4.4 Article

Numerical Investigation of PEM Water Electrolysis Performance for Different Oxygen Evolution Electrocatalysts

Journal

FUEL CELLS
Volume 17, Issue 1, Pages 37-47

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/fuce.201600216

Keywords

Anode Catalyst; Electrocatalyst; Hydrogen Production; Numerical Modeling; PEM Water Electrolyzer

Funding

  1. Scientific Research Projects Unit of Erciyes University [FBA-2016-6704, FDK-20166705]
  2. Scientific- and Technological Research Council of Turkey (TUBITAK) Priority Areas PhD Scholarship Program [2211-C]

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One of the hydrogen production methods, namely the proton exchange membrane water electrolyzer (PEMWE), shows good potential and agreement with renewable energy sources in the storage and conversion of energy. In this study, the effects of different anode catalyst materials on the performance of PEMWE are investigated. In line with this aim the temperature, membrane thickness, current collector length and molar fraction distribution of species in gas channels are investigated to observe and compare the effects of different anode catalyst. The cell performance is simulated with a two dimensional numerical model based on Comsol Multiphysics Software. The performance of the cell and hydrogen production are increased with the change of temperature from 303 K to 353 K. Different thickness of the membrane is investigated and the results bring out that use of thinner membrane is more important for Pt-Ir anode catalyst than Pt anode catalyst. Additionally, Pt-Ir anode catalyst is decreased cell voltage and provided four times higher current density. Maximum value of hydrogen molar fraction in the cathode gas channel isincreased60%.

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