Chemistry: electrical current producing apparatus – product – and – Process of cell operation – Activation of inactive cell
Patent
1994-02-14
1995-10-03
Kalafut, Stephen
Chemistry: electrical current producing apparatus, product, and
Process of cell operation
Activation of inactive cell
429191, 429199, H01M 1044
Patent
active
054551234
ABSTRACT:
A method for making a primary cell comprising a lithium anode and an iodine containing cathode. The cell is first subjected to a preliminary conditioning at a predetermined time/temperature to effect a reduction in the impedance of the cell followed by cell discharge of at least 2 mAh per cm.sup.2 of the lithium anode surface prior to use or extended storage of the cell. The resulting primary cell has reduced variation in cell voltage and resistance and slower and more consistent self-discharge characteristics.
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Helgeson William D.
Heller Bernard F.
Michels Daniel D.
Schmidt Craig L.
Kalafut Stephen
Latham Daniel W.
Lilley Richard H.
Medtronic Inc.
Patton Harold R.
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