CN1702892A - Composite graphite negative electrode material for lithium ion secondary cell and its preparation method - Google Patents
Composite graphite negative electrode material for lithium ion secondary cell and its preparation method Download PDFInfo
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- CN1702892A CN1702892A CNA2005100343290A CN200510034329A CN1702892A CN 1702892 A CN1702892 A CN 1702892A CN A2005100343290 A CNA2005100343290 A CN A2005100343290A CN 200510034329 A CN200510034329 A CN 200510034329A CN 1702892 A CN1702892 A CN 1702892A
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- graphite
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- lithium rechargeable
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- 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
Abstract
Description
Sequence number | Coated graphite: Delanium | Initial charge specific capacity mAh/g | First discharge specific capacity mAh/g | First charge-discharge efficiency % | 100 all circulation volume conservation rate % | Heavy-current discharge performance C 2C/C 0.5C??% |
Embodiment 1 | ??50∶50 | ??383 | ??359 | ??93.7 | ??94.2 | ??93.8 |
Embodiment 2 | ??30∶70 | ??389 | ??351 | ??89.3 | ??95.3 | ??93.1 |
Embodiment 3 | ??40∶60 | ??379 | ??349 | ??92.1 | ??95.8 | ??91.9 |
Embodiment 4 | ??60∶40 | ??383 | ??355 | ??92.6 | ??95.7 | ??93.7 |
Embodiment 5 | ??80∶20 | ??389 | ??363 | ??93.4 | ??96.2 | ??95.4 |
Comparative example 1 | ??100∶0 | ??385 | ??360 | ??93.5 | ??91.0 | ??91.5 |
Comparative example 2 | ??0∶100 | ??353 | ??322 | ??91.2 | ??95.4 | ??90.1 |
Comparative example 3 | Not 50 (not coating): 50 | ??389 | ??345 | ??88.7 | ??83.2 | ??82.1 |
Claims (10)
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CN100413127C (en) * | 2006-04-07 | 2008-08-20 | 清华大学 | Carbonaceous lithium ion battery negative electrode material with nuclear shell structure and producing method thereof |
CN101604743A (en) * | 2009-07-24 | 2009-12-16 | 长春锂源新能源科技有限公司 | Composite cathode material for lithium ion cell and preparation method |
CN102237513A (en) * | 2010-04-29 | 2011-11-09 | Tcl集团股份有限公司 | Negative active material and preparation method thereof as well as negative electrode and lithium battery using negative active material |
CN102340025A (en) * | 2010-07-15 | 2012-02-01 | 惠州泰科立集团股份有限公司 | Lithium ion battery and production method thereof |
CN102485648A (en) * | 2010-12-03 | 2012-06-06 | 上海杉杉科技有限公司 | Modified graphite, composite graphite material containing the modified graphite and their preparation methods and application |
CN102779988A (en) * | 2012-08-06 | 2012-11-14 | 常州大学 | Composite negative electrode material coating modification method of lithium ion battery |
CN102887509A (en) * | 2012-10-11 | 2013-01-23 | 天津市贝特瑞新能源科技有限公司 | Artificial graphite cathode material and preparation method and application thereof |
CN103460459A (en) * | 2011-03-30 | 2013-12-18 | 三菱化学株式会社 | Carbon material and negative electrode for nonaqueous secondary battery and nonaqueous secondary battery |
CN104364193A (en) * | 2012-04-05 | 2015-02-18 | 英默里斯石墨及活性炭瑞士有限公司 | Surface-modified low surface area graphite, processes for making it, and applications of the same |
CN105244485A (en) * | 2015-10-28 | 2016-01-13 | 东莞市凯金新能源科技有限公司 | High capacity and high magnification composite graphite material for lithium ion battery and preparation method thereof |
CN105449162A (en) * | 2015-01-28 | 2016-03-30 | 万向A一二三***有限公司 | Anode material for lithium-ion battery and negative plate of anode material |
CN106744916A (en) * | 2016-12-21 | 2017-05-31 | 上海杉杉科技有限公司 | A kind of method of modifying of high rate lithium ionic cell cathode material |
CN107871854A (en) * | 2016-09-27 | 2018-04-03 | 宁波杉杉新材料科技有限公司 | A kind of preparation method of graphite negative material of lithium ion battery second particle |
CN109449428A (en) * | 2018-12-05 | 2019-03-08 | 中南大学 | A kind of nitrogen-doped carbon cladding admixed graphite composite material and preparation method and the application in lithium ion battery |
CN109830645A (en) * | 2018-12-18 | 2019-05-31 | 深圳市卓能新能源股份有限公司 | Battery anode slice and its manufacturing method and lithium battery and its manufacturing method |
CN111244450A (en) * | 2018-11-29 | 2020-06-05 | 贝特瑞新材料集团股份有限公司 | Natural graphite, modified natural graphite material prepared from natural graphite, preparation method and application |
CN111602274A (en) * | 2018-02-26 | 2020-08-28 | 株式会社Lg化学 | Negative electrode active material for lithium secondary battery, and negative electrode for lithium secondary battery and lithium secondary battery comprising same |
