Patent
US 11,091,844METHOD TO MAKE FLEXIBLE, FREE-STANDING GRAPHENE PAPER AND PRODUCT FORMED THEREBY
Sundaram Gunasekaran, Omer Sadak
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 11,091,844Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic flow chart depicting the method of preparing flexible, free- standing graphene paper via vacuum filtration, as disclosed herein.
FIG. 2 is a series of scanning electron microscopy images of the graphene paper formed by the disclosed method. Panel (a) is an image of the graphene paper at …
FIGS. 3A, 3B, 3C, and 3D are graphs showing various electronic and physical characteristics of the graphene paper disclosed herein. Fig. 3A presents …
FIGS. 4A, 4B, 4C and 4D are various spectra of the graphene paper disclosed herein. Fig. 4A shows the FT-IR spectrum of the graphene paper (black trace) …
FIG. 5B is a cyclic voltammetry of the graphene paper at different scan rates in 1 M H 2 S O 4 at 1, 5, 10, 20, 30, 50 and 100 m V. Fig. 5 C is a galvanostatic …
FIGS. 6A, 6B, 6C, 6D, 6E, and 6F are a series of digital images of graphene paper made according to the method disclosed herein. Fig. 6A shows the graphene …
FIG. 7A is a histogram reporting the absorption capacity of graphene paper made according to the method disclosed herein for various oils and organic solvents …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Kumar, N.A., et al., Graphene and molybdenum disu lfi de hybrids: synthesis and applications. Materials Today, 2015. 18(5): p. 286-298.
Wang, M., et al., Functional Three-Dimensional Graphene/Polymer Composites. Acs Nano, 2016. 10(8): p. 7231-7247.
Joshi, R.K. and J.J. Schneider, Assembly of one dimensional inorganic nanostructures into functional 2D and 3D architectures. Synthesis, arrangement and functionality. Chemical Society Reviews, 2012. 41(15): p. 5285-5312.
Tsang, A.C.H., H.Y. H. Kwok, and D.Y. C. Leung, The use of graphene based materials for fuel cell, photovoltaics, and supercapacitor electrode materials. Solid State Sciences, 2017. 67: p. A 1 -A14.
Zhu, Y., et al., Graphene and graphene oxide: synthesis, properties, and applications. Adv Mater, 2010. 22(35): p. 3906-24.
Ke, Q.W., J., Graphene-based materials for supercapacitor electrodes. Journal of Materiomics, 2016. 2(1): p. 37-54.
Bonaccorso, F., et al., Production and processing of graphene and 2d crystals. Materials Today, 2012. 15(12): p. 564-589.
Vedhanarayanan, B., et al., Exfoliation of Reduced Graphene Oxide with Self-Assembled pi-Gelators for Improved Electrochemical Performance. ACS Appl Mater Interfaces, 2017. 9(23): p. 19417-19426.
Weiss, N.O., et al., Graphene: an emerging electronic material. Adv Mater, 2012. 24(43): p. 5782- 825.
Li, Z.P., et al., Flexible graphene/MnO 2 composite papers for supercapacitor electrodes. Journal of Materials Chemistry, 2011. 21(38): p. 14706-14711.
Liu, L.L., et al., Nanostructured Graphene Composite Papers for Highly Flexible and Foldable Supercapacitors. Advanced Materials, 2014. 26(28): p. 4855- +.
Ping, Y. J., et al., Preparation of three-dimensional graphene foam for high performance supercapacitors. Progress in Natural Science-Materials International, 2017. 27(2): p. 177-18 1. 13. Liu, W.W., et al., Advanced Li-Ion Hybrid Supercapacitors Based on 3D Graphene-Foam Composites. A c s Applied Materials & Interfaces, 2016. 8(39): p. 25941-25953.
Shao, Y. L., et al., 3D Freeze-Casting of Cellular Graphene Films for Ultrahigh-Power-Density Supercapacitors. Advanced Materials, 2016. 28(31): p. 6719- +.
Liu, Y. Q., et al., High-Performance Flexible All-Solid-State Supercapacitor from Large Free- S tanding Graphene-PEDOT/PSS Films. Scientific Reports, 2015. 5.
