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US 5,935,724 AGranted
Electrochemical cell having multiplate electrodes with differing discharge rate regions
AssigneeWilson Greatbatch Ltd.
InventorsDavid M. Spillman, Esther S. Takeuchi
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Abstract
An electrochemical cell comprising a medium rate electrode region intended to be discharged under a substantially constant drain and a high rate electrode region intended to be pulse discharged, is described. Both electrode regions share a common anode and are activated with the same electrolyte.
Claims42
An electrochemical cell, which comprises:
- (a) a first electrode provided in a folded, accordion pleated shape and comprising a first electrode active material;
- (b) a second electrode electrically associated with the first electrode to provide at least a first region and a second region of the cell, wherein the first region and the second region of the cell are provided by respective first and second structures of the second electrode disposed between the folds of the first electrode with at least a portion of the first electrode in a face-to-face relationship with at least one side of each of the first and second structures of the second electrode;
- and
- (c) an electrolyte activating and operatively associating the first electrode and second electrode such that the first region and the second region are dischargeable independent of each other to provide separate and independent sources of electrical energy.
1 more element
Dependencies are inferred from the claim text.