NONAQUEOUS ELECTROLYTE SECONDARY BATTERY SEPARATOR

Provided is a separator for a non-aqueous electrolyte secondary battery capable of achieving shutdown temperature, mechanical strength, and ion permeability. The separator for a non-aqueous electrolyte secondary battery according to one aspect of the present invention contains a polyolefin-based res...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YONEGUCHI YUKI, SATO YOSHINORI, TAKATA ATSUHIRO
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	Provided is a separator for a non-aqueous electrolyte secondary battery capable of achieving shutdown temperature, mechanical strength, and ion permeability. The separator for a non-aqueous electrolyte secondary battery according to one aspect of the present invention contains a polyolefin-based resin as a main component, and has a maximum calorific value of 30 mW/g or more during isothermal crystallization at 128 deg. C. 셧 다운 온도, 기계 강도 및 이온 투과성을 양립할 수 있는 비수 전해액 이차 전지용 세퍼레이터를 제공한다. 본 발명의 일 양태에 관한 비수 전해액 이차 전지용 세퍼레이터는, 폴리올레핀계 수지를 주성분으로서 포함하고 있고, 128℃ 등온 결정화 시의 최대 발열량이 30mW/g 이상이다.