Moon, I. K., et al., Lateral photovoltaic effect in flexible free-standing reduced graphene oxide film for self-powered position-sensitive detection(vol 6, 33525, 2016). Scientific Reports, 2016. 6. 17. Liu, F., et al., Folded structured graphene paper for high performance electrode materials. Adv Mater, 2012. 24(8): p. 1089-94.
Pham, V.H. and J.H. Dickerson, Reduced Graphene Oxide Hydrogels Deposited in Nickel Foam for Supercapacitor Applications: Toward High Volumetric Capacitance. Journal of Physical Chemistry C, 2016. 120(10): p. 5353-5360.
Li, H., et al., Compressed porous graphene particles for use as supercapacitor electrodes with excellent volumetric performance. Nanoscale, 2015. 7(44): p. 18459-18463.
Guillermo A. Ferrero, D.M.S., Prof. Antonio B. Fuertes, Flexible, Free-Standing and Holey Graphene Paper for High-Power Supercapacitors. ChemNanoMat, 2016. 2(11): p. 1055-1063. 21. Jung, S.M., et al., Controlled porous structures of graphene aerogels and their effect on supercapacitor performance. Nanoscale, 2015. 7(10): p. 4386-4393.
Lehtimaki, S., et al., Preparation of Supercapacitors on Flexible Substrates with Electrodeposited PEDOT/Graphene Composites. A c s Applied Materials & Interfaces, 2015. 7(40): p. 22137-22147.
Strong, V., et al., Patterning and Electronic Tuning of Laser Scribed Graphene for Flexible All-Carbon Devices. Acs Nano, 2012. 6(2): p. 1395-1403.
Zhao, Y. Q., et al., MnO₂/graphene/nickel foam composite as high performance supercapacitor electrode via a facile electrochemical deposition strategy. Materials Letters, 2012. 76: p. 127-130.
Zhang, Z.Y., et al., Facile Synthesis of 3D MnO₂-Graphene and Carbon Nanotube-Graphene Composite Networks for High-Performance, Flexible, All-Solid-State Asymmetric Supercapacitors. Advanced Energy Materials, 2014. 4(10).
Huang, X., et al., Graphene-based electrodes. Adv Mater, 2012. 24(45): p. 5979-6004.
Blomquist, N., et al., Large-Scale Production of Nanographite by Tube-Shear Exfoliation in Water Plo s One, 2016. 11(4).
Chang, D.W. and J.B. Baek, Eco-friendly synthesis of graphene nanoplatelets. Journal of Materials Chemistry A, 2016. 4(40): p. 15281-15293.
Jayasena, B. and S. Subbiah, A novel mechanical cleavage method for synthesizing few-layer graphe n es. Nanoscale Research Letters, 2011. 6.
Zhang, L., et al., Controlled synthesis offew-layered graphe n e sheets on a large scale using chemical exfoliation. Carbon, 2010. 48(8): p. 2367-237 1.
Wang, Z.L., et al., Facile, mild and fast thermal-decomposition reduction of graphe n e oxide in air and its application in high-performance lithium batteries. Chemical Communications, 2012. 48(7): p. 976-978.
Yasri, N.G., A.K. Sundramoorthy, and S. Gunasekaran, Azo dye functionalized graphe ne nanoplatelets for selective detection of bisphenol A and hydrogen peroxide. Rsc Advances, 2015. 5(106): p. 87295-87305.
Sadak, O., A.K. Sundramoorthy, and S. Gunasekaran, Highly selective colorimetric and electrochemical sensing of iron (III) using Nile red functionalized graphe n e film. Biosens Bioelectron, 2017. 89(Pt 1): p. 430-436.
Mao, M., et al., Simultaneous electrochemical synthesis of few-layer graphe n e flakes on both electrodes in protic ionic liquids. Chemical Communications, 2013. 49(46): p. 5301-5303.
Patil, V., et al., Graphe n e oxide and functionalized multi walled carbon nanotubes as epoxy curing agents: a novel synthetic approach to nanocomposites containing active nanostructured fillers. Rsc Advances, 2014. 4(90): p. 49264-49272.
