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Magnesia phosphate cement composite bipolar plates for passive type direct methanol fuel cells
Wenbin Hao1; Hongyan Ma2; Guoxing Sun3; Zongjin Li3
2019-02
Source PublicationEnergy
ISSN0360-5442
Volume168Pages:80-87
Abstract

Bipolar plates composed of magnesia phosphate cement composite were fabricated via hot-press assisted hydration process. Techniques, including open circuit potential-time, alternating current impedance, and linear sweep voltammetry, were applied to the bipolar plates to investigate their electrochemical properties through both single cell and fuel cell stack at 70–90 °C. The results indicated that the bipolar plates achieved stable and uniform performance. Specifically, the fuel cell stack composed of three single cells in series achieved a maximum current density of 79.78 mA/cm2 and a peak power density of 25.54 mW/cm2 at 80 °C. A good and cyclable performance of the fuel cell devices using the magnesia phosphate cement based bipolar plates was observed in the switch on/off test. Then, an operation of 3.5 h was achieved under a current density of 25 mA/cm2 during the fuel availability test. The after-test investigation suggested that the surface reinforcement of the bipolar plates might improve the performance of long term operation. In conclusion, magnesia phosphate cement composite bipolar plates are suitable for direct methanol fuel cells.

KeywordBipolar Plates (Bps) Direct Methanol Fuel Cells (Dmfcs) Magnesia Phosphate Cement (Mpc) Composite Passive Type
DOI10.1016/j.energy.2018.11.094
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaThermodynamics ; Energy & Fuels
WOS SubjectThermodynamics ; Energy & Fuels
WOS IDWOS:000459952200007
PublisherPERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
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Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorWenbin Hao; Hongyan Ma
Affiliation1.Department of Chemical Engineering, School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, China
2.Department of Civil, Architectural and Environmental Engineering, Missouri University of Science and Technology, Rolla, MO 65401, USA
3.Institute of Applied Physics and Materials Engineering, University of Macau Avenida da Universidade, Taipa, Macau, China
Recommended Citation
GB/T 7714
Wenbin Hao,Hongyan Ma,Guoxing Sun,et al. Magnesia phosphate cement composite bipolar plates for passive type direct methanol fuel cells[J]. Energy,2019,168:80-87.
APA Wenbin Hao,Hongyan Ma,Guoxing Sun,&Zongjin Li.(2019).Magnesia phosphate cement composite bipolar plates for passive type direct methanol fuel cells.Energy,168,80-87.
MLA Wenbin Hao,et al."Magnesia phosphate cement composite bipolar plates for passive type direct methanol fuel cells".Energy 168(2019):80-87.
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