Patent ID: 7288343
Filing Date: 2007-10-30
Classification: H01M,Y02E,Y02P,Y10T

Abstract:
1. A rechargeable battery, comprising at least one anode; at least one cathode, each said cathode being in opposing spaced relationship to each said anode; two layers of differing porous separators/binders intermediate each opposing anode and cathode to maintain said opposing spaced relationship; a non-aqueous electrolyte filling said pores of said layers of separator/binder; wherein: a first separator/binder comprises a mixture of polymer P a second separator/binder comprises a mixture of polymer P polymer P polymer P polymer P polymer P particulate material M particulate material M said opposing spaced relationship of each cathode to each anode is maintained by each anode being bound to the first separator/binder, the first separator/binder being bound to the second separator/binder and the second separator/binder being bound to each cathode.