Huang, H., et al., Highly efficient electrolytic exfoliation of graphite into graphe n e sheets based on Li ions intercalation-expansion-microexplosion mechanism. Journal of Materials Chemistry, 2012. 22(21): p. 10452-10456.
Moon, I.K., et al., Reduced graphe n e oxide by chemical graphitization. Nat Commun, 2010. 1: p.
Materials described outside the worked examples.
partially oxidized graphene
free-standing graphene paper
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 is a series of scanning electron microscopy images of the graphene paper formed by the disclosed method. Panel (a) is an image of the graphene paper at …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
C:O ratio of free-standing graphene paper | ≥ 8 | free-standing graphene paper |
C:O ratio preferred range | ≥ 8.5 |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,091,844Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic flow chart depicting the method of preparing flexible, free- standing graphene paper via vacuum filtration, as disclosed herein.
FIG. 2 is a series of scanning electron microscopy images of the graphene paper formed by the disclosed method. Panel (a) is an image of the graphene paper at …
FIGS. 3A, 3B, 3C, and 3D are graphs showing various electronic and physical characteristics of the graphene paper disclosed herein. Fig. 3A presents …
FIGS. 4A, 4B, 4C and 4D are various spectra of the graphene paper disclosed herein. Fig. 4A shows the FT-IR spectrum of the graphene paper (black trace) …
FIG. 5B is a cyclic voltammetry of the graphene paper at different scan rates in 1 M H 2 S O 4 at 1, 5, 10, 20, 30, 50 and 100 m V. Fig. 5 C is a galvanostatic …
FIGS. 6A, 6B, 6C, 6D, 6E, and 6F are a series of digital images of graphene paper made according to the method disclosed herein. Fig. 6A shows the graphene …
FIG. 7A is a histogram reporting the absorption capacity of graphene paper made according to the method disclosed herein for various oils and organic solvents …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Kumar, N.A., et al., Graphene and molybdenum disu lfi de hybrids: synthesis and applications. Materials Today, 2015. 18(5): p. 286-298.
Wang, M., et al., Functional Three-Dimensional Graphene/Polymer Composites. Acs Nano, 2016. 10(8): p. 7231-7247.
Joshi, R.K. and J.J. Schneider, Assembly of one dimensional inorganic nanostructures into functional 2D and 3D architectures. Synthesis, arrangement and functionality. Chemical Society Reviews, 2012. 41(15): p. 5285-5312.
Tsang, A.C.H., H.Y. H. Kwok, and D.Y. C. Leung, The use of graphene based materials for fuel cell, photovoltaics, and supercapacitor electrode materials. Solid State Sciences, 2017. 67: p. A 1 -A14.
Zhu, Y., et al., Graphene and graphene oxide: synthesis, properties, and applications. Adv Mater, 2010. 22(35): p. 3906-24.
Ke, Q.W., J., Graphene-based materials for supercapacitor electrodes. Journal of Materiomics, 2016. 2(1): p. 37-54.
Bonaccorso, F., et al., Production and processing of graphene and 2d crystals. Materials Today, 2012. 15(12): p. 564-589.
Vedhanarayanan, B., et al., Exfoliation of Reduced Graphene Oxide with Self-Assembled pi-Gelators for Improved Electrochemical Performance. ACS Appl Mater Interfaces, 2017. 9(23): p. 19417-19426.
Weiss, N.O., et al., Graphene: an emerging electronic material. Adv Mater, 2012. 24(43): p. 5782- 825.
Li, Z.P., et al., Flexible graphene/MnO 2 composite papers for supercapacitor electrodes. Journal of Materials Chemistry, 2011. 21(38): p. 14706-14711.
Liu, L.L., et al., Nanostructured Graphene Composite Papers for Highly Flexible and Foldable Supercapacitors. Advanced Materials, 2014. 26(28): p. 4855- +.
Ping, Y. J., et al., Preparation of three-dimensional graphene foam for high performance supercapacitors. Progress in Natural Science-Materials International, 2017. 27(2): p. 177-18 1. 13. Liu, W.W., et al., Advanced Li-Ion Hybrid Supercapacitors Based on 3D Graphene-Foam Composites. A c s Applied Materials & Interfaces, 2016. 8(39): p. 25941-25953.
