Patent ID: 7648538
Filing Date: 2010-01-19
Classification: H01M,Y02E,Y02P,Y10T

Abstract:
1. A battery comprising: a plurality of cell modules, wherein the cell modules are joined to each other, each of the cell modules having a plurality of flat unit cells, wherein each flat unit cell has a power generation element and a film as an exterior material for the power generation element, wherein electrode tabs are drawn out from the exterior material; and plate frames each having holders, each holder having a center portion surrounded by a peripheral supporter, the center portion defining a bottom side and a top side that are open, wherein each holder holds one of the flat unit cells within each cell module such that the flat unit cells within each module are arrayed on a virtual plane as defined by a plate frame, wherein the plate frames are laminated in a direction intersecting the virtual plane; and wherein an external surface of each given flat unit cell is brought into direct contact with an external surface of an adjacent flat unit cell adjacent to the given flat unit cell in the lamination direction.