CN111785937A (en) * | 2019-04-04 | 2020-10-16 | 贝特瑞新材料集团股份有限公司 | Carbon-based composite negative electrode material, preparation method thereof and lithium ion battery |
CN112490443A (en) * | 2019-09-12 | 2021-03-12 | 宁波杉杉新材料科技有限公司 | Liquid-phase-coated graphite negative electrode material and preparation method thereof |
CN112542578A (en) * | 2020-12-24 | 2021-03-23 | 大连宏光锂业股份有限公司 | Composite graphite cathode material of lithium ion battery and preparation method thereof |
CN112599748A (en) * | 2020-12-14 | 2021-04-02 | 河南环宇惠能能源有限公司 | Soft package lithium power battery and preparation method thereof |
CN113437251A (en) * | 2021-06-21 | 2021-09-24 | 宁德新能源科技有限公司 | Negative electrode active material, electrochemical device, and electronic device |
CN114914421A (en) * | 2022-05-20 | 2022-08-16 | 广东凯金新能源科技股份有限公司 | Polymer-coated natural graphite negative electrode material and preparation method and application thereof |
CN114956055A (en) * | 2022-06-10 | 2022-08-30 | 湖南元锂新材料科技有限公司 | Preparation process of high-capacity lithium ion battery cathode material |
WO2023044625A1 (en) * | 2021-09-22 | 2023-03-30 | 宁德时代新能源科技股份有限公司 | Composite artificial graphite and preparation method therefor, secondary battery containing composite artificial graphite, and power-consuming apparatus |
CN115995597A (en) * | 2023-03-22 | 2023-04-21 | 宁德新能源科技有限公司 | Secondary battery and electronic device |
CN116022783A (en) * | 2023-01-09 | 2023-04-28 | 南阳天成新能源科技有限公司 | Modified graphite negative electrode material and preparation method and application thereof |
CN117317201A (en) * | 2023-11-30 | 2023-12-29 | 中国第一汽车股份有限公司 | Carbon-coated graphite negative electrode material and lithium ion battery |
CN114914421B (en) * | 2022-05-20 | 2024-05-03 | 广东凯金新能源科技股份有限公司 | Polymer-coated natural graphite anode material and preparation method and application thereof |
Families Citing this family (1)
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Family Cites Families (5)
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JP3069509B2 (en) * | 1995-04-10 | 2000-07-24 | 株式会社日立製作所 | Non-aqueous secondary battery and method for producing graphite powder |
JPH1012217A (en) * | 1996-06-26 | 1998-01-16 | Mitsubishi Pencil Co Ltd | Negative electrode for lithium ion secondary battery |
JP3779461B2 (en) * | 1998-01-30 | 2006-05-31 | 日立化成工業株式会社 | Lithium secondary battery, negative electrode thereof and method for producing the same |
CN1259740C (en) * | 2003-05-20 | 2006-06-14 | 比亚迪股份有限公司 | A lithium ion secondary battery |
CN1547278A (en) * | 2003-12-12 | 2004-11-17 | 天津大学 | Putamen type carbon cathode material for lithium ion secondary battery and preparation method thereof |
-
2005
- 2005-04-20 CN CNB2005100343290A patent/CN100347887C/en active Active
Cited By (38)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100413127C (en) * | 2006-04-07 | 2008-08-20 | 清华大学 | Carbonaceous lithium ion battery negative electrode material with nuclear shell structure and producing method thereof |
CN101604743A (en) * | 2009-07-24 | 2009-12-16 | 长春锂源新能源科技有限公司 | Composite cathode material for lithium ion cell and preparation method |
CN102237513A (en) * | 2010-04-29 | 2011-11-09 | Tcl集团股份有限公司 | Negative active material and preparation method thereof as well as negative electrode and lithium battery using negative active material |
CN102340025A (en) * | 2010-07-15 | 2012-02-01 | 惠州泰科立集团股份有限公司 | Lithium ion battery and production method thereof |
CN102485648A (en) * | 2010-12-03 | 2012-06-06 | 上海杉杉科技有限公司 | Modified graphite, composite graphite material containing the modified graphite and their preparation methods and application |
CN102485648B (en) * | 2010-12-03 | 2014-08-06 | 上海杉杉科技有限公司 | Modified graphite, composite graphite material containing the modified graphite and their preparation methods and application |
CN103460459B (en) * | 2011-03-30 | 2016-01-20 | 三菱化学株式会社 | Non-aqueous secondary battery material with carbon element and negative pole and non-aqueous secondary battery |
CN103460459A (en) * | 2011-03-30 | 2013-12-18 | 三菱化学株式会社 | Carbon material and negative electrode for nonaqueous secondary battery and nonaqueous secondary battery |
CN104364193B (en) * | 2012-04-05 | 2017-08-01 | 英默里斯石墨及活性炭瑞士有限公司 | Surface be modified low surface area graphite, prepare its method and its application |
CN104364193A (en) * | 2012-04-05 | 2015-02-18 | 英默里斯石墨及活性炭瑞士有限公司 | Surface-modified low surface area graphite, processes for making it, and applications of the same |
CN102779988A (en) * | 2012-08-06 | 2012-11-14 | 常州大学 | Composite negative electrode material coating modification method of lithium ion battery |
CN102779988B (en) * | 2012-08-06 | 2016-04-27 | 常州大学 | A kind of method of modifying of composite cathode material for lithium ion cell plated film |
CN102887509A (en) * | 2012-10-11 | 2013-01-23 | 天津市贝特瑞新能源科技有限公司 | Artificial graphite cathode material and preparation method and application thereof |
CN105449162A (en) * | 2015-01-28 | 2016-03-30 | 万向A一二三***有限公司 | Anode material for lithium-ion battery and negative plate of anode material |
CN105449162B (en) * | 2015-01-28 | 2018-05-18 | 万向一二三股份公司 | A kind of cathode material of lithium ion battery and its negative plate |
CN105244485A (en) * | 2015-10-28 | 2016-01-13 | 东莞市凯金新能源科技有限公司 | High capacity and high magnification composite graphite material for lithium ion battery and preparation method thereof |
CN107871854A (en) * | 2016-09-27 | 2018-04-03 | 宁波杉杉新材料科技有限公司 | A kind of preparation method of graphite negative material of lithium ion battery second particle |
CN106744916A (en) * | 2016-12-21 | 2017-05-31 | 上海杉杉科技有限公司 | A kind of method of modifying of high rate lithium ionic cell cathode material |
CN111602274A (en) * | 2018-02-26 | 2020-08-28 | 株式会社Lg化学 | Negative electrode active material for lithium secondary battery, and negative electrode for lithium secondary battery and lithium secondary battery comprising same |
CN111244450A (en) * | 2018-11-29 | 2020-06-05 | 贝特瑞新材料集团股份有限公司 | Natural graphite, modified natural graphite material prepared from natural graphite, preparation method and application |
CN109449428A (en) * | 2018-12-05 | 2019-03-08 | 中南大学 | A kind of nitrogen-doped carbon cladding admixed graphite composite material and preparation method and the application in lithium ion battery |
CN109830645A (en) * | 2018-12-18 | 2019-05-31 | 深圳市卓能新能源股份有限公司 | Battery anode slice and its manufacturing method and lithium battery and its manufacturing method |
CN111785937A (en) * | 2019-04-04 | 2020-10-16 | 贝特瑞新材料集团股份有限公司 | Carbon-based composite negative electrode material, preparation method thereof and lithium ion battery |
CN111785937B (en) * | 2019-04-04 | 2023-06-30 | 贝特瑞新材料集团股份有限公司 | Carbon-based composite negative electrode material, preparation method thereof and lithium ion battery |
CN112490443A (en) * | 2019-09-12 | 2021-03-12 | 宁波杉杉新材料科技有限公司 | Liquid-phase-coated graphite negative electrode material and preparation method thereof |
CN112599748A (en) * | 2020-12-14 | 2021-04-02 | 河南环宇惠能能源有限公司 | Soft package lithium power battery and preparation method thereof |
CN112542578A (en) * | 2020-12-24 | 2021-03-23 | 大连宏光锂业股份有限公司 | Composite graphite cathode material of lithium ion battery and preparation method thereof |
CN112542578B (en) * | 2020-12-24 | 2023-09-22 | 大连宏光锂业有限责任公司 | Composite graphite negative electrode material of lithium ion battery and preparation method thereof |
CN113437251A (en) * | 2021-06-21 | 2021-09-24 | 宁德新能源科技有限公司 | Negative electrode active material, electrochemical device, and electronic device |
WO2023044625A1 (en) * | 2021-09-22 | 2023-03-30 | 宁德时代新能源科技股份有限公司 | Composite artificial graphite and preparation method therefor, secondary battery containing composite artificial graphite, and power-consuming apparatus |
CN114914421A (en) * | 2022-05-20 | 2022-08-16 | 广东凯金新能源科技股份有限公司 | Polymer-coated natural graphite negative electrode material and preparation method and application thereof |
CN114914421B (en) * | 2022-05-20 | 2024-05-03 | 广东凯金新能源科技股份有限公司 | Polymer-coated natural graphite anode material and preparation method and application thereof |
CN114956055A (en) * | 2022-06-10 | 2022-08-30 | 湖南元锂新材料科技有限公司 | Preparation process of high-capacity lithium ion battery cathode material |
CN116022783A (en) * | 2023-01-09 | 2023-04-28 | 南阳天成新能源科技有限公司 | Modified graphite negative electrode material and preparation method and application thereof |
CN116022783B (en) * | 2023-01-09 | 2023-08-08 | 南阳天成新能源科技有限公司 | Modified graphite negative electrode material and preparation method and application thereof |
CN115995597A (en) * | 2023-03-22 | 2023-04-21 | 宁德新能源科技有限公司 | Secondary battery and electronic device |
CN117317201A (en) * | 2023-11-30 | 2023-12-29 | 中国第一汽车股份有限公司 | Carbon-coated graphite negative electrode material and lithium ion battery |
CN117317201B (en) * | 2023-11-30 | 2024-03-15 | 中国第一汽车股份有限公司 | Carbon-coated graphite negative electrode material and lithium ion battery |
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