Patent ID: 7310225
Filing Date: 2007-12-18
Classification: H01L,H01M,Y02E

Abstract:
1. A high-output, large-capacity secondary battery module, the secondary battery module comprising: a case which is constructed in a separated structure in which upper and lower parts of stacked unit cells are covered by the case; and circuit units which include a switching board which controls an operation of the secondary battery module, the switching board comprising: wherein the pair of side frames include coupling grooves which extend in a longitudinal direction thereof, and the switching elements are coupled to the heat dissipation structure by means of coupling members including thread parts threadedly engageable in the coupling grooves, the pair of side frames of the heat dissipation structure are also provided at lower ends thereof with the coupling grooves, which extend in the longitudinal direction of the pair of side frames, and the heat dissipation structure is coupled to the printed circuit board by means of coupling members including thread parts threadedly engageable in the coupling grooves.