Title:
METHOD FOR PREPARATION OF POWER-TYPE NICKEL COBALT MANGANATE LITHIUM POSITIVE ELECTRODE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2015/131745
Kind Code:
A1
Abstract:
A method for preparation of a power-type nickel cobalt manganate lithium positive electrode material; first, dissolving in an organic solvent a portion of the lithium source, nickel, cobalt, and manganese source, then dissolving in water a portion of the lithium source, while at the same time performing granulation by means of a dual-nozzle pyrolysis furnace, and mixing in the furnace; then sintering the mixed powder at high temperature to obtain the nickel cobalt manganate lithium positive electrode material. This preparation process does not produce NH4
+ or Na+ ions, thus substantially mitigating pollution of the environment; the obtained nickel cobalt manganate lithium material has good sphericity and its components are uniformly distributed; tap density is high, cycling stability is excellent during the charge/discharge cycle, and specific discharge capacity at the first discharge is significantly increased.
Inventors:
XIE YINGHAO (CN)
YU HAIJUN (CN)
LI CHANGDONG (CN)
YU HAIJUN (CN)
LI CHANGDONG (CN)
Application Number:
PCT/CN2015/072620
Publication Date:
September 11, 2015
Filing Date:
February 10, 2015
Export Citation:
Assignee:
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD (CN)
HUNAN BRUNP RECYCLING TECHNOLOGY CO LTD (CN)
HUNAN BRUNP END OF LIFE VEHICLES RECYCLING CO LTD (CN)
HUNAN BRUNP RECYCLING TECHNOLOGY CO LTD (CN)
HUNAN BRUNP END OF LIFE VEHICLES RECYCLING CO LTD (CN)
International Classes:
H01M4/505; H01M4/525
Foreign References:
| CN103904319A | 2014-07-02 | |||
| CN102956884A | 2013-03-06 | |||
| CN102300806A | 2011-12-28 | |||
| CN103000893A | 2013-03-27 | |||
| CN102583579A | 2012-07-18 | |||
| CN103094546A | 2013-05-08 | |||
| US20110229751A1 | 2011-09-22 |
Attorney, Agent or Firm:
JIAQUAN IP LAW FIRM (CN)
广州嘉权专利商标事务所有限公司 (CN)
广州嘉权专利商标事务所有限公司 (CN)
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