Title:
METHOD FOR PREPARING LITHIUM COBALTATE SOFT PACK BATTERY AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/193782
Kind Code:
A1
Abstract:
The present invention belongs to the technical field of batteries, and disclosed are a method for preparing a lithium cobaltate soft pack battery and the application thereof. The preparation method comprises the following steps: preparing a lithium cobaltate positive electrode bar; preparing a graphite negative electrode bar; preparing an aluminum-plastic film; performing positive and negative electrode bar screening, welding tabs and winding a battery cell; packaging a lithium cobaltate soft pack battery; performing liquid injection, primary sealing, formation and secondary sealing on the lithium cobaltate soft pack battery; and performing capacity grading on the lithium cobaltate soft pack battery to obtain the lithium cobaltate soft pack battery. The method for preparing a lithium cobaltate soft pack battery in a laboratory room temperature environment as provided by the present invention is simple in terms of operation, has low environment requirements, can be used in a laboratory lacking a drying room condition, and has reduced research and development costs and laboratory maintenance costs.
Inventors:
WU XINGYU (CN)
LI CHANGDONG (CN)
RUAN DINGSHAN (CN)
MAO LINLIN (CN)
FENG MAOHUA (CN)
LI BIN (CN)
LI CHANGDONG (CN)
RUAN DINGSHAN (CN)
MAO LINLIN (CN)
FENG MAOHUA (CN)
LI BIN (CN)
Application Number:
PCT/CN2021/142777
Publication Date:
September 22, 2022
Filing Date:
December 30, 2021
Export Citation:
Assignee:
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD (CN)
HUNAN BRUNP RECYCLING TECH CO LTD (CN)
HUNAN BRUNP VEHICLES RECYCLING CO LTD (CN)
HUNAN BRUNP RECYCLING TECH CO LTD (CN)
HUNAN BRUNP VEHICLES RECYCLING CO LTD (CN)
International Classes:
H01M10/0525; H01M10/0587
Foreign References:
| CN113036230A | 2021-06-25 | |||
| CN111834632A | 2020-10-27 | |||
| CN110660965A | 2020-01-07 | |||
| CN107863535A | 2018-03-30 | |||
| CN107302105A | 2017-10-27 | |||
| CN105336943A | 2016-02-17 | |||
| US20160315352A1 | 2016-10-27 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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