Three-dimensional numerical analysis of PEM fuel cells with straight and wave-like gas flow fields channels
Using a three-dimensional computational model, numerical simulations are performed to investigate the performance characteristics of proton exchange membrane fuel cells (PEMFCs) incorporating either a conventional straight gas flow channel or a novel wave-like channel. The simulations focus particul...
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| Veröffentlicht in: | Journal of power sources 2008-02, Vol.177 (1), p.96-103 |
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| creator | Kuo, Jenn-Kun Yen, Tzu-Hsiang Chen, Cha’o-Kuang |
| description | Using a three-dimensional computational model, numerical simulations are performed to investigate the performance characteristics of proton exchange membrane fuel cells (PEMFCs) incorporating either a conventional straight gas flow channel or a novel wave-like channel. The simulations focus particularly on the effect of the wave-like surface on the gas flow characteristics, the temperature distribution, the electrochemical reaction efficiency and the electrical performance of the PEMFCs at operating temperatures ranging from 323
K to 343
K. The numerical results reveal that the wave-like surface enhances the transport of the reactant gases through the porous layer, improves the convective heat transfer effect, increases the gas flow velocity, and yields a more uniform temperature distribution. As a result, the efficiency of the catalytic reaction is significantly improved. Consequently, compared to a conventional PEMFC, the PEMFC with a wave-like channel yields a notably higher output voltage and power density. |
| doi_str_mv | 10.1016/j.jpowsour.2007.11.065 |
| format | Article |
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K to 343
K. The numerical results reveal that the wave-like surface enhances the transport of the reactant gases through the porous layer, improves the convective heat transfer effect, increases the gas flow velocity, and yields a more uniform temperature distribution. As a result, the efficiency of the catalytic reaction is significantly improved. Consequently, compared to a conventional PEMFC, the PEMFC with a wave-like channel yields a notably higher output voltage and power density.</description><identifier>ISSN: 0378-7753</identifier><identifier>EISSN: 1873-2755</identifier><identifier>DOI: 10.1016/j.jpowsour.2007.11.065</identifier><identifier>CODEN: JPSODZ</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Applied sciences ; Channels ; Computer simulation ; Density ; Energy ; Energy. Thermal use of fuels ; Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc ; Exact sciences and technology ; Fuel cells ; Gas flow ; Mathematical models ; Numerical simulation ; Operating temperature ; Proton exchange membrane (PEM) ; Temperature ; Temperature distribution ; Wave-like gas flow channel</subject><ispartof>Journal of power sources, 2008-02, Vol.177 (1), p.96-103</ispartof><rights>2007</rights><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c448t-ba01933ffbd7f0189f52e6c1cbdfa42a61347f3562e5046b8a40020c91d8ffaa3</citedby><cites>FETCH-LOGICAL-c448t-ba01933ffbd7f0189f52e6c1cbdfa42a61347f3562e5046b8a40020c91d8ffaa3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0378775307024573$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19997646$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Kuo, Jenn-Kun</creatorcontrib><creatorcontrib>Yen, Tzu-Hsiang</creatorcontrib><creatorcontrib>Chen, Cha’o-Kuang</creatorcontrib><title>Three-dimensional numerical analysis of PEM fuel cells with straight and wave-like gas flow fields channels</title><title>Journal of power sources</title><description>Using a three-dimensional computational model, numerical simulations are performed to investigate the performance characteristics of proton exchange membrane fuel cells (PEMFCs) incorporating either a conventional straight gas flow channel or a novel wave-like channel. The simulations focus particularly on the effect of the wave-like surface on the gas flow characteristics, the temperature distribution, the electrochemical reaction efficiency and the electrical performance of the PEMFCs at operating temperatures ranging from 323
K to 343
K. The numerical results reveal that the wave-like surface enhances the transport of the reactant gases through the porous layer, improves the convective heat transfer effect, increases the gas flow velocity, and yields a more uniform temperature distribution. As a result, the efficiency of the catalytic reaction is significantly improved. Consequently, compared to a conventional PEMFC, the PEMFC with a wave-like channel yields a notably higher output voltage and power density.