Patent ID: 7651812
Filing Date: 2010-01-26
Classification: H01M,Y02E

Abstract:
1. A rechargeable battery module comprising: a plurality of unit batteries disposed apart at intervals; and a plurality of barriers interposed in pairs between each pair of the unit batteries, each barrier including a pair of parallel plates having a plurality of protrusions extending perpendicularly from their respective plate and at least one junction portion extending perpendicularly from its respective plate and at least one junction face parallel to its respective plate; wherein the at least one junction portion of one plate is fixed to the at least one junction face of another plate opposing the one plate, wherein said plurality of protrusions each have a conical shape with a base and a cutaway apex area in which said cutaway apex area of said plurality of protrusions of one of said pair of parallel plates comes into direct contact with said cutaway apex area of said plurality of protrusions of another of said pair of parallel plates, said base being wider than said cutaway apex area.