Patent
US 9,233,850Nano-scaled Graphene Plate Films and Articles
Bor Z. Jang, Aruna Zhamu, Jiusheng Guo
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,233,850Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG.1 A flow chart illustrating various prior art processes of producing exfoliated graphite products (flexible graphite and composites) and presently invented …
FIG.2 (a) Schematic of NGP structures in comparison with CNT structures; (b) Atomic force microscopic image of selected NGPs.
FIG.3 (a) A SEM image of a graphite worm sample after exfoliation of graphite intercalation compounds (GICs); (b) Schematic of the exfoliated graphite flakes in …
FIG.4 Schematic of a non-woven, close-packed aggregate of separated EGFs or NGPs obtained by dispersing the EGFs or NGPs in a liquid medium to a relatively …
FIG.5 In-plane thermal conductivity values of a non-woven mat of expanded, separated graphite flakes or NGPs (data denoted by a solid diamond, *), a phenolic …
FIG.6 In-plane electrical conductivity values of a non-woven mat of expanded, separated 6 graphite flakes or NGPs (data denoted by a solid diamond, f), a …
FIG.7 (A) Schematic of a vacuum-assisted flake assembly apparatus for forming a non-woven, close-packed structure of NGP platelets; (B) Slurry spraying and …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A nano-scaled graphene article comprising a compressed, close packed, non-woven aggregate of nano-scaled graphene platelets wherein each of the platelets SVG 11784606.08-22-2012.H₆₆SHOBXPXXIFW3.CLM.2.svg 0.16 6.16 Black and white greater than 100 nm, and wherein platelets contact other platelets to define a plurality of conductive pathways along the article.
The nano-scaled graphene article as defined in claim 1 wherein said article has a thickness smaller than 50 g m and the platelets have a thickness smaller than 10 nm.
The nano-scaled graphene article as defined in claim 1 wherein said article has a thickness smaller than 1 g m and the platelets have a thickness smaller than 10 nm.
The nano-scaled graphene article as defined in claim 1 wherein said article has a thickness smaller than 100 nm.
The nano-scaled graphene article as defined in claim 1 wherein said article has a thermal conductivity greater than 1,000 Wm -K⁻¹.
The nano-scaled graphene article as defined in claim 1 wherein said article has a thermal conductivity greater than 1,500 Wm -K⁻¹.
The nano-scaled graphene article as defined in claim 1 wherein said article has an electrical conductivity greater than 3,000 S/cm.
The nano-scaled graphene article as defined in claim 1 wherein said article has an electrical conductivity greater than 3,000 S/cm and a thermal conductivity greater than 1,000 Wm-IK⁻¹.
The nano-scaled graphene article as defined in claim 1 further comprising a desired amount of a nano-scaled filler, having at least one dimension smaller than 100 nm, selected from the group consisting of a carbon nanotube, carbon nano fiber, carbon black, metal nano-powder, and combinations thereof, wherein said amount is no less than 0.1 0% by weight based on the total weight of said nano-scaled filler and the nano-scaled graphene platelets.
The nano-scaled graphene article as defined in claim 1 wherein the platelets are over-lapping.
The nano-scaled graphene article of claim 1 wherein, when the article contains a matrix or binder material, the compressed aggregate is infiltrated or impregnated by the matrix or binder material.
The nano-scaled graphene article of claim 1 wherein the aggregate is a thin film having a thickness no greater than 100 u m or paper.
The nano-scaled graphene article as defined in claim 1 wherein the aggregate is formed by dispersing separated platelets in a liquid medium and re-assembling the platelets in a layer by removing the liquid medium.
canceled
-2- Application. No.: 11/784,606 Attorney Docket No. 075213-00029 AMENDMENT canceled
canceled
The nano-scaled graphene article as defined in claim 28 wherein the article further comprises a matrix or binder material that impregnates or infiltrates said article to form a composite article, wherein said binder or matrix material is selected from a carbon, graphite, metal, glass, or ceramic material.
The nano-scaled graphene article as defined in claim 14 wherein said composite article has an electrical conductivity greater than 200 S/cm or a thermal conductivity greater than 300 Wm-K⁻¹.