</description><subject>Applied sciences</subject><subject>Channels</subject><subject>Computer simulation</subject><subject>Density</subject><subject>Energy</subject><subject>Energy. Thermal use of fuels</subject><subject>Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc</subject><subject>Exact sciences and technology</subject><subject>Fuel cells</subject><subject>Gas flow</subject><subject>Mathematical models</subject><subject>Numerical simulation</subject><subject>Operating temperature</subject><subject>Proton exchange membrane (PEM)</subject><subject>Temperature</subject><subject>Temperature distribution</subject><subject>Wave-like gas flow channel</subject><issn>0378-7753</issn><issn>1873-2755</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNqFkU9v1DAQxS1UJJbCV0C-oHJJ8OSPndyKqhaQiuBQzpbXGXe99cZbT9JVv30dbStu9DQz0m_ePM1j7BOIEgTIr9tyu48HinMqKyFUCVAK2b5hK-hUXVSqbU_YStSqK5Rq63fsPdFWCAGgxIrd3WwSYjH4HY7k42gCH-cdJm9zZ_L4SJ54dPzP5S_uZgzcYgjED37acJqS8bebKYMDP5gHLIK_Q35riLsQD9x5DANxuzHjiIE-sLfOBMKPz_WU_b26vLn4UVz__v7z4tt1YZumm4q1EdDXtXPrQTkBXe_aCqUFux6caSojoW6Uq1tZYSsaue5MI0QlbA9D55wx9Sk7O-ruU7yfkSa987TYNiPGmXTXy2rRkJn88l8SlFLQQoYzKo-oTZEoodP75HcmPWoQeslBb_VLDnrJQQPonENe_Px8w1B-qktmtJ7-bfd9r2SzeDk_cvlT-OAxabIeR4uDT2gnPUT_2qknZMCjQQ</recordid><startdate>20080215</startdate><enddate>20080215</enddate><creator>Kuo, Jenn-Kun</creator><creator>Yen, Tzu-Hsiang</creator><creator>Chen, Cha’o-Kuang</creator><general>Elsevier B.V</general><general>Elsevier Sequoia</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7SU</scope><scope>7TB</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H8D</scope><scope>KR7</scope><scope>L7M</scope><scope>7ST</scope><scope>SOI</scope></search><sort><creationdate>20080215</creationdate><title>Three-dimensional numerical analysis of PEM fuel cells with straight and wave-like gas flow fields channels</title><author>Kuo, Jenn-Kun ; Yen, Tzu-Hsiang ; Chen, Cha’o-Kuang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c448t-ba01933ffbd7f0189f52e6c1cbdfa42a61347f3562e5046b8a40020c91d8ffaa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Applied sciences</topic><topic>Channels</topic><topic>Computer simulation</topic><topic>Density</topic><topic>Energy</topic><topic>Energy. Thermal use of fuels</topic><topic>Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc</topic><topic>Exact sciences and technology</topic><topic>Fuel cells</topic><topic>Gas flow</topic><topic>Mathematical models</topic><topic>Numerical simulation</topic><topic>Operating temperature</topic><topic>Proton exchange membrane (PEM)</topic><topic>Temperature</topic><topic>Temperature distribution</topic><topic>Wave-like gas flow channel</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kuo, Jenn-Kun</creatorcontrib><creatorcontrib>Yen, Tzu-Hsiang</creatorcontrib><creatorcontrib>Chen, Cha’o-Kuang</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Environmental Engineering Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Journal of power sources</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kuo, Jenn-Kun</au><au>Yen, Tzu-Hsiang</au><au>Chen, Cha’o-Kuang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Three-dimensional numerical analysis of PEM fuel cells with straight and wave-like gas flow fields channels</atitle><jtitle>Journal of power sources</jtitle><date>2008-02-15</date><risdate>2008</risdate><volume>177</volume><issue>1</issue><spage>96</spage><epage>103</epage><pages>96-103</pages><issn>0378-7753</issn><eissn>1873-2755</eissn><coden>JPSODZ</coden><abstract>Using a three-dimensional computational model, numerical simulations are performed to investigate the performance characteristics of proton exchange membrane fuel cells (PEMFCs) incorporating either a conventional straight gas flow channel or a novel wave-like channel. The simulations focus particularly on the effect of the wave-like surface on the gas flow characteristics, the temperature distribution, the electrochemical reaction efficiency and the electrical performance of the PEMFCs at operating temperatures ranging from 323
K to 343
K. The numerical results reveal that the wave-like surface enhances the transport of the reactant gases through the porous layer, improves the convective heat transfer effect, increases the gas flow velocity, and yields a more uniform temperature distribution. As a result, the efficiency of the catalytic reaction is significantly improved. Consequently, compared to a conventional PEMFC, the PEMFC with a wave-like channel yields a notably higher output voltage and power density.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jpowsour.2007.11.065</doi><tpages>8</tpages></addata></record> |
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| ispartof | Journal of power sources, 2008-02, Vol.177 (1), p.96-103 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Channels Computer simulation Density Energy Energy. Thermal use of fuels Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc Exact sciences and technology Fuel cells Gas flow Mathematical models Numerical simulation Operating temperature Proton exchange membrane (PEM) Temperature Temperature distribution Wave-like gas flow channel |
| title | Three-dimensional numerical analysis of PEM fuel cells with straight and wave-like gas flow fields channels |
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