Chemistry: electrical current producing apparatus – product – and – Fluid active material or two-fluid electrolyte combination... – Active material in solution
Patent
1993-09-29
1996-03-05
Springer, David B.
Chemistry: electrical current producing apparatus, product, and
Fluid active material or two-fluid electrolyte combination...
Active material in solution
429107, 429199, 429247, H01M 436, H01M 1036
Patent
active
054966590
ABSTRACT:
An electrochemical apparatus for energy storage and power generation comprises a single cell or an array of unit cells (10), each cell comprising a +.sup.ve electrode (12) and a -.sup.ve electrode (14) with a dual membrane in each cell dividing it into +.sup.ve chambers (22C and 24C) for posilyte and anolyte solutions (22, 24) which are recirculated through separate pumps (26, 28) and storage tanks (32, 34) and back to the chambers. The dual membranes in each cell provide a third chamber (23C) between the +.sup.ve chamber (22C) and the -.sup.ve chamber (24C), through which an idler electrolyte is circulated.
During the operation of the cell, any ionic species which cross the cation exchange membranes, which in an ideal system would remain in either the +.sup.ve chamber or the -.sup.ve chamber of the cell, will collect in the buffer chamber or chambers.
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National Power PLC
Springer David B.
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