The nano-scaled graphene article as defined in claim 14 wherein said composite article has an electrical conductivity greater than 300 S/cm or a thermal conductivity greater than 500 Wm IK-.
The nano-scaled graphene article of claim 14 wherein the weight fraction of the platelets is not less than 75 %.
(Previously Amended) A nano-scaled graphene platelet-containing article comprising a compressed, close packed, non-woven aggregate of nano-scaled graphene platelets to form an electrical network of platelets in contact with other platelets to define a plurality of conductive pathways along the article wherein the article has an electrical conductivity no less than 200 S/cm or a thermal conductivity no less than 400 Wm -K⁻¹.
The nano-scaled graphene article of claim 20 wherein the article has an electrical conductivity no less than 1,000 S/cm or a thermal conductivity no less than 500 Wm -K⁻¹.
The nano-scaled graphene article as defined in claim 20 further comprising a matrix or binder material that impregnates or infiltrates said article to form a composite article.
The nano-scaled graphene article as defined in claim 20 further comprising a desired amount of a nano-scaled filler selected from the group consisting of a carbon nanotube, carbon nano fiber, carbon black, metal nano-powder, and combinations thereof wherein said amount is no less than 0.1 0% by weight based on the total weight of said nano-scaled filler and the nano-scaled graphene platelets.
The nano-scaled graphene article of claim 20 wherein the weight fraction of the platelets is not less than 75 %.
The nano-scaled graphene article of claim 20 wherein, when the article contains a matrix or binder material, the matrix or binder material infiltrates or impregnates the compressed aggregate.
The nano-scaled graphene article of claim 20 wherein the aggregate is a thin film having a thickness no greater than 100 u m or paper.
A nano-scaled graphene article comprising a compressed, close packed, non-woven aggregate of nano-scaled graphene platelets wherein the aggregate is formed by dispersing nano-scaled graphene platelets in a liquid medium and re-assembling the platelets in a layer by removing the liquid medium, each of the platelets comprises a graphene sheet er SVG 11784606.08-22-2012.H₆₆SHOBXPXXIFW3.CLM.3.svg 0.16 6.45 Black and white the compressed aggregate may- be is infiltrated by a binder or matrix material, and the aggregate may additionally include a filler, and wherein the weight fraction of the platelets is not less than 75%. -6-
Layer stacks claimed or described, ordered top of device to substrate.
nano-scaled graphene platelet thin-film article
nano-scaled graphene platelet composite article
Materials described outside the worked examples.
nano-scaled graphene platelets
nano-scaled filler
Measurements and analyses referenced in the patent, with their drawing references.
FIG.2 (a) Schematic of NGP structures in comparison with CNT structures; (b) Atomic force microscopic image of selected NGPs.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thermal Conductivity | ≥ 1000 W m-1 K⁻¹ | nano-scaled graphene platelets |
Thermal Conductivity | ≥ 1500 W m-1 K⁻¹ |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,233,850Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG.1 A flow chart illustrating various prior art processes of producing exfoliated graphite products (flexible graphite and composites) and presently invented …
FIG.2 (a) Schematic of NGP structures in comparison with CNT structures; (b) Atomic force microscopic image of selected NGPs.
FIG.3 (a) A SEM image of a graphite worm sample after exfoliation of graphite intercalation compounds (GICs); (b) Schematic of the exfoliated graphite flakes in …
FIG.4 Schematic of a non-woven, close-packed aggregate of separated EGFs or NGPs obtained by dispersing the EGFs or NGPs in a liquid medium to a relatively …
FIG.5 In-plane thermal conductivity values of a non-woven mat of expanded, separated graphite flakes or NGPs (data denoted by a solid diamond, *), a phenolic …
FIG.6 In-plane electrical conductivity values of a non-woven mat of expanded, separated 6 graphite flakes or NGPs (data denoted by a solid diamond, f), a …
FIG.7 (A) Schematic of a vacuum-assisted flake assembly apparatus for forming a non-woven, close-packed structure of NGP platelets; (B) Slurry spraying and …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A nano-scaled graphene article comprising a compressed, close packed, non-woven aggregate of nano-scaled graphene platelets wherein each of the platelets SVG 11784606.08-22-2012.H₆₆SHOBXPXXIFW3.CLM.2.svg 0.16 6.16 Black and white greater than 100 nm, and wherein platelets contact other platelets to define a plurality of conductive pathways along the article.
