CN101431154A - Lithium titanate/C composite electrode material and method for producing the same - Google Patents
Lithium titanate/C composite electrode material and method for producing the same Download PDFInfo
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- CN101431154A CN101431154A CNA2008103065271A CN200810306527A CN101431154A CN 101431154 A CN101431154 A CN 101431154A CN A2008103065271 A CNA2008103065271 A CN A2008103065271A CN 200810306527 A CN200810306527 A CN 200810306527A CN 101431154 A CN101431154 A CN 101431154A
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- lithium
- electrode material
- combination electrode
- polymeric carboxylic
- lithium titanate
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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
Claims (10)
- [claim 1] lithium titanate/C combination electrode material is characterized in that: it is to be the titanium source with titanium dioxide, and the polymeric carboxylic lithium salts is lithium source and carbon source, is prepared from by 600 ℃~900 ℃ solid phase reactions, and wherein C content is 1.0~15.0wt%.
- [claim 2] lithium titanate according to claim 1/C combination electrode material is characterized in that: C content is 3.0~6.0%.
- [claim 3] lithium titanate according to claim 1 and 2/C combination electrode material is characterized in that:Described titanium dioxide is anatase crystal, and diameter of particle is 0.01~5.00 μ m; Described polymeric carboxylic lithium salts is meant the lithium salts that the water soluble polymer carboxylic acid forms.
- [claim 4] lithium titanate according to claim 3/C combination electrode material, it is characterized in that: described polymeric carboxylic lithium salts is: Lithium polyacrylate, polymethylacrylic acid lithium, poly lithium or their copolymer, average molecular weight range are 2000~100000.
- [claim 5] lithium titanate according to claim 4/C combination electrode material is characterized in that:The average molecular weight range of described polymeric carboxylic lithium salts is 5000~20000.
- [claim 6] prepares the method for claim 1 or 2 described lithium titanate/C combination electrode materials, it is characterized in that:A, preparation polymeric carboxylic lithium salts: in the polymeric carboxylic aqueous solution, add LiOHH 2O carries out neutralization reaction, obtains the aqueous solution of polymeric carboxylic lithium salts;B, in lithium: titanium mol ratio is 4.0~4.2: 5 ratio, will add titanium dioxide in the polymeric carboxylic Aqueous Lithium Salts and mix, and adopts mechanical mixture to mill to make it to reach fully and is uniformly dispersed, and drying obtains presoma;C, presoma carry out 4~24 hours synthetic L of solid phase reaction under 600 ℃~900 ℃ inert atmosphere protections I4T I5O 12/ C combination electrode material.
- [claim 7] method for preparing lithium titanate/C combination electrode material according to claim 6 is characterized in that:The described polymeric carboxylic lithium salts of a step is Lithium polyacrylate, polymethylacrylic acid lithium, poly lithium or their copolymer, and average molecular weight range is 2000~100000;The described titanium dioxide of b step is anatase crystal, and diameter of particle is 0.01~5.00 μ m.
- [claim 8] method for preparing lithium titanate/C combination electrode material according to claim 7, it is characterized in that: the average molecular weight range of described polymeric carboxylic lithium salts is 5000~20000.
- [claim 9] method for preparing lithium titanate/C combination electrode material according to claim 6 is characterized in that:The described mechanical mixture milling of b step is ball milling, colloid mill or sand milling.
- [claim 10] method for preparing lithium titanate/C combination electrode material according to claim 6 is characterized in that:The described inert protective atmosphere of c step is nitrogen or argon gas; The temperature of solid phase reaction is 750 ℃~850 ℃; Reaction time is 10~18 hours.
