Chemistry: electrical current producing apparatus – product – and – Plural concentric or single coiled electrode
Patent
1993-11-19
1995-08-08
Maples, John S.
Chemistry: electrical current producing apparatus, product, and
Plural concentric or single coiled electrode
429194, 429211, 429217, 429219, H01M 616, H01M 454
Patent
active
054397600
ABSTRACT:
An electrochemical cell and electrode assembly in which an alkali metal anode and a cathode assembly are wound together in a unidirectional winding having substantially straight sides such that the winding will fit into a prismatic cell. The anode and cathode are arranged in the winding to provide for even utilization of reactive material during cell discharge by placing cathode and anode material in close proximity throughout the electrode assembly in the proportions in which they are utilized. The winding also contributes to even utilization of reactive material by employing multiple tabs on the cathode assembly to ensure that cathode material is evenly utilized throughout the electrode assembly during cell discharge and also so that connections to the tabs are readily made.
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Berkowitz Fred J.
Crespi Ann M.
Howard William G.
Kelm Roger W.
Skarstad Paul M.
Latham Daniel W.
Maples John S.
Medtronic Inc.
Patton Harold R.
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