Shao, Y. L., et al., 3D Freeze-Casting of Cellular Graphene Films for Ultrahigh-Power-Density Supercapacitors. Advanced Materials, 2016. 28(31): p. 6719- +.
Liu, Y. Q., et al., High-Performance Flexible All-Solid-State Supercapacitor from Large Free- S tanding Graphene-PEDOT/PSS Films. Scientific Reports, 2015. 5.
Moon, I. K., et al., Lateral photovoltaic effect in flexible free-standing reduced graphene oxide film for self-powered position-sensitive detection(vol 6, 33525, 2016). Scientific Reports, 2016. 6. 17. Liu, F., et al., Folded structured graphene paper for high performance electrode materials. Adv Mater, 2012. 24(8): p. 1089-94.
Pham, V.H. and J.H. Dickerson, Reduced Graphene Oxide Hydrogels Deposited in Nickel Foam for Supercapacitor Applications: Toward High Volumetric Capacitance. Journal of Physical Chemistry C, 2016. 120(10): p. 5353-5360.
Li, H., et al., Compressed porous graphene particles for use as supercapacitor electrodes with excellent volumetric performance. Nanoscale, 2015. 7(44): p. 18459-18463.
Guillermo A. Ferrero, D.M.S., Prof. Antonio B. Fuertes, Flexible, Free-Standing and Holey Graphene Paper for High-Power Supercapacitors. ChemNanoMat, 2016. 2(11): p. 1055-1063. 21. Jung, S.M., et al., Controlled porous structures of graphene aerogels and their effect on supercapacitor performance. Nanoscale, 2015. 7(10): p. 4386-4393.
Lehtimaki, S., et al., Preparation of Supercapacitors on Flexible Substrates with Electrodeposited PEDOT/Graphene Composites. A c s Applied Materials & Interfaces, 2015. 7(40): p. 22137-22147.
Strong, V., et al., Patterning and Electronic Tuning of Laser Scribed Graphene for Flexible All-Carbon Devices. Acs Nano, 2012. 6(2): p. 1395-1403.
Zhao, Y. Q., et al., MnO₂/graphene/nickel foam composite as high performance supercapacitor electrode via a facile electrochemical deposition strategy. Materials Letters, 2012. 76: p. 127-130.
Zhang, Z.Y., et al., Facile Synthesis of 3D MnO₂-Graphene and Carbon Nanotube-Graphene Composite Networks for High-Performance, Flexible, All-Solid-State Asymmetric Supercapacitors. Advanced Energy Materials, 2014. 4(10).
Huang, X., et al., Graphene-based electrodes. Adv Mater, 2012. 24(45): p. 5979-6004.
Blomquist, N., et al., Large-Scale Production of Nanographite by Tube-Shear Exfoliation in Water Plo s One, 2016. 11(4).
Chang, D.W. and J.B. Baek, Eco-friendly synthesis of graphene nanoplatelets. Journal of Materials Chemistry A, 2016. 4(40): p. 15281-15293.
Jayasena, B. and S. Subbiah, A novel mechanical cleavage method for synthesizing few-layer graphe n es. Nanoscale Research Letters, 2011. 6.
Zhang, L., et al., Controlled synthesis offew-layered graphe n e sheets on a large scale using chemical exfoliation. Carbon, 2010. 48(8): p. 2367-237 1.
Wang, Z.L., et al., Facile, mild and fast thermal-decomposition reduction of graphe n e oxide in air and its application in high-performance lithium batteries. Chemical Communications, 2012. 48(7): p. 976-978.
Yasri, N.G., A.K. Sundramoorthy, and S. Gunasekaran, Azo dye functionalized graphe ne nanoplatelets for selective detection of bisphenol A and hydrogen peroxide. Rsc Advances, 2015. 5(106): p. 87295-87305.
Sadak, O., A.K. Sundramoorthy, and S. Gunasekaran, Highly selective colorimetric and electrochemical sensing of iron (III) using Nile red functionalized graphe n e film. Biosens Bioelectron, 2017. 89(Pt 1): p. 430-436.
