Patent ID: 6677728
Filing Date: 2004-01-13
Classification: H01M,Y02E

Abstract:
A battery box comprising:a container formed by connecting an upper portion, a lower portion, a front portion, a rear portion, and two side portions, where the container can be disassembled and the front portion has a coolant supply opening from which a coolant is drawn into the container, and the rear portion has a coolant discharge opening from which the coolant is discharged from the container; a battery holder having a plurality of cell holding members for holding a plurality of cells in the container, wherein the cell holding members are detachably connected to each other in a manner such that central axes of the cells held by the cell holding members are parallel to a direction along which the two side portions face each other and that the cells are arranged in a zig-zag matrix form in a section perpendicular to the central axes of the cells; a shielding member, provided in the vicinity of the coolant supply opening, for changing the flow direction of the coolant which is drawn from the coolant supply opening into the container, and for preventing the coolant from directly blowing onto at least one of the cells in the vicinity of the coolant supply opening; and a flow control member, provided in the vicinity of the coolant discharge opening, for changing the flow direction of the coolant in a manner such that the coolant flows towards the rear side of at least one of the cells in the vicinity of the coolant discharge opening.