The nano-scaled graphene article as defined in claim 1 wherein said article has a thickness smaller than 50 g m and the platelets have a thickness smaller than 10 nm.
The nano-scaled graphene article as defined in claim 1 wherein said article has a thickness smaller than 1 g m and the platelets have a thickness smaller than 10 nm.
The nano-scaled graphene article as defined in claim 1 wherein said article has a thickness smaller than 100 nm.
The nano-scaled graphene article as defined in claim 1 wherein said article has a thermal conductivity greater than 1,000 Wm -K⁻¹.
The nano-scaled graphene article as defined in claim 1 wherein said article has a thermal conductivity greater than 1,500 Wm -K⁻¹.
The nano-scaled graphene article as defined in claim 1 wherein said article has an electrical conductivity greater than 3,000 S/cm.
The nano-scaled graphene article as defined in claim 1 wherein said article has an electrical conductivity greater than 3,000 S/cm and a thermal conductivity greater than 1,000 Wm-IK⁻¹.
The nano-scaled graphene article as defined in claim 1 further comprising a desired amount of a nano-scaled filler, having at least one dimension smaller than 100 nm, selected from the group consisting of a carbon nanotube, carbon nano fiber, carbon black, metal nano-powder, and combinations thereof, wherein said amount is no less than 0.1 0% by weight based on the total weight of said nano-scaled filler and the nano-scaled graphene platelets.
The nano-scaled graphene article as defined in claim 1 wherein the platelets are over-lapping.
The nano-scaled graphene article of claim 1 wherein, when the article contains a matrix or binder material, the compressed aggregate is infiltrated or impregnated by the matrix or binder material.
The nano-scaled graphene article of claim 1 wherein the aggregate is a thin film having a thickness no greater than 100 u m or paper.
The nano-scaled graphene article as defined in claim 1 wherein the aggregate is formed by dispersing separated platelets in a liquid medium and re-assembling the platelets in a layer by removing the liquid medium.
canceled
-2- Application. No.: 11/784,606 Attorney Docket No. 075213-00029 AMENDMENT canceled
canceled
The nano-scaled graphene article as defined in claim 28 wherein the article further comprises a matrix or binder material that impregnates or infiltrates said article to form a composite article, wherein said binder or matrix material is selected from a carbon, graphite, metal, glass, or ceramic material.
The nano-scaled graphene article as defined in claim 14 wherein said composite article has an electrical conductivity greater than 200 S/cm or a thermal conductivity greater than 300 Wm-K⁻¹.
The nano-scaled graphene article as defined in claim 14 wherein said composite article has an electrical conductivity greater than 300 S/cm or a thermal conductivity greater than 500 Wm IK-.
The nano-scaled graphene article of claim 14 wherein the weight fraction of the platelets is not less than 75 %.
(Previously Amended) A nano-scaled graphene platelet-containing article comprising a compressed, close packed, non-woven aggregate of nano-scaled graphene platelets to form an electrical network of platelets in contact with other platelets to define a plurality of conductive pathways along the article wherein the article has an electrical conductivity no less than 200 S/cm or a thermal conductivity no less than 400 Wm -K⁻¹.
The nano-scaled graphene article of claim 20 wherein the article has an electrical conductivity no less than 1,000 S/cm or a thermal conductivity no less than 500 Wm -K⁻¹.
The nano-scaled graphene article as defined in claim 20 further comprising a matrix or binder material that impregnates or infiltrates said article to form a composite article.
The nano-scaled graphene article as defined in claim 20 further comprising a desired amount of a nano-scaled filler selected from the group consisting of a carbon nanotube, carbon nano fiber, carbon black, metal nano-powder, and combinations thereof wherein said amount is no less than 0.1 0% by weight based on the total weight of said nano-scaled filler and the nano-scaled graphene platelets.
The nano-scaled graphene article of claim 20 wherein the weight fraction of the platelets is not less than 75 %.
