NONAQUEOUS ELECTROLYTE SECONDARY BATTERY SEPARATOR

A nonaqueous electrolyte secondary battery separator which has a low shutdown temperature, a high mechanical strength, and a high ion permeability is provided. The nonaqueous electrolyte secondary battery separator contains a polyolefin-based resin as a main component. The nonaqueous electrolyte sec...

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Bibliographische Detailangaben
Hauptverfasser:	TAKATA, Atsuhiro, YONEGUCHI, Yuki, SATO, Yoshinori
Format:	Patent
Sprache:	eng
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:	A nonaqueous electrolyte secondary battery separator which has a low shutdown temperature, a high mechanical strength, and a high ion permeability is provided. The nonaqueous electrolyte secondary battery separator contains a polyolefin-based resin as a main component. The nonaqueous electrolyte secondary battery separator has a maximum heating value of not less than 30 mW/g observed during isothermal crystallization of the nonaqueous electrolyte secondary battery separator at 128° C.