Apparatus and method for reducing an alkali metal electrochemically at a temperature below the metal's melting temperature
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United States of America Patent
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May 20, 2014
Grant Date -
Apr 15, 2010
app pub date -
Oct 9, 2009
filing date -
Oct 9, 2008
priority date (Note) -
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Abstract
A cell having an anode compartment and a cathode compartment is used to electrolyze an alkali metal polysulfide into an alkali metal. The cell includes an anode, wherein at least part of the anode is housed in the anode compartment. The cell also includes a quantity of anolyte housed within the anode compartment, the anolyte comprising an alkali metal polysulfide and a solvent. The cell includes a cathode, wherein at least part of the cathode is housed in the cathode compartment. A quantity of catholyte is housed within the cathode compartment. The cell operates at a temperature below the melting temperature of the alkali metal.
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