Patent ID: 9012068
Filing Date: 2015-04-21
Classification: H01M,Y02E

Abstract:
1. A battery module, comprising: a plurality of battery cells aligned in one direction, each of the plurality of battery cells having a first electrode terminal having a first polarity and a second electrode terminal having a second polarity opposite to that of the first electrode terminal; a plurality of bus bars for electrically connecting the plurality of battery cells, each bus bar being fastened to the first electrode terminal or the second electrode terminal of any one of the plurality of battery cells, and the first electrode terminal or the second electrode terminal of an adjacent one of the plurality of battery cells; and a housing accommodating the plurality of battery cells electrically connected by the bus bars, wherein a distance of the first electrode terminal from a center of a top side of each of the plurality of battery cells is different from a distance of the first electrode terminal from the center of a top side of the adjacent one of the battery cells, and wherein each bus bar is fastened diagonally relative to an alignment direction of the plurality of battery cells, the bus bars being oriented in a same direction.