BATTERY COVER PLATE ASSEMBLY, SINGLE CELL BATTERY, BATTERY MODULE, POWER BATTERY, AND ELECTRIC VEHICLE

Title:

BATTERY COVER PLATE ASSEMBLY, SINGLE CELL BATTERY, BATTERY MODULE, POWER BATTERY, AND ELECTRIC VEHICLE

Document Type and Number:

WIPO Patent Application WO/2019/114775

Kind Code:

A1

Abstract:

A battery cover plate assembly, a single cell battery, a battery module, a power battery, and an electric vehicle. The battery cover plate assembly comprises a cover plate (110), an electrode inner terminal (109), and an electrode outer terminal (112). The electrode inner terminal (109) and the electrode outer terminal (112) are electrically connected by means of a current interrupting device. The current interrupting device comprises a notch member (101) and an overturn member (102). The overturn member (102) and the notch member (101) are electrically connected to each other, and the overturn member (102) can actuate under the action of air pressure to break a notch (104) on the notch member (101). The overturn member (102) is formed into an elongated structure extending along the cover plate.

Inventors:

JIANG LUXIA (CN)
HU SHICHAO (CN)
LU PENG (CN)
WANG XINYUE (CN)
WANG FEIFEI (CN)

Application Number:

PCT/CN2018/120766

Publication Date:

June 20, 2019

Filing Date:

December 13, 2018

Export Citation:

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Assignee:

BYD CO LTD (CN)

International Classes:

H01M50/147; H01M50/528; H01M50/574

Foreign References:

CN107123756A	2017-09-01
CN105470418A	2016-04-06
CN207818724U	2018-09-04
CN207818746U	2018-09-04
CN207818748U	2018-09-04
CN108666457A	2018-10-16
CN206040781U	2017-03-22
US5523178A	1996-06-04

Other References: