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1. WO2020107281 - HIGH STRENGTH COMPOSITE SEPARATOR AND PREPARATION METHOD THEREFOR

Publication Number WO/2020/107281
Publication Date 04.06.2020
International Application No. PCT/CN2018/117998
International Filing Date 28.11.2018
IPC
H01M 2/14 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
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 10/0525 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
052Li-accumulators
0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
CPC
H01M 10/0525
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
052Li-accumulators
0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
H01M 2/14
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
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) HIGH STRENGTH COMPOSITE SEPARATOR AND PREPARATION METHOD THEREFOR
(FR) SÉPARATEUR COMPOSITE DE HAUTE RÉSISTANCE ET SON PROCÉDÉ DE PRÉPARATION
(ZH) 高强度复合隔膜及其制备方法
Abstract
(EN)
A composite separator that has high tensile strength and that may allow for excellent battery cycling performance and a preparation method therefor, wherein the composite separator comprises a polymer separator and a coating at at least one side of the polymer separator, and the polymer separator contains: 50-80 weight% of a polymer matrix, 5-15 weight% of a ceramic powder, 14-30 weight% of a binder, and 1-5 weight% of a plasticizer.
(FR)
L'invention concerne un séparateur composite qui présente une résistance à la traction élevée et qui peut permettre une excellente performance de cyclage de batterie et son procédé de préparation, le séparateur composite comprenant un séparateur polymère et un revêtement sur au moins un côté du séparateur polymère, et le séparateur polymère contenant : 50 à 80 % en poids d'une matrice polymère, 5 à 15 % en poids d'une poudre céramique, 14 à 30 % en poids d'un liant, et 1 à 5 % en poids d'un plastifiant.
(ZH)
一种具有高的抗拉强度并且可以允许优良的电池循环性能的复合隔膜及其制备方法,该复合隔膜包括聚合物隔膜和在所述聚合物隔膜的至少一侧的涂层,所述聚合物隔膜包含50-80重量%的聚合物基体、5-15重量%的陶瓷粉末、14-30重量%的粘结剂和1-5重量%的增塑剂。
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