Patent ID: 7977410
Filing Date: 2011-07-12
Classification: C01B,C01F,C01P,H01M,Y02E,Y10T

Abstract:
1. A fine pore formation agent for porous resin films containing inorganic particles, wherein the inorganic particles satisfy the following formulas (a) to (d) and (f): wherein D50: average particle diameter (μm) of particles in 50% cumulative total by weight from the larger particle side in particle size distribution by laser diffraction spectrometry (micro-track FRA); Da: maximum particle diameter (μm) in the particle size distribution by laser diffraction spectrometry (micro-track FRA); Sw: BET specific surface area (m Ir: volume resistivity (Ω·cm) of hydrochloric acid-insoluble matter; and H