| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery pack having a high mechanical strength while achieving miniaturization and weight reduction. SOLUTION: The battery pack 1 has a combination of outer package cases 11, 12 to constitute an appearance of a package body 10. The package body 10 houses a plurality of element batteries inside. The outer package cases 11, 12 are made of a resin material and has a long shape appearance. A reinforcement member 14 which extends in longitudinal direction is joined to the outer face of the outer package case 12 in the battery pack 1. The reinforcement member 14 is made of a metal material such as stainless steel and has a cross-section in Y-Z of L-shape. COPYRIGHT: (C)2010,JPO&INPIT |
