About 39 results
Electrochemical cell having an electrode with a dicarbonate additive in the electrode active mixture
https://drivepatents.com/patents/1101528 · 25 Sep 2002
An electrochemical cell of either a primary or a secondary chemistry, is described. In either case, the cell has a negative electrode of lithium or of an anode material which is capable of intercalating and deintercalating lithium coupled with a positive e...
https://drivepatents.com/patents/1101731 · 18 Sep 2002
In primary cells, the addition of gaseous carbon dioxide to the nonaqueous electrolyte has beneficial effects in terms of minimizing or eliminating voltage delay and reducing Rdc build-up when the cell is subjected to pulse current discharge conditions. Fo...
https://drivepatents.com/patents/1101729 · 18 Sep 2002
A system and method for cutting and heat sealing polypropylene film (20) and/or other separator material around individually shaped cathode, anode or other active components (60), for use in a battery or capacitor and/or other implantable medical device.
https://drivepatents.com/patents/1101673 · 18 Sep 2002
The invention is directed to an electrochemical cell. having at least one of its electrodes produced by coating a slurry mixture of an active material, possibly a conductive additive, and a binder dispersed in a solvent and contacted to a perforated curren...
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/1102374 · 21 Aug 2002
An alkali metal secondary electrochemical cell, and preferably a lithium ion cell (10), provided with a removable gas relief valve (12), is described. The gas release valve is positioned on the casing (14), in fluid flow communication between the inside th...
https://drivepatents.com/patents/1103244 · 10 Jul 2002
A mixture of polymeric binders that is insoluble in nonaqueous organic electrolytes activating alkali metal or alkali metal ion electrochemical cells, is described. The mixed binder formulation provides electrodes that are flexible and non-brittle, and cel...
https://drivepatents.com/patents/1103310 · 3 Jul 2002
The current invention relates to the preparation of an improved cathode active material for non-aqueous lithium electrochemical cell. In particular, the cathode active material comprises ε-phase silver vanadium oxide prepared by using a γ-phase silver va...
https://drivepatents.com/patents/1104819 · 8 May 2002
A protection device and a method of protecting an electrical component. The protection device has a protective housing and a terminal cap. The protective housing has a base with a contact hole therethrough for receiving an electrical terminal pin, and has ...
https://drivepatents.com/patents/1105729 · 27 Mar 2002
A protection device for an electrical component that has a protective housing and a terminal cap. The protective housing has a base with a contact hole therethrough for accommodating an electrical terminal pin. A projecting perimeter wall extends from the ...