POROUS POLYIMIDE FILM, SECONDARY BATTERY SEPARATOR, AND SECONDARY BATTERY

POROUS POLYIMIDE FILM, SECONDARY BATTERY SEPARATOR, AND SECONDARY BATTERY

A porous polyimide film has plural pores, in which an average flattening of the plural pores is within a range of 0.1 to 0.7, a coefficient of variation of a distance between adjacent pores is within a range of 0.10 to 0.40, and a front surface and aback surface communicate with each other through t...

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Bibliographische Detailangaben
Hauptverfasser: YOSHIMURA, Kosaku, KASHIMA, Yasunobu, HIROSE, Hidekazu, NAKADA, Kosuke, SASAKI, Tomoya
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Zusammenfassung:A porous polyimide film has plural pores, in which an average flattening of the plural pores is within a range of 0.1 to 0.7, a coefficient of variation of a distance between adjacent pores is within a range of 0.10 to 0.40, and a front surface and aback surface communicate with each other through the plural pores.