The nano-scaled graphene article of claim 20 wherein, when the article contains a matrix or binder material, the matrix or binder material infiltrates or impregnates the compressed aggregate.
The nano-scaled graphene article of claim 20 wherein the aggregate is a thin film having a thickness no greater than 100 u m or paper.
A nano-scaled graphene article comprising a compressed, close packed, non-woven aggregate of nano-scaled graphene platelets wherein the aggregate is formed by dispersing nano-scaled graphene platelets in a liquid medium and re-assembling the platelets in a layer by removing the liquid medium, each of the platelets comprises a graphene sheet er SVG 11784606.08-22-2012.H₆₆SHOBXPXXIFW3.CLM.3.svg 0.16 6.45 Black and white the compressed aggregate may- be is infiltrated by a binder or matrix material, and the aggregate may additionally include a filler, and wherein the weight fraction of the platelets is not less than 75%. -6-
Layer stacks claimed or described, ordered top of device to substrate.
nano-scaled graphene platelet thin-film article
nano-scaled graphene platelet composite article
Materials described outside the worked examples.
nano-scaled graphene platelets
nano-scaled filler
Measurements and analyses referenced in the patent, with their drawing references.
FIG.2 (a) Schematic of NGP structures in comparison with CNT structures; (b) Atomic force microscopic image of selected NGPs.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thermal Conductivity | ≥ 1000 W m-1 K⁻¹ | nano-scaled graphene platelets |
Thermal Conductivity | ≥ 1500 W m-1 K⁻¹ |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,233,850Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG.1 A flow chart illustrating various prior art processes of producing exfoliated graphite products (flexible graphite and composites) and presently invented …
FIG.2 (a) Schematic of NGP structures in comparison with CNT structures; (b) Atomic force microscopic image of selected NGPs.
FIG.3 (a) A SEM image of a graphite worm sample after exfoliation of graphite intercalation compounds (GICs); (b) Schematic of the exfoliated graphite flakes in …
FIG.4 Schematic of a non-woven, close-packed aggregate of separated EGFs or NGPs obtained by dispersing the EGFs or NGPs in a liquid medium to a relatively …
FIG.5 In-plane thermal conductivity values of a non-woven mat of expanded, separated graphite flakes or NGPs (data denoted by a solid diamond, *), a phenolic …
FIG.6 In-plane electrical conductivity values of a non-woven mat of expanded, separated 6 graphite flakes or NGPs (data denoted by a solid diamond, f), a …
FIG.7 (A) Schematic of a vacuum-assisted flake assembly apparatus for forming a non-woven, close-packed structure of NGP platelets; (B) Slurry spraying and …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A nano-scaled graphene article comprising a compressed, close packed, non-woven aggregate of nano-scaled graphene platelets wherein each of the platelets SVG 11784606.08-22-2012.H₆₆SHOBXPXXIFW3.CLM.2.svg 0.16 6.16 Black and white greater than 100 nm, and wherein platelets contact other platelets to define a plurality of conductive pathways along the article.
The nano-scaled graphene article as defined in claim 1 wherein said article has a thickness smaller than 50 g m and the platelets have a thickness smaller than 10 nm.
The nano-scaled graphene article as defined in claim 1 wherein said article has a thickness smaller than 1 g m and the platelets have a thickness smaller than 10 nm.
The nano-scaled graphene article as defined in claim 1 wherein said article has a thickness smaller than 100 nm.
The nano-scaled graphene article as defined in claim 1 wherein said article has a thermal conductivity greater than 1,000 Wm -K⁻¹.
The nano-scaled graphene article as defined in claim 1 wherein said article has a thermal conductivity greater than 1,500 Wm -K⁻¹.
The nano-scaled graphene article as defined in claim 1 wherein said article has an electrical conductivity greater than 3,000 S/cm.
The nano-scaled graphene article as defined in claim 1 wherein said article has an electrical conductivity greater than 3,000 S/cm and a thermal conductivity greater than 1,000 Wm-IK⁻¹.
The nano-scaled graphene article as defined in claim 1 further comprising a desired amount of a nano-scaled filler, having at least one dimension smaller than 100 nm, selected from the group consisting of a carbon nanotube, carbon nano fiber, carbon black, metal nano-powder, and combinations thereof, wherein said amount is no less than 0.1 0% by weight based on the total weight of said nano-scaled filler and the nano-scaled graphene platelets.
