Mercury-free primary alkaline cell
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United States of America Patent
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Mar 13, 2001
Grant Date -
N/A
app pub date -
Apr 18, 1997
filing date -
Apr 20, 1996
priority date (Note) -
Expired
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Abstract
A galvanic cell has an anode gel, an alkaline electrolyte, and a cathode material, separated from the anode gel by a separator. The anode gel has mercury-free zinc powder, and the cathode material has manganese dioxide, as well as salt-like calcium compounds in solid form.
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