Mao, M., et al., Simultaneous electrochemical synthesis of few-layer graphe n e flakes on both electrodes in protic ionic liquids. Chemical Communications, 2013. 49(46): p. 5301-5303.
Patil, V., et al., Graphe n e oxide and functionalized multi walled carbon nanotubes as epoxy curing agents: a novel synthetic approach to nanocomposites containing active nanostructured fillers. Rsc Advances, 2014. 4(90): p. 49264-49272.
Huang, H., et al., Highly efficient electrolytic exfoliation of graphite into graphe n e sheets based on Li ions intercalation-expansion-microexplosion mechanism. Journal of Materials Chemistry, 2012. 22(21): p. 10452-10456.
Moon, I.K., et al., Reduced graphe n e oxide by chemical graphitization. Nat Commun, 2010. 1: p.
Materials described outside the worked examples.
partially oxidized graphene
free-standing graphene paper
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 is a series of scanning electron microscopy images of the graphene paper formed by the disclosed method. Panel (a) is an image of the graphene paper at …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
C:O ratio of free-standing graphene paper | ≥ 8 | free-standing graphene paper |
C:O ratio preferred range | ≥ 8.5 |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,091,844Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic flow chart depicting the method of preparing flexible, free- standing graphene paper via vacuum filtration, as disclosed herein.
FIG. 2 is a series of scanning electron microscopy images of the graphene paper formed by the disclosed method. Panel (a) is an image of the graphene paper at …
FIGS. 3A, 3B, 3C, and 3D are graphs showing various electronic and physical characteristics of the graphene paper disclosed herein. Fig. 3A presents …
FIGS. 4A, 4B, 4C and 4D are various spectra of the graphene paper disclosed herein. Fig. 4A shows the FT-IR spectrum of the graphene paper (black trace) …
FIG. 5B is a cyclic voltammetry of the graphene paper at different scan rates in 1 M H 2 S O 4 at 1, 5, 10, 20, 30, 50 and 100 m V. Fig. 5 C is a galvanostatic …
FIGS. 6A, 6B, 6C, 6D, 6E, and 6F are a series of digital images of graphene paper made according to the method disclosed herein. Fig. 6A shows the graphene …
FIG. 7A is a histogram reporting the absorption capacity of graphene paper made according to the method disclosed herein for various oils and organic solvents …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Kumar, N.A., et al., Graphene and molybdenum disu lfi de hybrids: synthesis and applications. Materials Today, 2015. 18(5): p. 286-298.
Wang, M., et al., Functional Three-Dimensional Graphene/Polymer Composites. Acs Nano, 2016. 10(8): p. 7231-7247.
Joshi, R.K. and J.J. Schneider, Assembly of one dimensional inorganic nanostructures into functional 2D and 3D architectures. Synthesis, arrangement and functionality. Chemical Society Reviews, 2012. 41(15): p. 5285-5312.
Tsang, A.C.H., H.Y. H. Kwok, and D.Y. C. Leung, The use of graphene based materials for fuel cell, photovoltaics, and supercapacitor electrode materials. Solid State Sciences, 2017. 67: p. A 1 -A14.
Zhu, Y., et al., Graphene and graphene oxide: synthesis, properties, and applications. Adv Mater, 2010. 22(35): p. 3906-24.
Ke, Q.W., J., Graphene-based materials for supercapacitor electrodes. Journal of Materiomics, 2016. 2(1): p. 37-54.
Bonaccorso, F., et al., Production and processing of graphene and 2d crystals. Materials Today, 2012. 15(12): p. 564-589.
Vedhanarayanan, B., et al., Exfoliation of Reduced Graphene Oxide with Self-Assembled pi-Gelators for Improved Electrochemical Performance. ACS Appl Mater Interfaces, 2017. 9(23): p. 19417-19426.
Weiss, N.O., et al., Graphene: an emerging electronic material. Adv Mater, 2012. 24(43): p. 5782- 825.
Li, Z.P., et al., Flexible graphene/MnO 2 composite papers for supercapacitor electrodes. Journal of Materials Chemistry, 2011. 21(38): p. 14706-14711.
