| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a battery pack with reduced temperature variations for batteries. <P>SOLUTION: The battery pack comprises a packed battery 20, a peripheral device 50 provided adjacent to the packed battery 20, and a heating wire 61 arranged opposite to the packed battery 20. The packed battery 20 includes: a device-side edge portion 71 adjacent to the peripheral device 50; an outer edge portion 72 located on a side of the device-side edge portion 71 opposite to the peripheral device 50 and provided along the outer edge of the packed battery 20; and a central portion 73 located between the device-side edge portion 71 and the outer edge portion 72. The heating wire 61 is arranged more densely at a location opposite to the device-side edge portion 71 than at a location opposite to the central portion 73. The heating wire 61 is arranged more densely at a location opposite to the outer edge portion 72 than at a location opposite to the device-side edge portion 71. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
