Title:
SECONDARY BATTERY AND ELECTRICAL APPARATUS COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/102793
Kind Code:
A1
Abstract:
The present application provides a secondary battery and an electric apparatus comprising same. The secondary battery comprises a positive electrode plate, a negative electrode plate, and a separator and an electrolyte arranged between the positive electrode plate and the negative electrode plate, wherein the separator comprises a substrate and an inorganic particle and/or organic particle layer arranged on at least one surface of the substrate; the separator further comprises a deacidification additive; the deacidification additive is located between inorganic particles and/or organic particles of the inorganic particle and/or organic particle layer, or between the substrate and the inorganic particle and/or organic particle layer in a form of a separate layer; and with respect to the mass of the electrolyte, the maximum amount of dissolved deacidification additive in the electrolyte at 25 °C is less than 1% by mass.
Inventors:
ZOU HAILIN (CN)
CHEN PEIPEI (CN)
CHEN PEIPEI (CN)
Application Number:
PCT/CN2021/136599
Publication Date:
June 15, 2023
Filing Date:
December 08, 2021
Export Citation:
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
H01M10/052
Foreign References:
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| CN110994029A | 2020-04-10 | |||
| US20020025477A1 | 2002-02-28 | |||
| US20180138539A1 | 2018-05-17 | |||
| CN103718336A | 2014-04-09 | |||
| CN105006594B | 2018-11-23 | |||
| CN105633467B | 2018-11-06 | |||
| CN110970621B | 2021-02-26 | |||
| CN1194439C | 2005-03-23 | |||
| CN102709591B | 2015-06-17 |
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