Symmetric electrochemical cell
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United States of America Patent
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Nov 17, 2015
Grant Date -
May 22, 2014
app pub date -
Mar 19, 2012
filing date -
Mar 22, 2011
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Abstract
A three-chamber electrochemical cell comprises a central chamber, first and second chambers, and a central part for conveying a fluid solution into and out from the central chamber, the central part being symmetric with respect to a mid-plane of the cell. First and second electrodes of the cell are in surface contact with, respectively, first and second membranes. The first and second electrodes are produced from a porous electrically conductive material that absorbs mechanical stresses due to a first pressure differences between the first side chamber and the central chamber, and a second pressure difference between the second side chamber and the central chamber. The first and second electrodes are produced from a material including micrometer-sized metal beads compacted with one another leaving interstices between the beads, which form the pores of said electrodes.
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