Title:
METHOD FOR RECOVERING COBALT AND LITHIUM FROM POSITIVE ELECTRODE MATERIAL OF SPENT LITHIUM COBALT OXIDE BATTERY
Document Type and Number:
WIPO Patent Application WO/2018/113477
Kind Code:
A1
Abstract:
Provided is a method for recovering cobalt and lithium from a positive electrode material of a spent lithium cobalt oxide battery. Sodium hydrogen sulphate is mixed with the positive electrode material of the spent lithium cobalt oxide battery, the mixture is subjected to high temperature calcination, and then water is added for leaching, and a sulphate solution comprising cobalt and lithium elements is obtained by filtration.
Inventors:
GUO YONGXING (CN)
ZHU HONGSHUAI (CN)
WANG YINGCHUN (CN)
ZENG XIAOMAO (CN)
OUYANG HONGYONG (CN)
LIU JINLIAN (CN)
FAN LEI (CN)
LIU ZHICHENG (CN)
ZHU HONGSHUAI (CN)
WANG YINGCHUN (CN)
ZENG XIAOMAO (CN)
OUYANG HONGYONG (CN)
LIU JINLIAN (CN)
FAN LEI (CN)
LIU ZHICHENG (CN)
Application Number:
PCT/CN2017/113056
Publication Date:
June 28, 2018
Filing Date:
November 27, 2017
Export Citation:
Assignee:
JIANGXI H ZONE LITHIUM TECH LTD (CN)
International Classes:
C22B7/00; C22B1/02; C22B23/00; C22B26/12; H01M10/54
Foreign References:
| CN106591584A | 2017-04-26 | |||
| CN104466292A | 2015-03-25 | |||
| CN102163760A | 2011-08-24 | |||
| CN102199705A | 2011-09-28 | |||
| CN103326088A | 2013-09-25 | |||
| JP2004011010A | 2004-01-15 | |||
| JP2013064177A | 2013-04-11 |
Attorney, Agent or Firm:
BEIJING GENIUS GUARD INTELLECTUAL PROPERTY AGENT LTD. (CN)
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