BATTERY CELL, BATTERY MODULE, BATTERY PACK AND ELECTRIC VEHICLE

WIPO Patent Application WO/2023/010798

A1

Disclosed in the present application are a battery cell, a battery module, a battery pack and an electric vehicle. The battery cell comprises: a housing, which is provided with at least one opening; a cover plate, which is arranged at an open end of the housing and seals the open end of the housing; a wound cell, which is arranged inside the housing and comprises a positive plate, a negative plate, a positive tab and a negative tab, wherein the positive plate is connected to the positive tab, and the negative plate is connected to the negative tab; a positive terminal and a negative terminal, which are respectively arranged on the cover plate, wherein the positive terminal is connected to the positive tab, and the negative terminal is connected to the negative tab; and a collection circuit, which is arranged inside the housing, comprises at least one chip, and is used for collecting working parameters of the wound cell. By means of the embodiments of the present application, the working parameters of a battery cell can be collected, thereby avoiding the effect on the battery module, etc. due to overlooking or omitting the working state of certain battery cells.

CHEN BINBIN (CN)
LEI JINGJING (CN)
ZHENG YAMIN (CN)
LIAO SIHANG (CN)

PCT/CN2021/143897

February 09, 2023

December 31, 2021

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SUNWODA ELECTRIC VEHICLE BATTERY CO LTD (CN)

H01M10/42; B60L50/64; B60L58/10; H01M10/0587; H01M50/103; H01M50/15

CN113594562A	2021-11-02
CN112201866A	2021-01-08
CN108511832A	2018-09-07
CN107689461A	2018-02-13
CN102823055A	2012-12-12
CN103201889A	2013-07-10
US20150311571A1	2015-10-29

JIAQUAN IP LAW (CN)

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