Patent 9236590 was granted and assigned to Hitachi on January, 2016 by the United States Patent and Trademark Office.
An electric storage module includes: a cooling plate with a predetermined thickness between a front surface and a rear surface, with the front surface and the rear surface functioning as cooling surfaces by a coolant flowing in the cooling plate; a first battery row made up with a plurality of battery cells, to be cooled by the cooling plate, arrayed along a predetermined direction, with one end surfaces of the battery cells being coupled with the front surface of the cooling plate so as to achieve thermal conduction; and a second battery row made up with a plurality of battery cells, to be cooled by the cooling plate, arrayed along a predetermined direction, with one end surfaces of the battery cells being coupled with the rear surface of the cooling plate so as to achieve thermal conduction.