Process for energy storage and/or power delivery with means for restoring electrolyte balance
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United States of America Patent
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Mar 18, 1997
Grant Date -
N/A
app pub date -
Apr 13, 1994
filing date -
Apr 13, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electrochemical apparatus for energy storage and/or power delivery comprises multi-compartment cells with the +.sup.ve chamber and the -.sup.ve chamber of each cell being separated by at least one buffer chamber through which an idler electrolyte circulates, the electrolyte circulating through the -.sup.ve chamber during power delivery containing sulfide and the apparatus comprising means for restoring the electrolyte balance of the -.sup.ve electrolyte by the oxidation of any S.sup.2-and/or HS.sup.- ions contained in the idler electrolyte to form sulfur, means for the collection of precipitated sulfur and means for the reintroduction of the precipitated sulfur into the -.sup.ve electrolyte.
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