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Impact of metallic bipolar plates on cold-start behaviors of Polymer Electrolyte Fuel Cells (PEFCs)
- Authors
- Ko, Johan; Kim, Whangi; Hong, Taewhan; Kim, Dongmin; Ju, Hyunchul
- Issue Date
- 4-Oct-2012
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Cold-start; Metallic bipolar plate; Numerical modeling; Ice formation; Subfreezing temperature
- Citation
- SOLID STATE IONICS, v.225, pp.260 - 267
- Journal Title
- SOLID STATE IONICS
- Volume
- 225
- Start Page
- 260
- End Page
- 267
- ISSN
- 0167-2738
- Abstract
- To meet the target of DOE for bipolar plate, a metallic bipolar plate has been considered as a replacement for a conventional graphite bipolar plate for automotive fuel cells mainly owing to its cheaper fabrication cost. In this work, a multi-dimensional, multi-phase, transient cold-start fuel cell model is applied to polymer electrolyte fuel cell (PEFC) geometries with metallic bipolar plate (BP) and conventional graphite BP to precisely examine the effect of metallic BP on cold-start behaviors of PEFC. The cold-start model predictions indicate that different cold-start behaviors between metallic BP and graphite BP based fuel cells indeed exist and emphasize that using metallic BP improves fuel cell cold-Start performance by increasing the cell temperature more quickly during cold-start. (C) 2012 Elsevier B.V. All rights reserved.
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Related Researcher
- Kim, Dong Min
- Science & Technology (Department of Nanomaterials Engineering)