Patent ID: 6569561
Filing Date: 2003-05-27
Classification: H01M,Y02E,Y02P

Abstract:
A battery pack comprising:a plurality of battery modules, each of said plurality of battery modules being constructed of an integral battery case which is constituted by forming a plurality of prismatic cell cases into a unitized body, wherein positive electrode plates and negative electrode plates laminated alternately upon one another with intervening separators are respectively accommodated in each of said cell cases, thereby constituting a plurality of cells, said plurality of cells being electrically connected in series, said plurality of battery modules being arranged in a direction in which the electrode plates are laminated within each of said cell cases of the battery module, in a condition with coolant passages formed between the battery modules; end plates arranged at both ends in the direction of adjacent arrangement of the battery modules; and means for binding said plurality of battery modules and said end plates together as one piece.