Patent ID: 9166207
Filing Date: 2015-10-20
Classification: H01M,Y02E

Abstract:
1. A secondary battery module, comprising: a plurality of plate shaped secondary cells; a casing that is formed with a plurality of grooves extending in its depth direction, with at least one of the secondary cells being housed in a space defined between neighboring grooves; a water cooling jacket that has projecting portions or fins, wherein the projecting portions or fins of the water cooling jacket are provided so as to fit from the exterior of the casing into and along the grooves of the casing and the projecting portions or fins of the water cooling jacket have hollow portions in which liquid coolant flows, wherein: the plurality of grooves each extends from a lower portion of the casing towards an upper portion of the casing; and the plurality of secondary cells are electrically connected together in a space defined above the grooves and internal to the casing; and a circuit board for control or protection of the secondary cells provided in a space defined by at least one of the grooves; wherein the casing comprises a positive connector terminal, a negative connector terminal, a communication connector, and a disconnection switch disposed on a rear surface of the casing where the circuit board is housed, whereby the secondary battery module is adapted for electrical connection to one or more other battery modules at the rear sides thereof.