Title:
BATTERY CELL STRUCTURE, SECONDARY BATTERY, BATTERY PACK, AND ELECTRICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/165577
Kind Code:
A1
Abstract:
The present application relates to the technical field of secondary batteries, and in particular to a battery cell structure, a secondary battery, a battery pack, and an electrical device. The battery cell structure comprises: a first battery cell unit which comprises a first positive electrode sheet; and a second battery cell unit which comprises a second positive electrode sheet, wherein the first positive electrode sheet and the second positive electrode sheet are respectively made of different positive electrode active materials. The battery cell structure and the secondary battery in the present application have the advantages of high specific capacity, high energy density, excellent cycle performance, and good nail penetration and overcharge performance.
Inventors:
JIN JIANLI (CN)
LIU FEI (CN)
WU DONGDONG (CN)
JIN MIN (CN)
LIU FEI (CN)
WU DONGDONG (CN)
JIN MIN (CN)
Application Number:
PCT/CN2023/079399
Publication Date:
September 07, 2023
Filing Date:
March 02, 2023
Export Citation:
Assignee:
JIANGSU ZENERGY BATTERY TECH CO LTD (CN)
International Classes:
H01M10/0525; H01M4/131; H01M4/136; H01M10/0585
Foreign References:
| CN114784362A | 2022-07-22 | |||
| JP2018174070A | 2018-11-08 | |||
| JP2004055425A | 2004-02-19 | |||
| US20150004473A1 | 2015-01-01 | |||
| CN110048171A | 2019-07-23 | |||
| CN112768787A | 2021-05-07 | |||
| CN215771237U | 2022-02-08 |
Attorney, Agent or Firm:
KANGXIN PARTNERS , P.C. (CN)
Download PDF: