About 152 results
https://drivepatents.com/patents/1090784 · 2 Jan 2004
A battery comprises at least two unit cells. Each of the at least two unit cells is provided with an outer sheath film composed of polymer-metal composite material, a positive-electrode current collector, a negative-electrode current collector, a separator...
https://drivepatents.com/patents/1093775 · 27 Aug 2003
A battery module comprises a flat cell including a laminate film; an electric power generating element; lead terminals; a cell outer case junction part formed by partially or completely covering the electric power generating element with the laminate film,...
https://drivepatents.com/patents/1094091 · 13 Aug 2003
A sealed prismatic battery has a battery case made of a plurality of prismatic cell cases coupled together via partition walls. Electrode plate groups are accommodated together with liquid electrolyte in each of the cell cases. Each electrode plate group c...
https://drivepatents.com/patents/1097435 · 19 Mar 2003
In an assembled battery including at least two unit cells provided within a supporter, each unit cell is a thin laminate cell packaged with a laminate, and each unit cell is covered by a group of at least one resin. Thus, the assembled battery has a stable...
https://drivepatents.com/patents/1102157 · 28 Aug 2002
In a rectangular alkaline storage battery, the sides of negative cores of negative electrode plates 10, which are disposed at the outermost positions of the group of electrode plates and oppose an outer casing can 40, are exposed. The pore ratios (ratio of...
https://drivepatents.com/patents/1102382 · 21 Aug 2002
The present invention relates to a current collector for an electrochemical cell. The current collector has a unique grid structure comprised of a frame supporting a plurality of radial strands as conductors radiating outwardly from a focal point on a conn...
https://drivepatents.com/patents/1103206 · 10 Jul 2002
A method for assembling battery element group includes the steps of folding the plates, arranging the positive and negative plates alternately, inserting a plate with one of the polarities into a laminated area of the plate with the other polarity, and pro...
https://drivepatents.com/patents/1106679 · 13 Feb 2002
A secondary electrochemical cell comprising a medium rate electrode region (12) intended to be discharged under a substantially constant drain and a high rate electrode region (14) intended to be pulse discharged, is described. Both electrode regions share...
https://drivepatents.com/patents/1108857 · 31 Oct 2001
An electrode plate unit capable of suppressing the internal short circuit caused by flashing that is formed on the end portion of a positive electrode plate and a battery using the same. The electrode plate unit includes a group of electrode plates in whic...
https://drivepatents.com/patents/1109026 · 24 Oct 2001
Positive and negative electrode plates (2, 3) are alternately stacked upon one another with intervening separators (4) to constitute an electrode plate group (1). The respective electrode plates are laterally offset so that side edges of the electrode plat...