Porous laminate film, separator for electricity storage device, and electricity storage device

• Main Authors: OHKURA MASATOSHI, ISHIDA YASUYUKI, HIGASHIOJI TAKUJI, WAKAHARA YOKO
• Format: Patent
• Language: English
• Published: 06.05.2015
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; BASIC ELECTRIC ELEMENTS; CHEMISTRY; COMPOSITIONS BASED THEREON; ELECTRICITY; GENERAL PROCESSES OF COMPOUNDING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING-UP

Provided are a porous laminate film, which has high gas permeability, flatness and heat resistance, achieves a balance between the excellent workability and battery performance and the safety at a high level, and is suitable for a separator for an electricity storage device; and a separator for said...