A comprehensive review on water management strategies and developments in anion exchange membrane fuel cells |
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| Affiliation: | 1. Schulich Faculty of Chemistry, Technion – Israel Institute of Technology, Haifa 3200003, Israel;2. The Wolfson Department of Chemical Engineering, Technion – Israel Institute of Technology, Haifa 3200003, Israel;3. The Nancy & Stephan Grand Technion Energy Program, Technion – Israel Institute of Technology, Haifa 3200003, Israel |
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| Abstract: | In spite of significant achievements in alkaline exchange membrane fuel cells (AEMFCs) in recent years, they are still lagging behind proton exchange membrane fuel cells (PEMFCs) due to performance instability. Among the relevant operational parameters of AEMFC, the researchers have found that poor water management within the cell was the main reason for failure of the system. In the past five years, numerous modeling and experimental works were reported proposing different strategies to improve water management of AEMFC. With proper water management, the achievable power output in AEMFCs is comparable with that of PEMFCs or even more. Efforts have to be continued, but AEMFCs can become a strong competitor in the market place. This review paper discusses the strategies and developments impacting water management of AEMFCs providing knowledge source for upcoming studies. |
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| Keywords: | AEMFC Microporous layers Gas diffusion layers Ionomers Electrocatalysts Relative humidity PEMFC" },{" #name" :" keyword" ," $" :{" id" :" kwrd0045" }," $$" :[{" #name" :" text" ," _" :" Proton exchange membrane fuel cell AFC" },{" #name" :" keyword" ," $" :{" id" :" kwrd0055" }," $$" :[{" #name" :" text" ," _" :" Alkaline fuel cell AEM" },{" #name" :" keyword" ," $" :{" id" :" kwrd0065" }," $$" :[{" #name" :" text" ," _" :" Anion exchange membrane AEMFC" },{" #name" :" keyword" ," $" :{" id" :" kwrd0075" }," $$" :[{" #name" :" text" ," _" :" Anion exchange membrane fuel cell HOR" },{" #name" :" keyword" ," $" :{" id" :" kwrd0085" }," $$" :[{" #name" :" text" ," _" :" Hydrogen oxidation reaction ORR" },{" #name" :" keyword" ," $" :{" id" :" kwrd0095" }," $$" :[{" #name" :" text" ," _" :" Oxygen reduction reaction GDL" },{" #name" :" keyword" ," $" :{" id" :" kwrd0105" }," $$" :[{" #name" :" text" ," _" :" Gas diffusion layer MPL" },{" #name" :" keyword" ," $" :{" id" :" kwrd0115" }," $$" :[{" #name" :" text" ," _" :" Micro porous layer PTFE" },{" #name" :" keyword" ," $" :{" id" :" kwrd0125" }," $$" :[{" #name" :" text" ," _" :" Polytetrafluoroethylene MEA" },{" #name" :" keyword" ," $" :{" id" :" kwrd0135" }," $$" :[{" #name" :" text" ," _" :" Membrane electrode assembly CL" },{" #name" :" keyword" ," $" :{" id" :" kwrd0145" }," $$" :[{" #name" :" text" ," _" :" Catalyst layers CCL" },{" #name" :" keyword" ," $" :{" id" :" kwrd0155" }," $$" :[{" #name" :" text" ," _" :" Cathode catalyst layer ACL" },{" #name" :" keyword" ," $" :{" id" :" kwrd0165" }," $$" :[{" #name" :" text" ," _" :" Anode catalyst layer CDL" },{" #name" :" keyword" ," $" :{" id" :" kwrd0175" }," $$" :[{" #name" :" text" ," _" :" Cathode diffusion layer CMPL" },{" #name" :" keyword" ," $" :{" id" :" kwrd0185" }," $$" :[{" #name" :" text" ," _" :" Cathode micro porous layer AMPL" },{" #name" :" keyword" ," $" :{" id" :" kwrd0195" }," $$" :[{" #name" :" text" ," _" :" Anode micro porous layer AEI" },{" #name" :" keyword" ," $" :{" id" :" kwrd0205" }," $$" :[{" #name" :" text" ," _" :" Anion exchange ionomer QA" },{" #name" :" keyword" ," $" :{" id" :" kwrd0215" }," $$" :[{" #name" :" text" ," _" :" Quaternary ammonium TMBA" },{" #name" :" keyword" ," $" :{" id" :" kwrd0225" }," $$" :[{" #name" :" text" ," _" :" Trimethylbenzyl ammonium bromide TEBA" },{" #name" :" keyword" ," $" :{" id" :" kwrd0235" }," $$" :[{" #name" :" text" ," _" :" Triethylbenzyl ammonium chloride IES" },{" #name" :" keyword" ," $" :{" id" :" kwrd0245" }," $$" :[{" #name" :" text" ," _" :" Ion exchange sites RH" },{" #name" :" keyword" ," $" :{" id" :" kwrd0255" }," $$" :[{" #name" :" text" ," _" :" Relative humidity VBTAC" },{" #name" :" keyword" ," $" :{" id" :" kwrd0265" }," $$" :[{" #name" :" text" ," _" :" Vinyl benzyl trimethyl ammonium chloride MAPTAC" },{" #name" :" keyword" ," $" :{" id" :" kwrd0275" }," $$" :[{" #name" :" text" ," _" :" 3-methacryloylamino propyl trimethylammonium chloride DOE" },{" #name" :" keyword" ," $" :{" id" :" kwrd0285" }," $$" :[{" #name" :" text" ," _" :" Department of energy ETFE" },{" #name" :" keyword" ," $" :{" id" :" kwrd0295" }," $$" :[{" #name" :" text" ," _" :" Ethylene-co-tetrafluoroethylene |
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