Optimization of Catholyte in Hydrogen Redox Fuel Cell

Zi Xue Wang; Jie Fu; Chao Du; Yang Zhang

doi:10.4028/www.scientific.net/AMM.737.97

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 737Optimization of Catholyte in Hydrogen Redox Fuel...

Optimization of Catholyte in Hydrogen Redox Fuel Cell

Abstract:

Redox electric couple species used in the catholyte of the hydrogen redox fuel cell was screened through the electrochemical testing methods, and the catholyte composition and concentration were optimized by studying the reaction mechanism and laws on different electrodes, then the inside battery structure was also designed. The results showed that when using the carbon felt as electrode, platinum as catalyst, ferric/ferrous ion solution as the most suitable catholyte optimal performance could be obtained. This method can reduce the cathode polarization and the amount of catalysts. It can also solve the problem of catalyst poisoning and membrane degradation, simplify water management, effectively reduce the costs and improve cell performance and reliability.

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Periodical:

Applied Mechanics and Materials (Volume 737)

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97-104

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.737.97

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Online since:

March 2015

Authors:

Zi Xue Wang, Jie Fu*, Chao Du, Yang Zhang

Keywords:

Cyclic Voltammetry, Ferric Ion, Ferrous Ion, Hydrogen Redox Fuel Cell, Redox Electric Couple

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