the elbows have an angle of 30-150 degrees. Currently amended
The graphene platelet fabrication method according to claim 12, wherein the pre-treatment is selected from a group consisting of an explosion method, a chemical exfoliation method, an ultrasonic method, a ball milling method, and combinations thereof. Previously presented
The graphene platelet fabrication method according to claim- 8 1, wherein the liquid has a temperature of 25-1 00°C. Currently amended
Materials described outside the worked examples.
highly-graphitized graphene
graphene platelet
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene platelet length | 10–500 μm | graphene platelet |
graphene platelet width | 10–500 μm |
NMP (N-Methyl Pyrrolidone)
C₅H₉NO
water
H₂O
graphene platelet layer count (multi-layer) | 2–50 layers | graphene platelet |
graphitization degree of starting graphene | 0.8–1 | highly-graphitized graphene |
Pressure | 1–500 MPa | — |
Pressure | 10–500 MPa | — |
NMP (N-Methyl Pyrrolidone)
C₅H₉NO
water
H₂O
graphene platelet layer count (multi-layer) | 2–50 layers | graphene platelet |
graphitization degree of starting graphene | 0.8–1 | highly-graphitized graphene |
Pressure | 1–500 MPa | — |
Pressure | 10–500 MPa | — |
NMP (N-Methyl Pyrrolidone)
C₅H₉NO
water
H₂O
graphene platelet layer count (multi-layer) | 2–50 layers | graphene platelet |
graphitization degree of starting graphene | 0.8–1 | highly-graphitized graphene |
Pressure | 1–500 MPa | — |
Pressure | 10–500 MPa | — |
NMP (N-Methyl Pyrrolidone)
C₅H₉NO
water
H₂O
graphene platelet layer count (multi-layer) | 2–50 layers | graphene platelet |
graphitization degree of starting graphene | 0.8–1 | highly-graphitized graphene |
Pressure | 1–500 MPa | — |
Pressure | 10–500 MPa | — |