The nano-scaled graphene article as defined in claim 1 wherein the platelets are over-lapping.
The nano-scaled graphene article of claim 1 wherein, when the article contains a matrix or binder material, the compressed aggregate is infiltrated or impregnated by the matrix or binder material.
The nano-scaled graphene article of claim 1 wherein the aggregate is a thin film having a thickness no greater than 100 u m or paper.
The nano-scaled graphene article as defined in claim 1 wherein the aggregate is formed by dispersing separated platelets in a liquid medium and re-assembling the platelets in a layer by removing the liquid medium.
canceled
-2- Application. No.: 11/784,606 Attorney Docket No. 075213-00029 AMENDMENT canceled
canceled
The nano-scaled graphene article as defined in claim 28 wherein the article further comprises a matrix or binder material that impregnates or infiltrates said article to form a composite article, wherein said binder or matrix material is selected from a carbon, graphite, metal, glass, or ceramic material.
The nano-scaled graphene article as defined in claim 14 wherein said composite article has an electrical conductivity greater than 200 S/cm or a thermal conductivity greater than 300 Wm-K⁻¹.
The nano-scaled graphene article as defined in claim 14 wherein said composite article has an electrical conductivity greater than 300 S/cm or a thermal conductivity greater than 500 Wm IK-.
The nano-scaled graphene article of claim 14 wherein the weight fraction of the platelets is not less than 75 %.
(Previously Amended) A nano-scaled graphene platelet-containing article comprising a compressed, close packed, non-woven aggregate of nano-scaled graphene platelets to form an electrical network of platelets in contact with other platelets to define a plurality of conductive pathways along the article wherein the article has an electrical conductivity no less than 200 S/cm or a thermal conductivity no less than 400 Wm -K⁻¹.
The nano-scaled graphene article of claim 20 wherein the article has an electrical conductivity no less than 1,000 S/cm or a thermal conductivity no less than 500 Wm -K⁻¹.
The nano-scaled graphene article as defined in claim 20 further comprising a matrix or binder material that impregnates or infiltrates said article to form a composite article.
The nano-scaled graphene article as defined in claim 20 further comprising a desired amount of a nano-scaled filler selected from the group consisting of a carbon nanotube, carbon nano fiber, carbon black, metal nano-powder, and combinations thereof wherein said amount is no less than 0.1 0% by weight based on the total weight of said nano-scaled filler and the nano-scaled graphene platelets.
The nano-scaled graphene article of claim 20 wherein the weight fraction of the platelets is not less than 75 %.
The nano-scaled graphene article of claim 20 wherein, when the article contains a matrix or binder material, the matrix or binder material infiltrates or impregnates the compressed aggregate.
The nano-scaled graphene article of claim 20 wherein the aggregate is a thin film having a thickness no greater than 100 u m or paper.
A nano-scaled graphene article comprising a compressed, close packed, non-woven aggregate of nano-scaled graphene platelets wherein the aggregate is formed by dispersing nano-scaled graphene platelets in a liquid medium and re-assembling the platelets in a layer by removing the liquid medium, each of the platelets comprises a graphene sheet er SVG 11784606.08-22-2012.H₆₆SHOBXPXXIFW3.CLM.3.svg 0.16 6.45 Black and white the compressed aggregate may- be is infiltrated by a binder or matrix material, and the aggregate may additionally include a filler, and wherein the weight fraction of the platelets is not less than 75%. -6-
Layer stacks claimed or described, ordered top of device to substrate.
nano-scaled graphene platelet thin-film article
nano-scaled graphene platelet composite article
Materials described outside the worked examples.
nano-scaled graphene platelets
nano-scaled filler
Measurements and analyses referenced in the patent, with their drawing references.
