Sealed battery and method for fabricating the same

摘要: A sealed battery includes electrode group 4 formed by winding or stacking a positive plate 1 and negative 2 with separator 3 interposed between the 2, being housed in case 5, an opening of 5 sealing 10, wherein lead 11 extending from one plates is laser welded to welding portion 14 10 has linear shape straddling at least end 11.