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Advanced Materials Engineering, Korea University of Science and Technology (UST), 217 Gajeong-ro, Yuseong-gu, Daejeon, 34113, Korea(Received April 14, 2016 ; revised April 28, 2016 ; accepted April 29, 2016)AbstractThe hydrogen has been recognized as a clean, nonpolluting and unlimited energy source that can solvefossil fuel depletion and environmental pollution problems at the same time. Water electrolysis has beenthe most attractive technology in a way to produce hydrogen because it does not emit any pollutants comparedto other method such as natural gas steam reforming and coal gasification etc. In order to improve efficiencyand durability of the water electrolysis, comprehensive studies for highly active and stable electrocatalystshave been performed. The platinum group metal (PGM; Pt, Ru, Pd, Rh, etc.) electrocatalysts indicated ahigher activity and stability compared with other transition metals in harsh condition such as acid solution.It is necessary to develop inexpensive non-noble metal catalysts such as transition metal oxides because thePGM catalysts is expensive materials with insufficient it’s reserves. The optimization of operating parameterand the components is also important factor to develop an efficient water electrolysis cell. In this study,we optimized the operating parameter and components such as the type of AEM and density of gas diffusionlayer (GDL) and the temperature/concentration of the electrolyte solution for the anion exchange membranewater electrolysis cell (AEMWEC) with the transition metal oxide alloy anode and cathode electrocatalysts.The maximum current density was 345.8 mA/cm

Optimization of Operating Parameters and Components for Water Electrolysis Using Anion Exchange Membrane