Walsh, Frank, Arenas Martinez, Luis Fernando and Ponce De Leon Albarran, Carlos (2019) Developments in plane parallel flow channel cells. Current Opinion in Electrochemistry. (doi:10.1016/j.coelec.2019.02.006).
Abstract
Plane parallel electrodes are favoured, in laboratory studies and industry for electrosynthesis, environmental treatment and energy conversion. This electrode geometry offers uniform current distribution while a flow channel ensures a controlled reaction environment. Performance can be enhanced by the use of tailored electrode surfaces, porous, 3-D electrodes, and bipolar electrical connections. Scale-up can be achieved by increasing the electrode size, the number of electrodes in a stack or the number of stacks in a system. Recent trends include a) 3-D printing of fast prototype cell components, b) use of porous 3-D electrode supports and their decoration, c) development of microflow cells for electrosynthesis, d) electro-Fenton treatment of wastewater, and e) computational models to simulate and rationalise reaction environment and performance. Future research needs are highlighted.
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