Sealing film and outer packaging material for electricity storage device using same

Provided are: a sealing film which has high heat seal strength and excellent drawing formability, can maintain the amount of a lubricant on the surface of the film within an appropriate range even when the sealing film is cured after being laminated, and can achieve slippery properties and high lami...

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Hauptverfasser: FUKAGAI YOSHITAKA, MURATA TAICHI, TSUCHIMOTO TATSURO
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Sprache:chi ; eng
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creator FUKAGAI YOSHITAKA
MURATA TAICHI
TSUCHIMOTO TATSURO
description Provided are: a sealing film which has high heat seal strength and excellent drawing formability, can maintain the amount of a lubricant on the surface of the film within an appropriate range even when the sealing film is cured after being laminated, and can achieve slippery properties and high lamination strength; and an outer packaging material for an electricity storage device, which uses the sealing film. A sealing film which is a three-layer laminated film of a surface layer A, a substrate layer B, and a surface layer C, and in which a sea-island structure is observed in at least one of the surface layer A and the surface layer C as observed from an image acquired using a transmission electron microscope in a cross-section cut parallel to the film longitudinal direction, and in the sea-island structure, the thickness of the surface layer A and the surface layer C is less than 1 [mu] m2 in cross-sectional image per 16 [mu] m2, and the thickness of the surface layer C is less than 1 [mu] m2 in the cross-se
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language chi ; eng
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
TRANSPORTING
title Sealing film and outer packaging material for electricity storage device using same
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