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Patent Searching and Data


Title:
LITHIUM ION BATTERY COMPOSITE DIAPHRAGM
Document Type and Number:
WIPO Patent Application WO/2021/073441
Kind Code:
A1
Abstract:
A lithium ion battery composite diaphragm, comprising first particles and second particles, and a binder less than 5wt%. The lithium ion battery composite diaphragm is characterized in that: the first particles and the second particles have different particle sizes of particle compositions, the first particles have a particle size of r, and the second particles have a second particle size of r', wherein the particle sizes r and r' satisfy the following relationship: (2√3/3-1)

Inventors:
WANG, Haihui (Tianhe DistrictGuangzhou, Guangdong 1, CN)
XUE, Jian (Tianhe Distric, Guangzhou Guangdong 1, CN)
WANG, Suqing (Tianhe DistrictGuangzhou, Guangdong 1, CN)
Application Number:
CN2020/119861
Publication Date:
April 22, 2021
Filing Date:
October 07, 2020
Export Citation:
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Assignee:
SOUTH CHINA UNIVERSITY OF TECHNOLOGY (NO.381 Wushan Road Tianhe Distric, Guangzhou Guangdong 1, CN)
International Classes:
H01M2/14; H01M2/16
Attorney, Agent or Firm:
GUANG ZHOU ZHONG JIAN ZHI SHI CHAN QUAN DAI LI SHI WU SUO (TE SHU PU TONG HE HUO) (Room B201-41 NO.225-8 Hongming Road, Lilian Street, Huangpu Distric, Guangzhou Guangdong 0, CN)
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