Patent ID: 8221922
Filing Date: 2012-07-17
Classification: H01M,Y02E,Y02P

Abstract:
1. A non-aqueous electrolyte secondary battery comprising: a positive electrode that contains a transition metal oxide capable of absorbing and desorbing lithium ions; a negative electrode that is capable of absorbing and desorbing lithium ions; a separator and a porous film that are interposed between said positive electrode and said negative electrode; and a non-aqueous electrolyte, wherein: said separator is a resin porous sheet, said porous film contains an inorganic oxide and polyamide, said non-aqueous electrolyte contains a non-aqueous solvent and a lithium salt that is dissolved in said non-aqueous solvent, and said non-aqueous solvent contains 5 to 15 vol % of ethylene carbonate.