Title:
BATTERY CELL, BATTERY, AND ELECTRIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/020764
Kind Code:
A1
Abstract:
Embodiments of the present application provide a battery cell (20), a battery (10), and an electric device. The battery cell (20) comprises: an electrode assembly (21); a supplementary electrode (22), the supplementary electrode (22) being used for supplementing alkali metal ions for the battery cell (20); and an isolation film (23), the isolation film (23) covering a first surface (221) of the supplementary electrode (22), the first surface (221) being the surface facing the electrode assembly (21), and the isolation film (23) being used for preventing the passage of alkali metal ions. The technical solution of the present application can improve the capacity of a battery (10), enhance the safety of the battery (10), prolong the service life of the battery (10), and improve the performance of the battery (10).
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Inventors:
HUANG YING (CN)
LIU JIANG (CN)
CHEN WENWEI (CN)
YAO BIN (CN)
LIU JIANG (CN)
CHEN WENWEI (CN)
YAO BIN (CN)
Application Number:
PCT/CN2022/107772
Publication Date:
February 01, 2024
Filing Date:
July 26, 2022
Export Citation:
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
H01M10/058; H01M4/13; H01M10/42
Domestic Patent References:
| WO2020026767A1 | 2020-02-06 |
Foreign References:
| CN115149106A | 2022-10-04 | |||
| CN214099829U | 2021-08-31 | |||
| CN114122409A | 2022-03-01 | |||
| CN113054162A | 2021-06-29 |
Attorney, Agent or Firm:
LONGSUN LEAD IP LTD. (CN)
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