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1. WO2020107282 - COMPOSITE SEPARATOR, PREPARATION METHOD THEREFOR AND LITHIUM ION BATTERY CONTAINING SAME

Publication Number WO/2020/107282
Publication Date 04.06.2020
International Application No. PCT/CN2018/117999
International Filing Date 28.11.2018
IPC
H01M 2/16 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2Constructional details, or processes of manufacture, of the non-active parts
14Separators; Membranes; Diaphragms; Spacing elements
16characterised by the material
H01M 10/058 2010.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
058Construction or manufacture
CPC
H01M 10/058
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
058Construction or manufacture
H01M 2/16
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2Constructional details or processes of manufacture of the non-active parts
14Separators; Membranes; Diaphragms; Spacing elements
16characterised by the material
Applicants
  • 湖南中锂新材料有限公司 HUNAN CHINALY NEW MATERIAL CO., LTD [CN]/[CN]
  • 湖南中锂新材料科技有限公司 HUNAN CHINALY NEW MATERIAL TECHNOLOGY CO., LTD [CN]/[CN]
Inventors
  • 高保清 GAO, Baoqing
  • 陈红辉 CHEN, Honghui
  • 舒均国 SHU, Junguo
  • 陈立新 CHEN, Lixin
  • 杨天乐 YANG, Tianle
  • 毛冬琪 MAO, Dongqi
Agents
  • 合肥市科融知识产权代理事务所(普通合伙) HEFEI KERONG INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP)
Priority Data
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) COMPOSITE SEPARATOR, PREPARATION METHOD THEREFOR AND LITHIUM ION BATTERY CONTAINING SAME
(FR) SÉPARATEUR COMPOSITE, SON PROCÉDÉ DE PRÉPARATION ET BATTERIE AU LITHIUM-ION LE CONTENANT
(ZH) 复合隔膜,其制备方法和包含其的锂离子电池
Abstract
(EN)
A composite separator that has excellent conductive performance and that may provide excellent voltage resistance performance and battery cycling performance, which comprises a polymer separator and a coating at at least one side of the polymer separator, wherein the coating contains, according to the total weight of the coating: 70-90% of a metal nanoparticle and conductive nanotube compound, 1-10% of a binder, and 5-20% of a gel polymer.
(FR)
L'invention concerne un séparateur composite qui a une excellente performance conductrice et qui peut fournir une excellente performance de résistance à la tension et une excellente performance de cyclage de batterie, qui comprend un séparateur polymère et un revêtement sur au moins un côté du séparateur polymère, le revêtement contenant, en fonction du poids total du revêtement : 70 à 90 % d'une nanoparticule métallique et d'un composé de nanotubes conducteurs, 1 à 10 % d'un liant, et 5 à 20 % d'un polymère de gel.
(ZH)
一种具有优异的导电性能并且可以提供优异的耐电压性能和电池循环性能的复合隔膜,其包括聚合物隔膜和在聚合物隔膜的至少一侧的涂层,其中所述涂层包含以涂层总重量计为70-90%的金属纳米颗粒与导电纳米管的复合物,1-10%的粘结剂以及5-20%的凝胶聚合物。
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