Liu, L.L., et al., Nanostructured Graphene Composite Papers for Highly Flexible and Foldable Supercapacitors. Advanced Materials, 2014. 26(28): p. 4855- +.
Ping, Y. J., et al., Preparation of three-dimensional graphene foam for high performance supercapacitors. Progress in Natural Science-Materials International, 2017. 27(2): p. 177-18 1. 13. Liu, W.W., et al., Advanced Li-Ion Hybrid Supercapacitors Based on 3D Graphene-Foam Composites. A c s Applied Materials & Interfaces, 2016. 8(39): p. 25941-25953.
Shao, Y. L., et al., 3D Freeze-Casting of Cellular Graphene Films for Ultrahigh-Power-Density Supercapacitors. Advanced Materials, 2016. 28(31): p. 6719- +.
Liu, Y. Q., et al., High-Performance Flexible All-Solid-State Supercapacitor from Large Free- S tanding Graphene-PEDOT/PSS Films. Scientific Reports, 2015. 5.
Moon, I. K., et al., Lateral photovoltaic effect in flexible free-standing reduced graphene oxide film for self-powered position-sensitive detection(vol 6, 33525, 2016). Scientific Reports, 2016. 6. 17. Liu, F., et al., Folded structured graphene paper for high performance electrode materials. Adv Mater, 2012. 24(8): p. 1089-94.
Pham, V.H. and J.H. Dickerson, Reduced Graphene Oxide Hydrogels Deposited in Nickel Foam for Supercapacitor Applications: Toward High Volumetric Capacitance. Journal of Physical Chemistry C, 2016. 120(10): p. 5353-5360.
Li, H., et al., Compressed porous graphene particles for use as supercapacitor electrodes with excellent volumetric performance. Nanoscale, 2015. 7(44): p. 18459-18463.
Guillermo A. Ferrero, D.M.S., Prof. Antonio B. Fuertes, Flexible, Free-Standing and Holey Graphene Paper for High-Power Supercapacitors. ChemNanoMat, 2016. 2(11): p. 1055-1063. 21. Jung, S.M., et al., Controlled porous structures of graphene aerogels and their effect on supercapacitor performance. Nanoscale, 2015. 7(10): p. 4386-4393.
Lehtimaki, S., et al., Preparation of Supercapacitors on Flexible Substrates with Electrodeposited PEDOT/Graphene Composites. A c s Applied Materials & Interfaces, 2015. 7(40): p. 22137-22147.
Strong, V., et al., Patterning and Electronic Tuning of Laser Scribed Graphene for Flexible All-Carbon Devices. Acs Nano, 2012. 6(2): p. 1395-1403.
Zhao, Y. Q., et al., MnO₂/graphene/nickel foam composite as high performance supercapacitor electrode via a facile electrochemical deposition strategy. Materials Letters, 2012. 76: p. 127-130.
Zhang, Z.Y., et al., Facile Synthesis of 3D MnO₂-Graphene and Carbon Nanotube-Graphene Composite Networks for High-Performance, Flexible, All-Solid-State Asymmetric Supercapacitors. Advanced Energy Materials, 2014. 4(10).
Huang, X., et al., Graphene-based electrodes. Adv Mater, 2012. 24(45): p. 5979-6004.
Blomquist, N., et al., Large-Scale Production of Nanographite by Tube-Shear Exfoliation in Water Plo s One, 2016. 11(4).
Chang, D.W. and J.B. Baek, Eco-friendly synthesis of graphene nanoplatelets. Journal of Materials Chemistry A, 2016. 4(40): p. 15281-15293.
Jayasena, B. and S. Subbiah, A novel mechanical cleavage method for synthesizing few-layer graphe n es. Nanoscale Research Letters, 2011. 6.
Zhang, L., et al., Controlled synthesis offew-layered graphe n e sheets on a large scale using chemical exfoliation. Carbon, 2010. 48(8): p. 2367-237 1.
Wang, Z.L., et al., Facile, mild and fast thermal-decomposition reduction of graphe n e oxide in air and its application in high-performance lithium batteries. Chemical Communications, 2012. 48(7): p. 976-978.
Yasri, N.G., A.K. Sundramoorthy, and S. Gunasekaran, Azo dye functionalized graphe ne nanoplatelets for selective detection of bisphenol A and hydrogen peroxide. Rsc Advances, 2015. 5(106): p. 87295-87305.
Sadak, O., A.K. Sundramoorthy, and S. Gunasekaran, Highly selective colorimetric and electrochemical sensing of iron (III) using Nile red functionalized graphe n e film. Biosens Bioelectron, 2017. 89(Pt 1): p. 430-436.
Mao, M., et al., Simultaneous electrochemical synthesis of few-layer graphe n e flakes on both electrodes in protic ionic liquids. Chemical Communications, 2013. 49(46): p. 5301-5303.
Patil, V., et al., Graphe n e oxide and functionalized multi walled carbon nanotubes as epoxy curing agents: a novel synthetic approach to nanocomposites containing active nanostructured fillers. Rsc Advances, 2014. 4(90): p. 49264-49272.
Huang, H., et al., Highly efficient electrolytic exfoliation of graphite into graphe n e sheets based on Li ions intercalation-expansion-microexplosion mechanism. Journal of Materials Chemistry, 2012. 22(21): p. 10452-10456.
Moon, I.K., et al., Reduced graphe n e oxide by chemical graphitization. Nat Commun, 2010. 1: p.
Materials described outside the worked examples.
partially oxidized graphene
free-standing graphene paper
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 is a series of scanning electron microscopy images of the graphene paper formed by the disclosed method. Panel (a) is an image of the graphene paper at …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
C:O ratio of free-standing graphene paper | ≥ 8 | free-standing graphene paper |
C:O ratio preferred range | ≥ 8.5 |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,091,844Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic flow chart depicting the method of preparing flexible, free- standing graphene paper via vacuum filtration, as disclosed herein.
FIG. 2 is a series of scanning electron microscopy images of the graphene paper formed by the disclosed method. Panel (a) is an image of the graphene paper at …
FIGS. 3A, 3B, 3C, and 3D are graphs showing various electronic and physical characteristics of the graphene paper disclosed herein. Fig. 3A presents …
FIGS. 4A, 4B, 4C and 4D are various spectra of the graphene paper disclosed herein. Fig. 4A shows the FT-IR spectrum of the graphene paper (black trace) …
FIG. 5B is a cyclic voltammetry of the graphene paper at different scan rates in 1 M H 2 S O 4 at 1, 5, 10, 20, 30, 50 and 100 m V. Fig. 5 C is a galvanostatic …
FIGS. 6A, 6B, 6C, 6D, 6E, and 6F are a series of digital images of graphene paper made according to the method disclosed herein. Fig. 6A shows the graphene …
FIG. 7A is a histogram reporting the absorption capacity of graphene paper made according to the method disclosed herein for various oils and organic solvents …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Kumar, N.A., et al., Graphene and molybdenum disu lfi de hybrids: synthesis and applications. Materials Today, 2015. 18(5): p. 286-298.
Wang, M., et al., Functional Three-Dimensional Graphene/Polymer Composites. Acs Nano, 2016. 10(8): p. 7231-7247.
Joshi, R.K. and J.J. Schneider, Assembly of one dimensional inorganic nanostructures into functional 2D and 3D architectures. Synthesis, arrangement and functionality. Chemical Society Reviews, 2012. 41(15): p. 5285-5312.
Tsang, A.C.H., H.Y. H. Kwok, and D.Y. C. Leung, The use of graphene based materials for fuel cell, photovoltaics, and supercapacitor electrode materials. Solid State Sciences, 2017. 67: p. A 1 -A14.
Zhu, Y., et al., Graphene and graphene oxide: synthesis, properties, and applications. Adv Mater, 2010. 22(35): p. 3906-24.
Ke, Q.W., J., Graphene-based materials for supercapacitor electrodes. Journal of Materiomics, 2016. 2(1): p. 37-54.
Bonaccorso, F., et al., Production and processing of graphene and 2d crystals. Materials Today, 2012. 15(12): p. 564-589.
