Patent ID: 8309251
Filing Date: 2012-11-13
Classification: H01M,Y02E,Y02P

Abstract:
1. A battery, comprising: a battery cell including two major surfaces, two sidewall surfaces, a front face, and a rear face, and a positive portion and a negative portion to transfer energy from the battery cell are formed on the front face; a battery housing including two sidewall portions and an open front side, and the battery housing is configured to store the battery cell therein; a battery cover to close the open front side of the battery housing, the battery cover including a positive terminal, a negative terminal, and a holder attached to the front side of the housing; a positive electrode tab to connect the positive portion of the battery cell to the positive terminal of the battery cover, and the positive electrode tab is formed into a cross-sectional U shape; and a negative electrode tab to connect the negative portion of the battery cell to the negative terminal of the battery cover, and the negative electrode tab passes through a center of the cross-sectional U shape of the positive electrode tab, wherein the battery housing includes, on at least one of the two major surfaces, an opening portion formed internally of outer edges of the one major surface along the outer edges to cause the one major surface of the battery cell to face outward, and the two sidewall portions and a back surface side are respectively formed into cross-sectional U shapes and overlap part of the one major surface of the battery cell, and wherein the holder includes an opening and a guide portion, the negative electrode tab passes through the opening, and the positive electrode tab contacts the guide portion on a perimeter of the holder.