Design and optimization of bilayer structure in metal foam flow field for proton exchange membrane fuel cell - Details

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Abstract：

The　balance　between　water　discharge　and　mass　transfer　within　metal　foam　flow　field　is　vital　for　elevating　the　performance　of　proton　exchange　membrane　fuel　cell　(PEMFC).　To　obtain　an　improved　balance,　this　work　designs　a　novel　bilayer　structure　with　two　types　of　PPI　(pore　per　inch)　for　metal　foam　flow　field.　Experimental　and　numerical　results　confirmed　that　arranging　a　metal　foam　featuring　a　smaller　PPI　in　the　layer　1　near　the　membrane　electrode　assembly　(MEA)　and　a　larger　PPI　in　the　layer　2　away　from　the　MEA　is　beneficial　to　enhance　the　output　performance.　The　excellent　PPI　combination　for　balancing　mass　transfer　and　water　discharge　involves　utilizing　a　50　PPI　metal　foam　for　the　layer　1　and　110　PPI　metal　foam　for　the　layer　2.　Compared　to　conventional　metal　foam　with　50　PPI,　metal　foam　flow　field　with　excellent　PPI　combination　showcases　a　11.2　%　increase　in　water　discharge　and　a　13.2　%　boost　in　mass　transfer,　leading　to　a　notable　23.5　%　performance　enhancement.　Similarly,　compared　to　conventional　metal　foam　with　110　PPI,　there　is　a　7.3　%　decrease　in　mass　transfer　but　a　significant　29.5　%　increases　in　water　discharge,　leading　to　a　15.2　%　performance　improvement.　©　2024　Elsevier　Ltd

Keyword：

Bilayer structure Mass transfer Metal foam flow field PEMFC Water discharge

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[ 1 ] [Sun Y.]Fuzhou University International Joint Laboratory of Thermochemical Conversion of Biomass, Fujian Universities Engineering Research Center of Reactive Distillation Technology, College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou, 350116, China
[ 2 ] [Lin Y.]Fuzhou University International Joint Laboratory of Thermochemical Conversion of Biomass, Fujian Universities Engineering Research Center of Reactive Distillation Technology, College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou, 350116, China
[ 3 ] [Lin Y.]Qingyuan Innovation Laboratory, Quanzhou, 362801, China
[ 4 ] [Wang Q.]Fuzhou University International Joint Laboratory of Thermochemical Conversion of Biomass, Fujian Universities Engineering Research Center of Reactive Distillation Technology, College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou, 350116, China
[ 5 ] [Wang Q.]Qingyuan Innovation Laboratory, Quanzhou, 362801, China
[ 6 ] [Yin W.]Fuzhou University International Joint Laboratory of Thermochemical Conversion of Biomass, Fujian Universities Engineering Research Center of Reactive Distillation Technology, College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou, 350116, China
[ 7 ] [Yin W.]Qingyuan Innovation Laboratory, Quanzhou, 362801, China
[ 8 ] [Liu B.]College of Mechanical Engineering, Hunan Institute of Science and Technology, Yueyang, 414006, China
[ 9 ] [Yang C.]Fuzhou University International Joint Laboratory of Thermochemical Conversion of Biomass, Fujian Universities Engineering Research Center of Reactive Distillation Technology, College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou, 350116, China
[ 10 ] [Yang C.]Qingyuan Innovation Laboratory, Quanzhou, 362801, China
[ 11 ] [Wan Z.]College of Mechanical Engineering, Hunan Institute of Science and Technology, Yueyang, 414006, China
[ 12 ] [Qiu T.]Fuzhou University International Joint Laboratory of Thermochemical Conversion of Biomass, Fujian Universities Engineering Research Center of Reactive Distillation Technology, College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou, 350116, China
[ 13 ] [Qiu T.]Qingyuan Innovation Laboratory, Quanzhou, 362801, China

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Related Keywords：

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Source ：

Applied Thermal Engineering

ISSN： 1359-4311

Year： 2024

Volume： 257

6 . 1 0 0

JCR@2023

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SCOPUS Cited Count： 1

ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 3

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