| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a secondary battery in which the temperature difference between the radial inside and radial outside of a wound electrode body can be reduced. <P>SOLUTION: At least one of a positive electrode collector terminal member 171 and a negative electrode collector terminal member 191 is not welded to an outer uncoated part (130g and/or 120g) located on the outside of a wound electrode body 110 when viewed from the radial direction out of a mixture layer uncoated part (positive electrode mixture layer uncoated part 130c and/or negative electrode mixture layer uncoated part 120c), but welded to at least an inner uncoated part (130f and/or 120f) located on the inside of a wound electrode body 110 when viewed from the radial direction out of the mixture layer uncoated part (130c and/or 120c). <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
