| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery pack having very low price and capable of manufacturing by general molding method in addition to sufficient heat conductivity for drawing heat generated on the inside of a housing by a high performance battery and mechanical characteristics satisfying requirements for using as a battery pack housing material by improving a battery pack for a power source of an electrical machine having the housing at least partially made of plastic and housing at least one battery cell. SOLUTION: The plastic is high density polyethylene (HD-PE) having density higher than 0.93 g/cm<SP>3</SP>. COPYRIGHT: (C)2006,JPO&NCIPI |
