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Patent Searching and Data


Title:
PROTECTION DEVICE FOR BATTERY, BATTERY, BATTERY PACK, AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2018/120654
Kind Code:
A1
Abstract:
Provided in the present disclosure are a protection device for a battery, battery, battery pack, and vehicle. The protection device comprising a housing assembly, a sealing film, and a temperature-sensitive actuator. The housing assembly defines an accommodating cavity used to accommodate a noble gas. An opening is provided at one end of the accommodating cavity, and the sealing film is provided at the opening to seal the accommodating cavity. The actuator is provided within the accommodating cavity, and is provided with a puncturing protrusion. Upon deformation of the actuator, the puncturing protrusion punctures the sealing film.

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Inventors:
LAI QING (CN)
TONG ZHIWEI (CN)
ZHU YAN (CN)
ZHU JIANHUA (CN)
Application Number:
PCT/CN2017/087567
Publication Date:
July 05, 2018
Filing Date:
June 08, 2017
Export Citation:
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Assignee:
BYD CO LTD (CN)
International Classes:
A62C3/16; H01M10/48; A62C31/00; B60L11/18; G01R31/36; H01M10/42; H01M50/103; H01M50/209
Foreign References:
CN204257764U2015-04-08
CN102148397A2011-08-10
CN104064692A2014-09-24
CN205069780U2016-03-02
CN204230317U2015-03-25
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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