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CN101431154B CN101431154B (en) | 2010-10-13 |
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Cited By (9)
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CN102299333A (en) * | 2011-07-14 | 2011-12-28 | 上海微纳科技有限公司 | Preparation method of carbon coated Li4Ti5O12 nano cathode material |
CN102496704A (en) * | 2011-12-08 | 2012-06-13 | 中信国安盟固利电源技术有限公司 | Lithium titanate/titanium black anode material and preparation method thereof |
CN102770989A (en) * | 2009-12-22 | 2012-11-07 | 石原产业株式会社 | Lithium titanate, manufacturing method therefor, slurry used in said manufacturing method, electrode active material containing said lithium titanate, and lithium secondary battery using said electrode active material |
CN103872305A (en) * | 2014-03-24 | 2014-06-18 | 四川兴能新材料有限公司 | Preparation method of polyelectrolyte coated Li4Ti5O12 negative electrode material |
CN104466152A (en) * | 2014-12-02 | 2015-03-25 | 赵县强能电源有限公司 | Preparation method of lithium ion battery cathode material (lithium titanate) |
CN104882589A (en) * | 2015-05-28 | 2015-09-02 | 清华大学深圳研究生院 | Carbon-coated ternary anode material and preparing method thereof, and lithium ion battery |
CN104993118A (en) * | 2015-06-16 | 2015-10-21 | 田东 | Synthesizing method for lithium-ion negative electrode material of Li4Ti5O12/C |
CN110534730A (en) * | 2019-08-26 | 2019-12-03 | 高朗科技(湖州)有限公司 | The preparation method of lithium titanate material |
CN114171733A (en) * | 2021-11-30 | 2022-03-11 | 中国科学院过程工程研究所 | Coated lithium ion battery anode material and preparation method and application thereof |
-
2008
- 2008-12-25 CN CN2008103065271A patent/CN101431154B/en active Active
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102770989B (en) * | 2009-12-22 | 2016-01-13 | 石原产业株式会社 | Slurry used in lithium titanate, its manufacture method, described manufacture method, the electrode active material containing described lithium titanate and use the lithium secondary battery of described electrode active material |
CN102770989A (en) * | 2009-12-22 | 2012-11-07 | 石原产业株式会社 | Lithium titanate, manufacturing method therefor, slurry used in said manufacturing method, electrode active material containing said lithium titanate, and lithium secondary battery using said electrode active material |
CN102299333A (en) * | 2011-07-14 | 2011-12-28 | 上海微纳科技有限公司 | Preparation method of carbon coated Li4Ti5O12 nano cathode material |
CN102496704A (en) * | 2011-12-08 | 2012-06-13 | 中信国安盟固利电源技术有限公司 | Lithium titanate/titanium black anode material and preparation method thereof |
CN102496704B (en) * | 2011-12-08 | 2014-04-23 | 中信国安盟固利电源技术有限公司 | Lithium titanate/titanium black anode material and preparation method thereof |
CN103872305B (en) * | 2014-03-24 | 2016-01-20 | 四川兴能新材料有限公司 | The coated Li of polyelectrolyte 4ti 5o 12the preparation method of negative material |
CN103872305A (en) * | 2014-03-24 | 2014-06-18 | 四川兴能新材料有限公司 | Preparation method of polyelectrolyte coated Li4Ti5O12 negative electrode material |
CN104466152A (en) * | 2014-12-02 | 2015-03-25 | 赵县强能电源有限公司 | Preparation method of lithium ion battery cathode material (lithium titanate) |
CN104466152B (en) * | 2014-12-02 | 2018-02-23 | 赵县强能电源有限公司 | A kind of preparation method of lithium ionic cell cathode material lithium titanate |
CN104882589A (en) * | 2015-05-28 | 2015-09-02 | 清华大学深圳研究生院 | Carbon-coated ternary anode material and preparing method thereof, and lithium ion battery |
CN104882589B (en) * | 2015-05-28 | 2017-03-22 | 清华大学深圳研究生院 | Carbon-coated ternary anode material and preparing method thereof, and lithium ion battery |
CN104993118A (en) * | 2015-06-16 | 2015-10-21 | 田东 | Synthesizing method for lithium-ion negative electrode material of Li4Ti5O12/C |
CN110534730A (en) * | 2019-08-26 | 2019-12-03 | 高朗科技(湖州)有限公司 | The preparation method of lithium titanate material |
CN114171733A (en) * | 2021-11-30 | 2022-03-11 | 中国科学院过程工程研究所 | Coated lithium ion battery anode material and preparation method and application thereof |
CN114171733B (en) * | 2021-11-30 | 2024-02-13 | 中国科学院过程工程研究所 | Coated lithium ion battery positive electrode material and preparation method and application thereof |
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CN101431154B (en) | 2010-10-13 |
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Address after: 611430 75 Xinghua 6 Road Industrial Park, Deng Shuang Town, Xinjin, Chengdu, Sichuan Patentee after: Sichuan Yindile Materials Science and Technology Group Co., Ltd. Address before: 611430 75 Xinghua 6 Road Industrial Park, Deng Shuang Town, Xinjin, Chengdu, Sichuan Patentee before: Chengdu Zhongke Laifang Energy Technology Co., Ltd. |
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