Patent ID: 7501793
Filing Date: 2009-03-10
Classification: H01M,Y02E

Abstract:
1. A battery storing device comprising: a battery storing section that can store a battery inside and has a heat retaining function of retaining heat of the battery that is stored inside using vacuum heat insulating material; a heat retention releasing mechanism for releasing the heat retaining function; and an independent discharge circuit having a heating resistor, whose resistance increases automatically, so that heat generating current stops, wherein the heat retention releasing mechanism opens and closes an opening for making air flow between the inside and outside of the battery storing section, said independent discharge circuit is electrically connected to the battery and can perform discharge independently from the charge/discharge operation of a main circuit, and is for suppressing the ambient temperature of the battery, wherein the heat retention releasing mechanism comprises: a heat conductor forming a heat conduction route for conducting heat between the inside and outside of the battery storing section; and a mechanism for opening and closing the heat conduction route, wherein said heat conductor has a first heat conduction body disposed in an opening in a lid body; a second heat conduction body bonded to a heat insulation body; a third heat conduction body, and the second heat conduction body is disposed between the first heat conduction body and the third heat conduction body.