2011
DOI: 10.1021/es200979b
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Microbial Reverse Electrodialysis Cells for Synergistically Enhanced Power Production

Abstract: A new type of bioelectrochemical system for producing electrical power, called a microbial reverse-electrodialysis cell (MRC), was developed to increase voltages and power densities compared to those generated individually by microbial fuel cells (MFCs) or reverse electrodialysis (RED) systems. In RED systems, electrode overpotentials create significant energy losses due to thermodynamically unfavorable electrode reactions, and therefore a large number of stacked cells must be used to have significant energy r… Show more

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Cited by 120 publications
(93 citation statements)
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“…30,31 Inclusion of a bipolar membrane next to the anode can allow acid production in the chamber formed by the bipolar membrane and an adjacent AEM, as well as desalination of water between the bipolar membrane and AEM, with a single chamber (MEDCC) or a RED stack (MREEC). 32 These types of systems with bipolar membranes can be used to allow recovery of both acid and caustic solutions (from the cathode chamber) that have commercial value.…”
Section: ■ a Range Of Microbial Electrochemical Technologiesmentioning
confidence: 99%
“…30,31 Inclusion of a bipolar membrane next to the anode can allow acid production in the chamber formed by the bipolar membrane and an adjacent AEM, as well as desalination of water between the bipolar membrane and AEM, with a single chamber (MEDCC) or a RED stack (MREEC). 32 These types of systems with bipolar membranes can be used to allow recovery of both acid and caustic solutions (from the cathode chamber) that have commercial value.…”
Section: ■ a Range Of Microbial Electrochemical Technologiesmentioning
confidence: 99%
“…The other three include electrical streaming potentials due to subsurface water flow, thermal processes (e.g in volcanic areas and coal seam fires) and electrochemical diffusion. Electrochemical diffusion may arise due to the proximity of waters with very different ionic strengths that can produce an electric field parallel to the concentration gradient, such as glacial meltwaters (Kulessa 2003), groundwater tracers (Davis et al 2010), engineered bioelectrical systems (Kim and Logan 2011) or groundwater plumes. In an isotropic heterogeneous porous media the geo-electrical effect of groundwater flow that drags excess charge in coupled with the electrochemical effect of dissolved contaminants or brines is described by Revil & Linde (2006) as:…”
Section: Introductionmentioning
confidence: 99%
“…If the number of cells connected is large enough, the total voltage will be larger than the electrode reaction potential, and energy can be extracted. Although considerable advances have been produced in both techniques [8,9,10,11,12,13], they are mostly at the laboratory scale. In addition, they present clear drawbacks which must be dealt with, concerning mainly membrane selectivity, fouling and cost, and the necessity of using additional converters such as turbines for effectively producing electricity.…”
Section: Introductionmentioning
confidence: 99%