Electricity: measuring and testing – Electrolyte properties – Using a battery testing device
Patent
1995-01-26
1997-05-06
Wieder, Kenneth A.
Electricity: measuring and testing
Electrolyte properties
Using a battery testing device
320 48, 429 92, G01N 27416, G01R 3136
Patent
active
056274726
ABSTRACT:
A tester for determining the condition of an electrochemical power source, e.g. a battery or main cell, is disclosed. The tester may comprise an electrolytic (coulometric) cell connected in series to a auxiliary cell. The auxiliary cell is a miniature electrochemical power cell. The electrolytic (coulometric) cell may have no electromotive force of its own and may comprise an anode and cathode of the same material, desirably silver, with an electrolyte contacting at least a portion of both the anode and cathode. The tester may be permanently connected in parallel to a main cell being tested and is thin enough to be integratable into a label for the main cell. As the main cell discharges, the electrolytic cell anode clears proportionally to the discharge of one of the electrodes of the main cell to provide a continuous visually discernible indication of the state of charge of the main cell.
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Bernier Joseph
Ofer David
Searle Gary M.
Allen Rose M.
Brown Glenn W.
Duracell Inc.
Feltovic Robert J.
Josephs Barry D.
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