Title:
LITHIUM ION BATTERY HAVING IMPROVED ELECTROLYTE VISCOSITY AND CB VALUE AND ELECTRIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/082287
Kind Code:
A1
Abstract:
A lithium ion battery, comprising a positive electrode, a negative electrode, and an electrolyte. The viscosity c of the electrolyte is 1-6 mPa·s at 25ºC according to GB/T 10247-2008, and the ratio CB of the lithium intercalation capacity of the negative electrode to the lithium deintercalation capacity of the positive electrode is 1.05-1.5. The lithium ion battery is capable of fast charging at a large rate and has good cycle performance.
Inventors:
GUO JIE (CN)
HAN CHANGLONG (CN)
JIANG BIN (CN)
WU ZELI (CN)
WANG GUAN (CN)
ZHANG CUIPING (CN)
HUANG LEI (CN)
CAI LINHUA (CN)
HAN CHANGLONG (CN)
JIANG BIN (CN)
WU ZELI (CN)
WANG GUAN (CN)
ZHANG CUIPING (CN)
HUANG LEI (CN)
CAI LINHUA (CN)
Application Number:
PCT/CN2022/126792
Publication Date:
April 25, 2024
Filing Date:
October 21, 2022
Export Citation:
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
H01M10/0566; H01M4/13; H01M10/42
Domestic Patent References:
| WO2021217576A1 | 2021-11-04 |
Foreign References:
| CN103441305A | 2013-12-11 | |||
| CN115136377A | 2022-09-30 | |||
| US20210218062A1 | 2021-07-15 | |||
| KR20170063270A | 2017-06-08 |
Attorney, Agent or Firm:
ACIP LAW OFFICES (CN)
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