Title:
BATTERY COVER ASSEMBLY, SINGLE CELL, BATTERY MODULE, POWER BATTERY, AND ELECTRIC VEHICLE
Document Type and Number:
WIPO Patent Application WO/2019/120238
Kind Code:
A1
Abstract:
A battery cover assembly, a single cell, a battery module, a power battery, and an electric vehicle. The battery cover assembly comprises a cover plate (110), an inner extraction member (109), and an outer electrode terminal (112). A current interruption device comprises a notch member (101) and an overturning member (102). The notch member comprises a notch area (105), a first welding area (103), and a second welding area (107). The first welding area (103), the notch area, and the second welding area (107) are strip-shaped and provided in sequence on a vertical cross section in a length direction where the notch member (101) is perpendicular to the cover plate (110). The thickness of the first welding area and the second welding area is greater than or equal to that of the notch area (105).
Inventors:
JIANG LUXIA (CN)
Application Number:
PCT/CN2018/122249
Publication Date:
June 27, 2019
Filing Date:
December 20, 2018
Export Citation:
Assignee:
BYD CO LTD (CN)
International Classes:
H01M50/147; H01M50/574
Domestic Patent References:
| WO2015146365A1 | 2015-10-01 |
Foreign References:
| CN207818641U | 2018-09-04 | |||
| CN207818749U | 2018-09-04 | |||
| CN207818643U | 2018-09-04 | |||
| CN207818642U | 2018-09-04 | |||
| CN1217826A | 1999-05-26 | |||
| CN106328856A | 2017-01-11 |
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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