Understanding Impacts of Catalyst-Layer Thickness on Fuel-Cell Performance via Mathematical Modeling | Zendy

Iryna V. Zenyuk | Zendy; Prodip K. Das | Zendy; Adam Z. Weber | Zendy

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Understanding Impacts of Catalyst-Layer Thickness on Fuel-Cell Performance via Mathematical Modeling

Author(s) -

Iryna V. Zenyuk,

Prodip K. Das,

Adam Z. Weber

Publication year - 2016

Publication title -

journal of the electrochemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.258

H-Index - 271

eISSN - 1945-7111

pISSN - 0013-4651

DOI - 10.1149/2.1161607jes

Subject(s) - materials science , evaporation , layer (electronics) , fuel cells , catalysis , transient (computer programming) , process engineering , steady state (chemistry) , nanotechnology , chemical engineering , computer science , chemistry , engineering , thermodynamics , physics , biochemistry , operating system

Author(s): Zenyuk, IV; Das, PK; Weber, AZ | Abstract: © The Author(s) 2016. In this article, a two-dimensional, multiphase, transient model is introduced and used to explore the impact of catalyst-layer thickness on performance. In particular, the tradeoffs between water production and removal through transport or evaporation are highlighted, with a focus on low-temperature performance. For the latter, a case study of an ultra-thin catalyst layer is undergone to explore how various material properties alter the steady-state and startup performance of a cell. The findings provide understanding and guidance to optimize fuel-cell performance with thin electrodes.

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