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 lösungInfo
- 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
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract 5
- 239000007864 aqueous solution Substances 0.000 title abstract 5
- 229910002804 graphite Inorganic materials 0.000 title abstract 5
- 239000010439 graphite Substances 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title 1
- LDDQLRUQCUTJBB-UHFFFAOYSA-N ammonium fluoride Chemical compound [NH4+].[F-] LDDQLRUQCUTJBB-UHFFFAOYSA-N 0.000 title 1
- 238000004140 cleaning Methods 0.000 title 1
- 239000012535 impurity Substances 0.000 title 1
- 235000011149 sulphuric acid Nutrition 0.000 title 1
- 239000002245 particle Substances 0.000 abstract 4
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
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)
- Detergent Compositions (AREA)
- Secondary Cells (AREA)
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)
| 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 |
| KR102479739B1 (ko) | 2017-04-13 | 2022-12-23 | 엑카르트 게엠베하 | ZnO 나노입자 코팅된 박리된 흑연 복합체, 복합체의 제조 방법 및 Li-이온 전지에서의 용도 |
| 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 |
| KR20230011901A (ko) | 2020-05-18 | 2023-01-25 | 에코그라프 리미티드 | 정제 흑연의 제조 방법 |
| EP4107810A4 (de) | 2020-06-08 | 2024-03-20 | Ascend Elements, Inc. | Anodenrückgewinnung in altbatterien |
Family Cites Families (8)
| 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 |
| 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 |
| 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 |
| 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 |
-
2002
- 2002-03-01 CA CA002374132A patent/CA2374132A1/fr not_active Abandoned
-
2003
- 2003-02-12 US US10/506,212 patent/US20060062716A1/en not_active Abandoned
- 2003-02-12 ES ES03704116T patent/ES2315477T3/es not_active Expired - Lifetime
- 2003-02-12 WO PCT/CA2003/000209 patent/WO2003074419A1/fr not_active Ceased
- 2003-02-12 EP EP03704116A patent/EP1490299B1/de not_active Expired - Lifetime
- 2003-02-12 AU AU2003206515A patent/AU2003206515A1/en not_active Abandoned
- 2003-02-12 PT PT03704116T patent/PT1490299E/pt unknown
- 2003-02-12 JP JP2003572898A patent/JP2005526680A/ja active Pending
- 2003-02-12 AT AT03704116T patent/ATE415378T1/de active
- 2003-02-12 DE DE60324901T patent/DE60324901D1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE60324901D1 (de) | 2009-01-08 |
| AU2003206515A1 (en) | 2003-09-16 |
| ES2315477T3 (es) | 2009-04-01 |
| CA2374132A1 (fr) | 2003-09-01 |
| EP1490299A1 (de) | 2004-12-29 |
| WO2003074419A1 (fr) | 2003-09-12 |
| EP1490299B1 (de) | 2008-11-26 |
| PT1490299E (pt) | 2009-02-06 |
| JP2005526680A (ja) | 2005-09-08 |
| US20060062716A1 (en) | 2006-03-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification |
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