FIG.2 (a) Schematic of NGP structures in comparison with CNT structures; (b) Atomic force microscopic image of selected NGPs.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thermal Conductivity | ≥ 1000 W m-1 K⁻¹ | nano-scaled graphene platelets |
Thermal Conductivity | ≥ 1500 W m-1 K⁻¹ |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,233,850Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG.1 A flow chart illustrating various prior art processes of producing exfoliated graphite products (flexible graphite and composites) and presently invented …
FIG.2 (a) Schematic of NGP structures in comparison with CNT structures; (b) Atomic force microscopic image of selected NGPs.
FIG.3 (a) A SEM image of a graphite worm sample after exfoliation of graphite intercalation compounds (GICs); (b) Schematic of the exfoliated graphite flakes in …
FIG.4 Schematic of a non-woven, close-packed aggregate of separated EGFs or NGPs obtained by dispersing the EGFs or NGPs in a liquid medium to a relatively …
FIG.5 In-plane thermal conductivity values of a non-woven mat of expanded, separated graphite flakes or NGPs (data denoted by a solid diamond, *), a phenolic …
FIG.6 In-plane electrical conductivity values of a non-woven mat of expanded, separated 6 graphite flakes or NGPs (data denoted by a solid diamond, f), a …
FIG.7 (A) Schematic of a vacuum-assisted flake assembly apparatus for forming a non-woven, close-packed structure of NGP platelets; (B) Slurry spraying and …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A nano-scaled graphene article comprising a compressed, close packed, non-woven aggregate of nano-scaled graphene platelets wherein each of the platelets SVG 11784606.08-22-2012.H₆₆SHOBXPXXIFW3.CLM.2.svg 0.16 6.16 Black and white greater than 100 nm, and wherein platelets contact other platelets to define a plurality of conductive pathways along the article.
The nano-scaled graphene article as defined in claim 1 wherein said article has a thickness smaller than 50 g m and the platelets have a thickness smaller than 10 nm.
The nano-scaled graphene article as defined in claim 1 wherein said article has a thickness smaller than 1 g m and the platelets have a thickness smaller than 10 nm.
The nano-scaled graphene article as defined in claim 1 wherein said article has a thickness smaller than 100 nm.
The nano-scaled graphene article as defined in claim 1 wherein said article has a thermal conductivity greater than 1,000 Wm -K⁻¹.
The nano-scaled graphene article as defined in claim 1 wherein said article has a thermal conductivity greater than 1,500 Wm -K⁻¹.
The nano-scaled graphene article as defined in claim 1 wherein said article has an electrical conductivity greater than 3,000 S/cm.
The nano-scaled graphene article as defined in claim 1 wherein said article has an electrical conductivity greater than 3,000 S/cm and a thermal conductivity greater than 1,000 Wm-IK⁻¹.
The nano-scaled graphene article as defined in claim 1 further comprising a desired amount of a nano-scaled filler, having at least one dimension smaller than 100 nm, selected from the group consisting of a carbon nanotube, carbon nano fiber, carbon black, metal nano-powder, and combinations thereof, wherein said amount is no less than 0.1 0% by weight based on the total weight of said nano-scaled filler and the nano-scaled graphene platelets.
The nano-scaled graphene article as defined in claim 1 wherein the platelets are over-lapping.
The nano-scaled graphene article of claim 1 wherein, when the article contains a matrix or binder material, the compressed aggregate is infiltrated or impregnated by the matrix or binder material.
The nano-scaled graphene article of claim 1 wherein the aggregate is a thin film having a thickness no greater than 100 u m or paper.
The nano-scaled graphene article as defined in claim 1 wherein the aggregate is formed by dispersing separated platelets in a liquid medium and re-assembling the platelets in a layer by removing the liquid medium.
canceled
-2- Application. No.: 11/784,606 Attorney Docket No. 075213-00029 AMENDMENT canceled
canceled
The nano-scaled graphene article as defined in claim 28 wherein the article further comprises a matrix or binder material that impregnates or infiltrates said article to form a composite article, wherein said binder or matrix material is selected from a carbon, graphite, metal, glass, or ceramic material.
The nano-scaled graphene article as defined in claim 14 wherein said composite article has an electrical conductivity greater than 200 S/cm or a thermal conductivity greater than 300 Wm-K⁻¹.
The nano-scaled graphene article as defined in claim 14 wherein said composite article has an electrical conductivity greater than 300 S/cm or a thermal conductivity greater than 500 Wm IK-.
