Impact of Membrane Phosphoric Acid Doping Level on Transport Phenomena and Performance in High Temperature PEM Fuel Cells

In this work, a three-dimensional mathematical model including the fluid flow, heat transfer, mass transfer, and charge transfer incorporating electrochemical reactions was developed and applied to investigate the transport phenomena and performance in high-temperature proton exchange membrane fuel...

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Autores principales:	Shian Li, Chengdong Peng, Qiuwan Shen, Chongyang Wang, Yuanzhe Cheng, Guogang Yang
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	HT-PEMFCs doping level performance transport characteristics Chemical technology TP1-1185 Chemical engineering TP155-156
Acceso en línea:	https://doaj.org/article/09fa573a74604d0f9d0e32d9d0176138
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spelling	oai:doaj.org-article:09fa573a74604d0f9d0e32d9d01761382021-11-25T18:19:34ZImpact of Membrane Phosphoric Acid Doping Level on Transport Phenomena and Performance in High Temperature PEM Fuel Cells10.3390/membranes111108172077-0375https://doaj.org/article/09fa573a74604d0f9d0e32d9d01761382021-10-01T00:00:00Zhttps://www.mdpi.com/2077-0375/11/11/817https://doaj.org/toc/2077-0375In this work, a three-dimensional mathematical model including the fluid flow, heat transfer, mass transfer, and charge transfer incorporating electrochemical reactions was developed and applied to investigate the transport phenomena and performance in high-temperature proton exchange membrane fuel cells (HT-PEMFCs) with a membrane phosphoric acid doping level of 5, 7, 9, 11. The cell performance is evaluated and compared in terms of the polarization curve. The distributions of temperature, oxygen mass fraction, water mass fraction, proton conductivity, and local current density of four cases are given and compared in detail. Results show that the overall performance and local transport characteristics are significantly affected by the membrane phosphoric acid doping level.Shian LiChengdong PengQiuwan ShenChongyang WangYuanzhe ChengGuogang YangMDPI AGarticleHT-PEMFCsdoping levelperformancetransport characteristicsChemical technologyTP1-1185Chemical engineeringTP155-156ENMembranes, Vol 11, Iss 817, p 817 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	HT-PEMFCs doping level performance transport characteristics Chemical technology TP1-1185 Chemical engineering TP155-156
spellingShingle	HT-PEMFCs doping level performance transport characteristics Chemical technology TP1-1185 Chemical engineering TP155-156 Shian Li Chengdong Peng Qiuwan Shen Chongyang Wang Yuanzhe Cheng Guogang Yang Impact of Membrane Phosphoric Acid Doping Level on Transport Phenomena and Performance in High Temperature PEM Fuel Cells
description	In this work, a three-dimensional mathematical model including the fluid flow, heat transfer, mass transfer, and charge transfer incorporating electrochemical reactions was developed and applied to investigate the transport phenomena and performance in high-temperature proton exchange membrane fuel cells (HT-PEMFCs) with a membrane phosphoric acid doping level of 5, 7, 9, 11. The cell performance is evaluated and compared in terms of the polarization curve. The distributions of temperature, oxygen mass fraction, water mass fraction, proton conductivity, and local current density of four cases are given and compared in detail. Results show that the overall performance and local transport characteristics are significantly affected by the membrane phosphoric acid doping level.
format	article
author	Shian Li Chengdong Peng Qiuwan Shen Chongyang Wang Yuanzhe Cheng Guogang Yang
author_facet	Shian Li Chengdong Peng Qiuwan Shen Chongyang Wang Yuanzhe Cheng Guogang Yang
author_sort	Shian Li
title	Impact of Membrane Phosphoric Acid Doping Level on Transport Phenomena and Performance in High Temperature PEM Fuel Cells
title_short	Impact of Membrane Phosphoric Acid Doping Level on Transport Phenomena and Performance in High Temperature PEM Fuel Cells
title_full	Impact of Membrane Phosphoric Acid Doping Level on Transport Phenomena and Performance in High Temperature PEM Fuel Cells
title_fullStr	Impact of Membrane Phosphoric Acid Doping Level on Transport Phenomena and Performance in High Temperature PEM Fuel Cells
title_full_unstemmed	Impact of Membrane Phosphoric Acid Doping Level on Transport Phenomena and Performance in High Temperature PEM Fuel Cells
title_sort	impact of membrane phosphoric acid doping level on transport phenomena and performance in high temperature pem fuel cells
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/09fa573a74604d0f9d0e32d9d0176138
work_keys_str_mv	AT shianli impactofmembranephosphoricaciddopinglevelontransportphenomenaandperformanceinhightemperaturepemfuelcells AT chengdongpeng impactofmembranephosphoricaciddopinglevelontransportphenomenaandperformanceinhightemperaturepemfuelcells AT qiuwanshen impactofmembranephosphoricaciddopinglevelontransportphenomenaandperformanceinhightemperaturepemfuelcells AT chongyangwang impactofmembranephosphoricaciddopinglevelontransportphenomenaandperformanceinhightemperaturepemfuelcells AT yuanzhecheng impactofmembranephosphoricaciddopinglevelontransportphenomenaandperformanceinhightemperaturepemfuelcells AT guogangyang impactofmembranephosphoricaciddopinglevelontransportphenomenaandperformanceinhightemperaturepemfuelcells
_version_	1718411301317771264

Impact of Membrane Phosphoric Acid Doping Level on Transport Phenomena and Performance in High Temperature PEM Fuel Cells

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