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Title:
SEPARATOR, ELECTRODE ASSEMBLY, BATTERY, AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/189399
Kind Code:
A1
Abstract:
A separator (230), comprising a separator base material (30) and a hybrid coating layer (50). The hybrid coating layer (50) is disposed on the surface of the separator base material (30), and the hybrid coating layer (50) comprises foamed microspheres (51) and a binding agent (52). Each foamed microsphere (51) comprises a core (512) and a cladding layer (514) cladding the core (512); the core (512) of the foamed microsphere (51) is a foaming agent that generates at least one inorganic gas of carbon dioxide, nitrogen, and carbon monoxide after the foaming agent is decomposed by heat. In addition, an electrode assembly (20) comprising the separator (230), a battery (100), and an electronic device (200) are provided.

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Inventors:
FAN XIAOHE (CN)
WEI ZENGBIN (CN)
Application Number:
PCT/CN2020/081576
Publication Date:
September 30, 2021
Filing Date:
March 27, 2020
Export Citation:
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Assignee:
NINGDE AMPEREX TECHNOLOGY LTD (CN)
International Classes:
H01M2/14
Foreign References:
CN109148789A2019-01-04
CN108493387A2018-09-04
CN102020747A2011-04-20
CN110183584A2019-08-30
CN103173161A2013-06-26
CN106469798A2017-03-01
CN110112353A2019-08-09
CN101789499A2010-07-28
CN102437304A2012-05-02
KR20170032722A2017-03-23
Attorney, Agent or Firm:
SHENZHEN SCIENBIZIP INTELLECTUAL PROPERTY AGENCY CO.,LTD. (CN)
Download PDF:
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