The nano-scaled graphene article of claim 14 wherein the weight fraction of the platelets is not less than 75 %.
(Previously Amended) A nano-scaled graphene platelet-containing article comprising a compressed, close packed, non-woven aggregate of nano-scaled graphene platelets to form an electrical network of platelets in contact with other platelets to define a plurality of conductive pathways along the article wherein the article has an electrical conductivity no less than 200 S/cm or a thermal conductivity no less than 400 Wm -K⁻¹.
The nano-scaled graphene article of claim 20 wherein the article has an electrical conductivity no less than 1,000 S/cm or a thermal conductivity no less than 500 Wm -K⁻¹.
The nano-scaled graphene article as defined in claim 20 further comprising a matrix or binder material that impregnates or infiltrates said article to form a composite article.
The nano-scaled graphene article as defined in claim 20 further comprising a desired amount of a nano-scaled filler selected from the group consisting of a carbon nanotube, carbon nano fiber, carbon black, metal nano-powder, and combinations thereof wherein said amount is no less than 0.1 0% by weight based on the total weight of said nano-scaled filler and the nano-scaled graphene platelets.
The nano-scaled graphene article of claim 20 wherein the weight fraction of the platelets is not less than 75 %.
The nano-scaled graphene article of claim 20 wherein, when the article contains a matrix or binder material, the matrix or binder material infiltrates or impregnates the compressed aggregate.
The nano-scaled graphene article of claim 20 wherein the aggregate is a thin film having a thickness no greater than 100 u m or paper.
A nano-scaled graphene article comprising a compressed, close packed, non-woven aggregate of nano-scaled graphene platelets wherein the aggregate is formed by dispersing nano-scaled graphene platelets in a liquid medium and re-assembling the platelets in a layer by removing the liquid medium, each of the platelets comprises a graphene sheet er SVG 11784606.08-22-2012.H₆₆SHOBXPXXIFW3.CLM.3.svg 0.16 6.45 Black and white the compressed aggregate may- be is infiltrated by a binder or matrix material, and the aggregate may additionally include a filler, and wherein the weight fraction of the platelets is not less than 75%. -6-
Layer stacks claimed or described, ordered top of device to substrate.
nano-scaled graphene platelet thin-film article
nano-scaled graphene platelet composite article
Materials described outside the worked examples.
nano-scaled graphene platelets
nano-scaled filler
Measurements and analyses referenced in the patent, with their drawing references.
FIG.2 (a) Schematic of NGP structures in comparison with CNT structures; (b) Atomic force microscopic image of selected NGPs.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thermal Conductivity | ≥ 1000 W m-1 K⁻¹ | nano-scaled graphene platelets |
Thermal Conductivity | ≥ 1500 W m-1 K⁻¹ |
Related documents with shared materials, methods, properties, or citations.
exfoliated graphite flakes
FIG.3 (a) A SEM image of a graphite worm sample after exfoliation of graphite intercalation compounds (GICs); (b) Schematic of the exfoliated graphite flakes in …
FIG.6 In-plane electrical conductivity values of a non-woven mat of expanded, separated 6 graphite flakes or NGPs (data denoted by a solid diamond, f), a …
Electrical Conductivity | ≥ 3000 S/cm | nano-scaled graphene platelets |
Electrical Conductivity | ≥ 200 S/cm | nano-scaled graphene platelets |
