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Patent Searching and Data


Title:
POLE PIECE, BATTERY CELL AND BATTERY
Document Type and Number:
WIPO Patent Application WO/2020/192651
Kind Code:
A1
Abstract:
The application discloses a pole piece, a battery cell and a battery. The pole piece comprises a current collector, a plurality of first tabs and a plurality of second tabs. The current collector includes a first side and a second side opposite to each other. The plurality of first tabs are coupled to the current collector and extend out of the first side; the plurality of second tabs are coupled to the current collector and extend out of the second side. According to the pole piece of the present application, the arrangement of a plurality of first tabs and a plurality of second tabs on both sides of the current collector reduces the inner resistance of the pole piece, improves the energy output efficiency of the pole piece, reduces the heating efficiency in a working process of the pole piece, and realizes energy output on both sides of the pole piece, thus improving the use performance of the pole piece.

Inventors:
CAI ZHENGHUANG (CN)
LONG HAI (CN)
Application Number:
PCT/CN2020/080871
Publication Date:
October 01, 2020
Filing Date:
March 24, 2020
Export Citation:
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Assignee:
NINGDE AMPEREX TECHNOLOGY LTD (CN)
International Classes:
H01M2/26; H01M10/0587
Foreign References:
CN202352786U2012-07-25
CN204885269U2015-12-16
CN108598354A2018-09-28
CN205542997U2016-08-31
CN205828573U2016-12-21
CN104167553A2014-11-26
EP2187466A12010-05-19
Other References:
See also references of EP 3736884A4
Attorney, Agent or Firm:
SHENZHEN SCIENBIZIP INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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