Understanding Impacts of Catalyst-Layer Thickness on Fuel-Cell Performance via Mathematical Modeling
Abstract
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.
- Authors:
-
[1];
[3]
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Tufts Univ., Medford, MA (United States)
- Newcastle Univ. (United Kingdom). School of Mechanical and Systems Engineering
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Sustainable Transportation Office. Hydrogen Fuel Cell Technologies Office
- OSTI Identifier:
- 1506248
- Grant/Contract Number:
- AC02-05CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of the Electrochemical Society
- Additional Journal Information:
- Journal Volume: 163; Journal Issue: 7; Journal ID: ISSN 0013-4651
- Publisher:
- The Electrochemical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 25 ENERGY STORAGE; fuel cell; modeling; NSTF; thin catalyst layer; water management
Citation Formats
Zenyuk, Iryna V., Das, Prodip K., and Weber, Adam Z. Understanding Impacts of Catalyst-Layer Thickness on Fuel-Cell Performance via Mathematical Modeling. United States: N. p., 2016.
Web. doi:10.1149/2.1161607jes.
Zenyuk, Iryna V., Das, Prodip K., & Weber, Adam Z. Understanding Impacts of Catalyst-Layer Thickness on Fuel-Cell Performance via Mathematical Modeling. United States. https://doi.org/10.1149/2.1161607jes
Zenyuk, Iryna V., Das, Prodip K., and Weber, Adam Z. Sat .
"Understanding Impacts of Catalyst-Layer Thickness on Fuel-Cell Performance via Mathematical Modeling". United States. https://doi.org/10.1149/2.1161607jes. https://www.osti.gov/servlets/purl/1506248.
@article{osti_1506248,
title = {Understanding Impacts of Catalyst-Layer Thickness on Fuel-Cell Performance via Mathematical Modeling},
author = {Zenyuk, Iryna V. and Das, Prodip K. and Weber, Adam Z.},
abstractNote = {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.},
doi = {10.1149/2.1161607jes},
journal = {Journal of the Electrochemical Society},
number = 7,
volume = 163,
place = {United States},
year = {Sat Apr 30 00:00:00 EDT 2016},
month = {Sat Apr 30 00:00:00 EDT 2016}
}
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