Thermal Conductivity | ≥ 400 W m-1 K⁻¹ | nano-scaled graphene platelets |
Thermal Conductivity | ≥ 500 W m-1 K⁻¹ | nano-scaled graphene platelets |
Electrical Conductivity | ≥ 1000 S/cm | nano-scaled graphene platelets |
Electrical Conductivity | ≥ 200 S/cm | — |
Thermal Conductivity | ≥ 300 W m-1 K⁻¹ | — |
Duration | 15–120 s | — |
Thickness | 30–50 µm | — |
— | 140–190 W | — |
— | 2000–3000 W | — |
— | 140–300 W | — |
— | 580–2050 W | — |
Duration | 1–10 hours | — |
— | 14–15 W | — |
Thickness | ≥ 1 nm | — |
Thickness | ≥ 10 nm | — |
exfoliated graphite flakes
FIG.3 (a) A SEM image of a graphite worm sample after exfoliation of graphite intercalation compounds (GICs); (b) Schematic of the exfoliated graphite flakes in …
FIG.6 In-plane electrical conductivity values of a non-woven mat of expanded, separated 6 graphite flakes or NGPs (data denoted by a solid diamond, f), a …
Electrical Conductivity | ≥ 3000 S/cm | nano-scaled graphene platelets |
Electrical Conductivity | ≥ 200 S/cm | nano-scaled graphene platelets |
Thermal Conductivity | ≥ 400 W m-1 K⁻¹ | nano-scaled graphene platelets |
Thermal Conductivity | ≥ 500 W m-1 K⁻¹ | nano-scaled graphene platelets |
Electrical Conductivity | ≥ 1000 S/cm | nano-scaled graphene platelets |
Electrical Conductivity | ≥ 200 S/cm | — |
Thermal Conductivity | ≥ 300 W m-1 K⁻¹ | — |
Duration | 15–120 s | — |
Thickness | 30–50 µm | — |
— | 140–190 W | — |
— | 2000–3000 W | — |
— | 140–300 W | — |
— | 580–2050 W | — |
Duration | 1–10 hours | — |
— | 14–15 W | — |
Thickness | ≥ 1 nm | — |
Thickness | ≥ 10 nm | — |
exfoliated graphite flakes
FIG.3 (a) A SEM image of a graphite worm sample after exfoliation of graphite intercalation compounds (GICs); (b) Schematic of the exfoliated graphite flakes in …
FIG.6 In-plane electrical conductivity values of a non-woven mat of expanded, separated 6 graphite flakes or NGPs (data denoted by a solid diamond, f), a …
Electrical Conductivity | ≥ 3000 S/cm | nano-scaled graphene platelets |
Electrical Conductivity | ≥ 200 S/cm | nano-scaled graphene platelets |
Thermal Conductivity | ≥ 400 W m-1 K⁻¹ | nano-scaled graphene platelets |
Thermal Conductivity | ≥ 500 W m-1 K⁻¹ | nano-scaled graphene platelets |
Electrical Conductivity | ≥ 1000 S/cm | nano-scaled graphene platelets |
Electrical Conductivity | ≥ 200 S/cm | — |
Thermal Conductivity | ≥ 300 W m-1 K⁻¹ | — |
Duration | 15–120 s | — |
Thickness | 30–50 µm | — |
— | 140–190 W | — |
— | 2000–3000 W | — |
— | 140–300 W | — |
— | 580–2050 W | — |
Duration | 1–10 hours | — |
— | 14–15 W | — |
Thickness | ≥ 1 nm | — |
Thickness | ≥ 10 nm | — |
exfoliated graphite flakes
FIG.3 (a) A SEM image of a graphite worm sample after exfoliation of graphite intercalation compounds (GICs); (b) Schematic of the exfoliated graphite flakes in …
FIG.6 In-plane electrical conductivity values of a non-woven mat of expanded, separated 6 graphite flakes or NGPs (data denoted by a solid diamond, f), a …
Electrical Conductivity | ≥ 3000 S/cm | nano-scaled graphene platelets |
Electrical Conductivity | ≥ 200 S/cm | nano-scaled graphene platelets |
Thermal Conductivity | ≥ 400 W m-1 K⁻¹ | nano-scaled graphene platelets |
Thermal Conductivity | ≥ 500 W m-1 K⁻¹ | nano-scaled graphene platelets |
Electrical Conductivity | ≥ 1000 S/cm | nano-scaled graphene platelets |
Electrical Conductivity | ≥ 200 S/cm | — |
Thermal Conductivity | ≥ 300 W m-1 K⁻¹ | — |
Duration | 15–120 s | — |
Thickness | 30–50 µm | — |
— | 140–190 W | — |
— | 2000–3000 W | — |
— | 140–300 W | — |
— | 580–2050 W | — |
Duration | 1–10 hours | — |
— | 14–15 W | — |
Thickness | ≥ 1 nm | — |
Thickness | ≥ 10 nm | — |