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Patent Searching and Data


Title:
BATTERY COVER PLATE ASSEMBLY, BATTERY CELL, BATTERY MODULE, POWER BATTERY AND ELECTRIC AUTOMOBILE
Document Type and Number:
WIPO Patent Application WO/2019/205951
Kind Code:
A1
Abstract:
Provided are a battery cover plate assembly (103), a battery cell (100), a battery module (300), a power battery (400) and an electric automobile (500). The battery cover plate assembly (103) comprises a cover plate (1), a first post (2), a second post (103a), a turnover member (5), a nick member (6), a first conductive member (7) and a telescopic assembly (103b), wherein the second post (103a) comprises an upper post (3) and a lower post (4) arranged at an interval, and the turnover member (5) can be turned over under the action of the internal air pressure of the battery, and pushes, via the telescopic assembly (103b), the first conductive member (7) to move to break a nick (62), such that electrical connection between the upper post (3) and the lower post (4) is disconnected.

Inventors:
WU, Wengang (No. 3009, BYD Road Pingsha, Shenzhen Guangdong 8, 518118, CN)
LIU, Yanchu (No. 3009, BYD Road Pingsha, Shenzhen Guangdong 8, 518118, CN)
GONG, Xubin (No. 3009, BYD Road Pingsha, Shenzhen Guangdong 8, 518118, CN)
TANG, Jun (No. 3009, BYD Road Pingsha, Shenzhen Guangdong 8, 518118, CN)
Application Number:
CN2019/082302
Publication Date:
October 31, 2019
Filing Date:
April 11, 2019
Export Citation:
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Assignee:
BYD COMPANY LIMITED (No. 3009, BYD Road Pingsha, Shenzhen Guangdong 8, 518118, CN)
International Classes:
H01M2/04
Foreign References:
CN205790089U2016-12-07
CN204946952U2016-01-06
CN206322739U2017-07-11
US20170047565A12017-02-16
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (Room 301 Trade Building, ZhaolanyuanTsinghua University, Qinghuayuan, Haidian District, Beijing 4, 100084, CN)
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