Patent ID: 7282297

Claim:
A laminate cell, comprising: a power generating element formed by sequentially stacking positive electrode plates and negative electrode plates while interposing separators therebetween; a cell package formed of a metal composite film, the cell package hermetically sealing the power generating element and an electrolyte; a positive tab connected to the positive electrode plates; and a negative tab connected to the negative electrode plates, wherein the power generating element and the cell package have approximately rectangular plane shapes, the positive tab and the negative tab are drawn outward from end edges of long sides of the cell package, the positive tab and the negative tab have approximately rectangular plane shapes, and long side lengths of the positive tab and the negative tab are longer than a short side length of the cell package and are shorter than a long side length of the cell package, and opening holes are provided in portions of the positive tab and negative tab which, are overlapped with the end edges of the long sides of the cell package.