Patent ID: 9548481
Date: 2017-01-17
CPC Classifications: H01M,Y02E

Claim:
1. A battery module, comprising: an electrode assembly in a case; at least one current collector in the case, the current collector being electrically connected to the electrode assembly; a cap plate covering the case, the cap plate including a safety vent and at least one terminal inserter penetrating the cap plate; at least one terminal part including a terminal plate outside the case and a connector connecting the at least one current collector to the terminal plate through the at least one terminal inserter; at least one fixing member fixing the terminal part into the cap plate; and a groove pattern in an area of the cap plate adjacent to the safety vent, the groove pattern facing an interior of the case, and a portion of the cap plate separating the groove pattern from the safety vent along a horizontal direction, the horizontal direction being parallel to the safety vent.