ATE415378T1 - Verfahren zur oberflächenreinigung von verunreinigungen enthaltendem graphit mittels einer nh4f und h2so4 enthaltenden wässrigen lösung - Google Patents

Verfahren zur oberflächenreinigung von verunreinigungen enthaltendem graphit mittels einer nh4f und h2so4 enthaltenden wässrigen lösung

Info

Publication number
ATE415378T1
ATE415378T1 AT03704116T AT03704116T ATE415378T1 AT E415378 T1 ATE415378 T1 AT E415378T1 AT 03704116 T AT03704116 T AT 03704116T AT 03704116 T AT03704116 T AT 03704116T AT E415378 T1 ATE415378 T1 AT E415378T1
Authority
AT
Austria
Prior art keywords
sub
aqueous solution
graphite
h2so4
surface cleaning
Prior art date
Application number
AT03704116T
Other languages
English (en)
Inventor
Karim Zaghib
Abdelbast Guerfi
Michel Armand
Claude Gagnon
Kimio Kinoshita
Original Assignee
Hydro Quebec
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 Hydro Quebec filed Critical Hydro Quebec
Application granted granted Critical
Publication of ATE415378T1 publication Critical patent/ATE415378T1/de

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light 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
    • C01B32/20—Graphite
    • C01B32/21—After-treatment
    • C01B32/215—Purification; Recovery or purification of graphite formed in iron making, e.g. kish graphite
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
  • Detergent Compositions (AREA)
AT03704116T 2002-03-01 2003-02-12 Verfahren zur oberflächenreinigung von verunreinigungen enthaltendem graphit mittels einer nh4f und h2so4 enthaltenden wässrigen lösung ATE415378T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002374132A CA2374132A1 (fr) 2002-03-01 2002-03-01 Procede de purification en surface d'un graphite contenant des impuretes a l'aide d'une solution aqueuse diluee de nh4f et de h2so4

Publications (1)

Publication Number Publication Date
ATE415378T1 true ATE415378T1 (de) 2008-12-15

Family

ID=27768287

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03704116T ATE415378T1 (de) 2002-03-01 2003-02-12 Verfahren zur oberflächenreinigung von verunreinigungen enthaltendem graphit mittels einer nh4f und h2so4 enthaltenden wässrigen lösung

Country Status (10)

Country Link
US (1) US20060062716A1 (de)
EP (1) EP1490299B1 (de)
JP (1) JP2005526680A (de)
AT (1) ATE415378T1 (de)
AU (1) AU2003206515A1 (de)
CA (1) CA2374132A1 (de)
DE (1) DE60324901D1 (de)
ES (1) ES2315477T3 (de)
PT (1) PT1490299E (de)
WO (1) WO2003074419A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100371244C (zh) * 2004-07-28 2008-02-27 汤世伟 石墨提纯工艺
CN101559943B (zh) * 2009-04-10 2011-02-16 文中华 石墨提纯装置
CN103449425B (zh) * 2013-08-30 2015-02-04 黑龙江科技大学 一种用碱酸-络合法提纯高碳天然鳞片石墨制备高纯石墨的方法
US10710094B2 (en) 2016-05-18 2020-07-14 Syrah Resources Ltd. Method and system for precision spheroidisation of graphite
US10710882B2 (en) 2016-06-27 2020-07-14 Syrah Resources Ltd. Purification process modeled for shape modified natural graphite particles
CN107887666B (zh) * 2016-09-29 2018-09-25 中国科学院过程工程研究所 一种废旧锂离子电池负极材料的回收方法
CN108654828A (zh) * 2017-03-28 2018-10-16 纳米石墨烯股份有限公司 用于石墨纯化的液基方法和设备
US11594723B2 (en) 2017-04-13 2023-02-28 Eckart Gmbh ZnO nanoparticle coated exfoliated graphite composite, method of producing composite and use in Li-ion battery
CN111137883B (zh) * 2020-01-09 2022-06-24 成都理工大学 一种天然石墨制备高纯石墨的方法
US11702342B2 (en) 2020-05-18 2023-07-18 Ecograf Limited Method of producing purified graphite
JP7749571B2 (ja) 2020-06-08 2025-10-06 アセンド エレメンツ，インコーポレイテッド 再生された電池におけるアノードの回収

