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Patent Searching and Data


Title:
BATTERY CELL, BATTERY, AND BATTERY MODULE
Document Type and Number:
WIPO Patent Application WO/2019/148963
Kind Code:
A1
Abstract:
Disclosed are a battery cell (100) ,a battery, and a battery module, the battery cell (100) comprising: a diaphragm (10), the diaphragm (10) comprising a first portion (11), a middle portion (12) and a second portion (13) connected in sequence, wherein the diaphragm (10) is configured to be such a shape that the first portion (11) and the second portion (13) are both coiled around the middle portion (12), and the coiling direction of the first portion (11) is the same as the coiling direction of the second portion (13); a plurality of first polarity members (21), the first polarity members (21) being arranged on an inner side face of the first portion (11); and a plurality of second polarity members (22) ,the second polarity members (22) being arranged on the inner side face of the second portion (13), and both of the inner side face of the first portion (11) and the inner side face of the second portion (13) facing the middle portion (12).

Inventors:
LIU YINGHUI (CN)
LIU WEI (CN)
GU HONGCHI (CN)
Application Number:
PCT/CN2018/119393
Publication Date:
August 08, 2019
Filing Date:
December 05, 2018
Export Citation:
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Assignee:
BYD CO LTD (CN)
International Classes:
H01M10/04
Foreign References:
CN208028181U2018-10-30
CN1742403A2006-03-01
CN101630757A2010-01-20
CN202797167U2013-03-13
KR20140035646A2014-03-24
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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