| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a power supply device having a heating effect which heats battery cells. <P>SOLUTION: A power supply device 1 includes: multiple battery cells 2, each of which is provided so as to be laminated and connected in series to be energized; a case 4 which serves as a housing that houses the multiple battery cells 2 and has an insulation structure in an area enclosing the multiple battery cells 2; a heating body 7 provided at least between a lower surface 2b of each battery cell 2 and a bottom plate 42 of the case 4 in the case 4 to heat the battery cells 2; and a heat storage layer 8 provided between the heating body 7 and the bottom plate 42 of the case 4 to store heat generated by the heating body 7. <P>COPYRIGHT: (C)2012,JPO&INPIT |