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE125304C (de) * 1900-06-19
JP2752404B2 (ja) * 1989-01-10 1998-05-18 三菱化学株式会社 オレフィン重合用触媒
GB9217414D0 (en) * 1992-08-15 1992-09-30 British Nuclear Fuels Plc Removal of metal from graphite
US5756062A (en) * 1996-05-29 1998-05-26 Ucar Carbon Technology Corporation Chemically modified graphite for electrochemical cells
CA2307118A1 (fr) * 2000-04-28 2001-10-28 Hydro-Quebec Purification en surface du graphite naturel et utilisation du graphite purifie dans une anode carbone-lithium
CA2299626A1 (fr) * 2000-02-25 2001-08-25 Hydro-Quebec Purification en surface du graphite naturel et utilisation du graphite purifie dans une anode carbone-lithium
PT1257501E (pt) * 2000-02-25 2008-09-19 Hydro Quebec Purificação da superfície de grafite natural e efeito das impurezas sobre a moagem e a distribuição granulométrica
CA2324431A1 (fr) * 2000-10-25 2002-04-25 Hydro-Quebec Nouveau procede d'obtention de particule du graphite naturel sous forme spherique: modelisation et application

Also Published As

Publication number Publication date
PT1490299E (pt) 2009-02-06
DE60324901D1 (de) 2009-01-08
WO2003074419A1 (fr) 2003-09-12
ES2315477T3 (es) 2009-04-01
JP2005526680A (ja) 2005-09-08
US20060062716A1 (en) 2006-03-23
CA2374132A1 (fr) 2003-09-01
AU2003206515A1 (en) 2003-09-16
EP1490299A1 (de) 2004-12-29
EP1490299B1 (de) 2008-11-26

Similar Documents

Publication Publication Date Title
ATE452870T1 (de) (meth)acrylsaeurekristall und verfahren zur herstellung und aufreinigung von waessriger (meth)acrylsaeure
DE60324901D1 (de) Verfahren zur oberflächenreinigung von verunreinigungen enthaltendem graphit mittels einer nh4f und h2so4 enthaltenden wässrigen lösung
ATE276994T1 (de) Verfahren zur reinigung von milchsäure auf industrieller basis
ATE381963T1 (de) Verfahren zur herstellung von gereinigten partikeln
DE50102441D1 (de) Verfahren zur reinigung von trichlorsilan
ATE409178T1 (de) Verfahren zur produktion von iohexol hoher reinheit
DE60316791D1 (de) Verfahren zur aufreinigung von lanzoprazol
ATE115091T1 (de) Verfahren zur gipsreinigung.
DK0833684T3 (da) Fremgangsmåde til fjernelse af organiske bestanddele fra en vandig strøm
ATE492515T1 (de) Verfahren und vorrichtung zur reinigung von luft und wasser
ATE306310T1 (de) Verfahren zur reinigung von luft, vorrichtung zur reinigung von luft und mit dieser vorrichtung versehenes gebäude
ATE334938T1 (de) Verfahren zur herstellung von organohalogensilanen aus amorphem silizium
ATE156725T1 (de) Verfahren zur reinigung von kondensierbaren organischen verunreinigungen enthaltenden gasen
DE50106142D1 (de) Verfahren zur entfernung von aluminium aus chlorsilanen
ATE222619T1 (de) Verfahren und vorrichtung zur flotation von störstoffen aus einer wässrigen faserstoffsuspension
ATE501730T1 (de) Verfahren zur behandlung von psoriasis unter verwendung eines il-17d antagonisten
ATE332905T1 (de) Verfahren zur herstellung von acylphosphinoxiden
DE59001663D1 (de) Verfahren zur reinigung von abgas mit hohem chloridgehalt.
ATE335532T1 (de) Verfahren zur abtrennung von wasser aus ammoniak
DE50309734D1 (de) Verfahren zur herstellung von halosilanen unter mikrowellenenergiebeaufschlagung
ATE254950T1 (de) Verfahren zur reinigung wässriger pufferlösungen
DE60324458D1 (de) Verfahren und apparat zum anreichern und zur aufreinigung von nukleinsäure
DE50303744D1 (de) Verfahren zur reinigung von liponsäure
ATE297385T1 (de) Verfahren zur reinigung von 2-chlor-5- chlormethylthiazol
DE60030435D1 (de) Verfahren zum austausch und zur freisetzung von aminen aus ihrem carbamoylfluorid

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 1490299

Country of ref document: EP