| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To enhance cooling efficiency by suppressing an increase in pressure loss in a cooling air passage. <P>SOLUTION: A battery case 102 of a battery pack 100 formed by stacking a plurality of battery modules 110 at prescribed intervals has beads 106, 112 formed at prescribed intervals so as to face the bottom surface in the vertical direction to the stacking direction of the battery modules 110. The beads 106, 112 are grooves projecting toward the inside of the battery case 102. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
