The present invention provides a laminated film and a non-aqueous electrolyte secondary battery. The laminated film has a structure in which a porous film having a shutdown function, a heat resistant porous layer containing plate-like inorganic particles a...

A multilayer porous film, comprising a porous layer including inorganic particles and a resin binder on at least one surface of a porous film containing a polyolefin resin as a main component, wherein the inorganic particles contain an aluminum silicate co...