Patent ID: 6482542
Filing Date: 2002-11-19
Classification: H01M,Y02E

Abstract:
An integrated sealed secondary battery comprising:a plurality of cells arranged in a row respectively accommodating electricity-generating elements within rectangular tubular cases having a bottom, with their upper open ends being sealed; first cooling medium passages formed on both a first side and a second side of the row of the cells and having top and bottom walls; second cooling medium passages formed between the cases of the cells that communicate with the first cooling medium passages on both the first side and the second side of the row of the cells; projection strips provided in the first cooling medium passages such as to alternately extend downwards from the top wall and upwards from the bottom wall of the first cooling medium passages so that the first cooling medium passages meander upwards and downwards; and air escape apertures formed between the top wall of the cooling medium passages and top ends of the projection strips that extend downwards from the top wall of the cooling medium passages.