| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To miniaturize a battery pack without deteriorating electrolyte-adhesion preventive function to a control circuit board. <P>SOLUTION: In the battery pack including a case 2 made of an insulating material, secondary batteries 20, 20, 20 stored inside the case, a control circuit board 23 which is arranged inside the case and controls charge and discharge of the secondary batteries, and a protection sheet 21 which is made of an insulating material and arranged inside the case while the sheet is adhered to the outer surface of the secondary batteries, the control circuit board is arranged on the opposite side to the secondary batteries interposing the protection sheet, and the contour of the protection sheet is formed larger than the contour of the control circuit board. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
