Patent ID: 8389153
Filing Date: 2013-03-05
Classification: H01M,Y02E

Abstract:
1. A battery comprising: a battery case having a bottom, a side wall, and an upper opening; an electrode assembly; an electrolyte; and a sealing plate covering the upper opening of said battery case accommodating said electrode assembly and said electrolyte, said electrode assembly including a positive electrode, a negative electrode, and a separator interposed between said positive electrode and said negative electrode, wherein a gasket is interposed between an opening-edge portion of said battery case and said sealing plate, a first resistive layer is disposed between said opening-edge portion of said battery case and said gasket, or a second resistive layer is disposed between said sealing plate and said gasket, and said first resistive layer or said second resistive layer contains a mixture of a particulate inorganic oxide and a binder.