Title:
ANODE ELECTRODE PIECE, PREPARATION METHOD THEREFOR, AND LITHIUM ION BATTERY
Document Type and Number:
WIPO Patent Application WO/2021/238537
Kind Code:
A1
Abstract:
An anode electrode piece, a preparation method therefor, and a lithium ion battery. The anode electrode piece comprises a current collector (1), at least one surface of which is provided with a separator coating (3); and a tab (2), which is electrically connected to the current collector (1), wherein at least one surface of the tab (2) is provided with a support layer (4) that is connected to the separator coating (3). The structure of the anode electrode piece can strengthen the overall support strength of the tab (2), ameliorate the downward collapse, breaking, flanging, and other such problems of the tab (2), and improve the safety of the battery.
Inventors:
ZHU JIANPING (CN)
WEI JIANLIANG (CN)
WEI KAI (CN)
LU JUNTAI (CN)
YE MAOPENG (CN)
WEI JIANLIANG (CN)
WEI KAI (CN)
LU JUNTAI (CN)
YE MAOPENG (CN)
Application Number:
PCT/CN2021/089568
Publication Date:
December 02, 2021
Filing Date:
April 25, 2021
Export Citation:
Assignee:
DONGGUAN TAFEL NEW ENERGY TECH CO LTD (CN)
JIANGSU TAFEL NEW ENERGY TECH INC (CN)
JIANGSU TAFEL POWER SYS CO LTD (CN)
JIANGSU TAFEL NEW ENERGY TECH INC (CN)
JIANGSU TAFEL POWER SYS CO LTD (CN)
International Classes:
H01M4/66; H01M4/04
Foreign References:
| CN110911637A | 2020-03-24 | |||
| CN206806433U | 2017-12-26 | |||
| CN206250284U | 2017-06-13 | |||
| CN210535760U | 2020-05-15 | |||
| CN210200866U | 2020-03-27 | |||
| CN111640948A | 2020-09-08 | |||
| CN111564637A | 2020-08-21 |
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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