Vedhanarayanan, B., et al., Exfoliation of Reduced Graphene Oxide with Self-Assembled pi-Gelators for Improved Electrochemical Performance. ACS Appl Mater Interfaces, 2017. 9(23): p. 19417-19426.
Weiss, N.O., et al., Graphene: an emerging electronic material. Adv Mater, 2012. 24(43): p. 5782- 825.
Li, Z.P., et al., Flexible graphene/MnO 2 composite papers for supercapacitor electrodes. Journal of Materials Chemistry, 2011. 21(38): p. 14706-14711.
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Materials described outside the worked examples.
partially oxidized graphene
free-standing graphene paper
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 is a series of scanning electron microscopy images of the graphene paper formed by the disclosed method. Panel (a) is an image of the graphene paper at …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
C:O ratio of free-standing graphene paper | ≥ 8 | free-standing graphene paper |
C:O ratio preferred range | ≥ 8.5 |
Related documents with shared materials, methods, properties, or citations.
graphite
C
phosphate-buffered saline
FIGS. 4A, 4B, 4C and 4D are various spectra of the graphene paper disclosed herein. Fig. 4A shows the FT-IR spectrum of the graphene paper (black trace) …
FIG. 5B is a cyclic voltammetry of the graphene paper at different scan rates in 1 M H 2 S O 4 at 1, 5, 10, 20, 30, 50 and 100 m V. Fig. 5 C is a galvanostatic …
FIG. 7A is a histogram reporting the absorption capacity of graphene paper made according to the method disclosed herein for various oils and organic solvents …
Temperature | 78–133 °C | — |
Voltage | 0–1 V | — |
Thickness | 1340–1343 cm | — |
Thickness | 1575–1587 cm | — |
Thickness | 2680–2703 cm | — |
graphite
C
phosphate-buffered saline
FIGS. 4A, 4B, 4C and 4D are various spectra of the graphene paper disclosed herein. Fig. 4A shows the FT-IR spectrum of the graphene paper (black trace) …
FIG. 5B is a cyclic voltammetry of the graphene paper at different scan rates in 1 M H 2 S O 4 at 1, 5, 10, 20, 30, 50 and 100 m V. Fig. 5 C is a galvanostatic …
FIG. 7A is a histogram reporting the absorption capacity of graphene paper made according to the method disclosed herein for various oils and organic solvents …
Temperature | 78–133 °C | — |
Voltage | 0–1 V | — |
Thickness | 1340–1343 cm | — |
Thickness | 1575–1587 cm | — |
Thickness | 2680–2703 cm | — |
graphite
C
phosphate-buffered saline
FIGS. 4A, 4B, 4C and 4D are various spectra of the graphene paper disclosed herein. Fig. 4A shows the FT-IR spectrum of the graphene paper (black trace) …
FIG. 5B is a cyclic voltammetry of the graphene paper at different scan rates in 1 M H 2 S O 4 at 1, 5, 10, 20, 30, 50 and 100 m V. Fig. 5 C is a galvanostatic …
FIG. 7A is a histogram reporting the absorption capacity of graphene paper made according to the method disclosed herein for various oils and organic solvents …
Temperature | 78–133 °C | — |
Voltage | 0–1 V | — |
Thickness | 1340–1343 cm | — |
Thickness | 1575–1587 cm | — |
Thickness | 2680–2703 cm | — |
graphite
C
phosphate-buffered saline
FIGS. 4A, 4B, 4C and 4D are various spectra of the graphene paper disclosed herein. Fig. 4A shows the FT-IR spectrum of the graphene paper (black trace) …
FIG. 5B is a cyclic voltammetry of the graphene paper at different scan rates in 1 M H 2 S O 4 at 1, 5, 10, 20, 30, 50 and 100 m V. Fig. 5 C is a galvanostatic …
FIG. 7A is a histogram reporting the absorption capacity of graphene paper made according to the method disclosed herein for various oils and organic solvents …
Temperature | 78–133 °C | — |
Voltage | 0–1 V | — |
Thickness | 1340–1343 cm | — |
Thickness | 1575–1587 cm | — |
Thickness | 2680–2703 cm | — |