GAS DIFFUSION LAYER FOR BATTERY, MEMBRANE-ELECTRODE ASSEMBLY USING GAS DIFFUSION LAYER FOR BATTERY, AND BATTERY, AND METHOD OF MANUFACTURING GAS DIFFUSION LAYER FOR BATTERY

摘要

PROBLEM TO BE SOLVED: To provide a gas diffusion layer for battery having a strength sufficient for use as a gas diffusion layer, without using a large amount of binder resin.SOLUTION: A gas diffusion layer for battery includes a first conductive porous layer containing a conductive carbon material having a dibutyl phthalate absorption amount of 170 cm/100 g or less, and a high molecular weight polymer, and having a density of 0.55-1.05 g/cm.SELECTED DRAWING: None