GB2503838A - Electrolytic exfoliation of graphite - Google Patents

Electrolytic exfoliation of graphite Download PDF

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Publication number
GB2503838A
GB2503838A GB1317934.6A GB201317934A GB2503838A GB 2503838 A GB2503838 A GB 2503838A GB 201317934 A GB201317934 A GB 201317934A GB 2503838 A GB2503838 A GB 2503838A
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GB
United Kingdom
Prior art keywords
graphite
electrolytic
technique
exfoliation
electrolytic exfoliation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB1317934.6A
Other versions
GB2503838B (en
GB201317934D0 (en
Inventor
Christopher Stirling
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Morganite Electrical Carbon Ltd
Original Assignee
Morganite Electrical Carbon Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Morganite Electrical Carbon Ltd filed Critical Morganite Electrical Carbon Ltd
Publication of GB201317934D0 publication Critical patent/GB201317934D0/en
Publication of GB2503838A publication Critical patent/GB2503838A/en
Application granted granted Critical
Publication of GB2503838B publication Critical patent/GB2503838B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/15—Nano-sized carbon materials
    • C01B32/182—Graphene
    • C01B32/184—Preparation
    • C01B32/19—Preparation by exfoliation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/20—Graphite
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/20—Graphite
    • C01B32/21—After-treatment
    • C01B32/22—Intercalation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/20—Graphite
    • C01B32/21—After-treatment
    • C01B32/22—Intercalation
    • C01B32/225—Expansion; Exfoliation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Electrochemistry (AREA)
  • Nanotechnology (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

An electrolytic technique for exfoliation of graphite is presented. The electrolytic technique utilises a previously disclosed electrode material to yield unexpected results. Intercalated graphite particles comprising a gradation of expansion may be produced according to the technique.
GB1317934.6A 2011-03-10 2012-03-05 Electrolytic exfoliation of graphite Active GB2503838B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1104078.9A GB2488825A (en) 2011-03-10 2011-03-10 Electrolytic exfoliation of graphite
PCT/GB2012/050487 WO2012120291A1 (en) 2011-03-10 2012-03-05 Electrolytic exfoliation of graphite

Publications (3)

Publication Number Publication Date
GB201317934D0 GB201317934D0 (en) 2013-11-27
GB2503838A true GB2503838A (en) 2014-01-08
GB2503838B GB2503838B (en) 2017-10-25

Family

ID=43980774

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1104078.9A Withdrawn GB2488825A (en) 2011-03-10 2011-03-10 Electrolytic exfoliation of graphite
GB1317934.6A Active GB2503838B (en) 2011-03-10 2012-03-05 Electrolytic exfoliation of graphite

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB1104078.9A Withdrawn GB2488825A (en) 2011-03-10 2011-03-10 Electrolytic exfoliation of graphite

Country Status (2)

Country Link
GB (2) GB2488825A (en)
WO (1) WO2012120291A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9309124B2 (en) 2010-06-25 2016-04-12 National University Of Singapore Methods of forming graphene by graphite exfoliation
GB2523154B (en) * 2014-02-14 2016-04-27 Cambridge Entpr Ltd Method of producing graphene
EP2933356A1 (en) * 2014-04-17 2015-10-21 Basf Se Two-dimensional carbon materials prepared by electrochemical exfoliation
CN105088261B (en) * 2014-05-14 2017-10-20 国能纳米科技有限公司 The preparation method of graphene
CN104264178B (en) * 2014-09-17 2016-11-30 中国科学院青海盐湖研究所 A kind of electrocatalytic oxidation prepares the method for graphene oxide
CN104264179B (en) * 2014-09-17 2016-06-22 中国科学院山西煤炭化学研究所 A kind of method being prepared Graphene by graphite raw ore electrolysis
CN104894594A (en) * 2015-05-26 2015-09-09 广东烛光新能源科技有限公司 Graphene preparation method
CN106542525B (en) * 2016-10-27 2018-09-11 董兰田 Continuous adhesive tape legal system takes stripping degumming and the packing method of graphene
JP7148396B2 (en) * 2017-06-15 2022-10-05 積水化学工業株式会社 Carbon materials, electrode materials for power storage devices, and power storage devices
DE102017223892A1 (en) * 2017-12-29 2019-07-04 Sixonia Tech Gmbh Process for the preparation of a functionalized semiconductor or conductor material and its use
CN111453719B (en) * 2020-04-24 2022-05-24 湖北航天化学技术研究所 High-quality graphene and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6406612B1 (en) * 1999-05-20 2002-06-18 Graftech Inc. Expandable graphite and method
US20040131533A1 (en) * 2001-05-03 2004-07-08 Spacie Christopher John Extrusion of graphite bodies
US7658901B2 (en) * 2005-10-14 2010-02-09 The Trustees Of Princeton University Thermally exfoliated graphite oxide

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004181383A (en) * 2002-12-04 2004-07-02 Nippon Telegr & Teleph Corp <Ntt> Carbon material for storing hydrogen
DE10328342B4 (en) * 2003-06-24 2006-05-04 Graphit Kropfmühl AG Process for producing expanded graphite, expanded graphite and use
GB2432830A (en) * 2005-12-02 2007-06-06 Morganite Elect Carbon Formation of thermally anisotropic carbon material
US8524067B2 (en) 2007-07-27 2013-09-03 Nanotek Instruments, Inc. Electrochemical method of producing nano-scaled graphene platelets
US7999027B2 (en) * 2009-08-20 2011-08-16 Nanotek Instruments, Inc. Pristine nano graphene-modified tires

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6406612B1 (en) * 1999-05-20 2002-06-18 Graftech Inc. Expandable graphite and method
US20040131533A1 (en) * 2001-05-03 2004-07-08 Spacie Christopher John Extrusion of graphite bodies
US7658901B2 (en) * 2005-10-14 2010-02-09 The Trustees Of Princeton University Thermally exfoliated graphite oxide

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ACS Nano, Vol. 5, 2011, Ching-Yuan et al., "High-quality thin graphene films from fast electrochemical exfoliation", pp. 2332 - 2339. *
Electrochemistry Communications, Vol. 12, 2010, Lee et al. "A graphite foil electrode covered with electrochemically exfoliated graphene nanosheets', pp. 1419 - 1422. *
Journal of Nanoscience and Nanotechnology, Vol. 11, 2011, Geng et al., "Effects of stage, intercalant species and expansion technique on exfoliation of graphite intercalation compound in graphene sheets", pp. 1084 - 1091. *

Also Published As

Publication number Publication date
GB2503838B (en) 2017-10-25
WO2012120291A4 (en) 2012-12-13
WO2012120291A1 (en) 2012-09-13
GB201317934D0 (en) 2013-11-27
GB2488825A (en) 2012-09-12
GB201104078D0 (en) 2011-04-27

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