Title:
POSITIVE ELECTRODE PASTE, POSITIVE ELECTRODE SHEET, SECONDARY BATTERY COMPRISING SAID POSITIVE ELECTRODE SHEET, AND BATTERY MODULE
Document Type and Number:
WIPO Patent Application WO/2023/193179
Kind Code:
A1
Abstract:
The present invention provides a positive electrode paste comprising polyether polyol having a structural formula as follows: n1, n2, n3, R1, R2, R3, R4, R5, R6, B1 and B2 are as defined in the description. Adding the polyether polyol set forth in the present application can increase the coating weight of a positive electrode sheet, thereby increasing battery energy density.
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Inventors:
WU QIFAN (CN)
ZHANG MING (CN)
ZHANG MING (CN)
Application Number:
PCT/CN2022/085524
Publication Date:
October 12, 2023
Filing Date:
April 07, 2022
Export Citation:
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
H01M4/62
Domestic Patent References:
| WO2021146815A1 | 2021-07-29 |
Foreign References:
| CN109585922A | 2019-04-05 | |||
| CN104115316A | 2014-10-22 | |||
| JP2004055509A | 2004-02-19 | |||
| JP2004281055A | 2004-10-07 | |||
| US20150099167A1 | 2015-04-09 | |||
| CN111433248A | 2020-07-17 |
Attorney, Agent or Firm:
PEKSUNG INTELLECTUAL PROPERTY LTD. (CN)
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