首页> 外国专利> BINDER FOR SOLID-STATE SECONDARY BATTERY, BINDER COMPOSITION FOR SOLID-STATE SECONDARY BATTERY, SLURRY FOR SOLID-STATE SECONDARY BATTERY, SOLID ELECTROLYTIC SHEET FOR SOLID-STATE SECONDARY BATTERY, AND PRODUCTION METHODS THEREFOR, AND SOLID-STATE SECONDARY BATTERY AND PRODUCTION METHOD THEREFOR

BINDER FOR SOLID-STATE SECONDARY BATTERY, BINDER COMPOSITION FOR SOLID-STATE SECONDARY BATTERY, SLURRY FOR SOLID-STATE SECONDARY BATTERY, SOLID ELECTROLYTIC SHEET FOR SOLID-STATE SECONDARY BATTERY, AND PRODUCTION METHODS THEREFOR, AND SOLID-STATE SECONDARY BATTERY AND PRODUCTION METHOD THEREFOR

机译:固态二次电池的粘合剂,固态二次电池的粘合剂组合,固态二次电池的浆液,固态二次电池的固体电解质片材,生产方法以及原先的方法和固态的二次电池

摘要

Provided are: a binder that is for a solid-state secondary battery and that can inhibit a reduction in ion conductivity and has excellent binding properties and oxidation resistance, and can be used to achieve good cycle life characteristics at a high voltage; and a binder composition that is for a solid-state secondary battery and that contains the binder. This binder for a solid-state secondary battery according to the present invention is characterized by containing a polymer (A) that has a repeating unit (a1) derived from an unsaturated carboxylic acid ester (excluding unsaturated carboxylic acid esters having a hydroxy group) and a repeating unit (a2) derived from a compound having a tertiary amino group, that has a weight-average molecular weight (Mw) of 250,000-3,000,000, and that has an endothermic peak observed at -10°C or lower when differential scanning calorimetry (DSC) is performed in accordance with JIS K7121.
机译:提供一种用于固态二次电池的粘合剂,该粘合剂可以抑制离子电导率的降低,并且具有优异的粘合性能和抗氧化性,并且可以用于在高压下获得良好的循环寿命特性;和用于固态二次电池的粘合剂组合物,其包含粘合剂。本发明的固体二次电池用粘合剂的特征在于,含有具有衍生自不饱和羧酸酯(不具有羟基的不饱和羧酸酯)的重复单元(a1)的聚合物(A)和衍生自具有叔氨基的化合物的重复单元(a2),其重均分子量(Mw)为250,000-3,000,000,并且在差示扫描量热法中在-10°C或更低的温度下观察到吸热峰(DSC)依照JIS K7121进行。

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