Title:
ROLL PRESSING DEVICE, COMPOSITE ELECTRODE SHEET, BATTERY CELL, AND ELECTRIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/011703
Kind Code:
A1
Abstract:
The present application relates to a roll pressing device, a composite electrode sheet, a battery cell, and an electric device. The roll pressing device comprises: a first press roller (10) provided with a first roll pressing surface (11); and a second press roller (20) having a second roll pressing surface (21) facing the first roll pressing surface (11). At least one of the first roll pressing surface (11) and the second roll pressing surface (21) is provided with protruding portions (12) and/or recessed portions (13).
Inventors:
LIN JIA (CN)
SHI HUAN (CN)
LIN JIANG (CN)
SHI HUAN (CN)
LIN JIANG (CN)
Application Number:
PCT/CN2022/112355
Publication Date:
January 18, 2024
Filing Date:
August 15, 2022
Export Citation:
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
B21B1/38; H01M4/04
Foreign References:
| CN214957021U | 2021-11-30 | |||
| CN109244371A | 2019-01-18 | |||
| JP2013069637A | 2013-04-18 | |||
| JPS5715360A | 1982-01-26 |
Attorney, Agent or Firm:
ACIP LAW OFFICES (CN)
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