SEPARATOR HAVING HEAT RESISTANT INSULATION LAYERS

A separator (1) having heat resistant insulation layers for an electric device includes a resin porous substrate (2), and heat resistant insulation layers (3) formed on both surfaces of the resin porous substrate (2) and containing heat resistant particles having a melting point or a thermal softeni...

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Bibliographische Detailangaben
Hauptverfasser:	HIRAI, TAMAKI, MIYATAKE, KAZUKI, MURAMATSU, HIRONOBU
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	A separator (1) having heat resistant insulation layers for an electric device includes a resin porous substrate (2), and heat resistant insulation layers (3) formed on both surfaces of the resin porous substrate (2) and containing heat resistant particles having a melting point or a thermal softening point of 150°C or higher. A parameter X represented by the following mathematical formula 1 is greater than or equal to 0.15: X = A¹ + A¹¹ C × A¹ / A¹¹ 2 where A' and A" represent thicknesses (µm) of the respective heat resistant insulation layers (3) formed on both surfaces of the resin porous substrate (2) while fulfilling a condition of A' ¥ A", and C represents the entire thickness (gm) of the separator (1) having heat resistant insulation layers.