Behavior of hydrogen atom at Nafion-Pt interface
College
College of Science
Department/Unit
Physics
Document Type
Article
Source Title
Solid State Communications
Volume
134
First Page
601
Last Page
605
Publication Date
2005
Abstract
We present a mechanism depicting how a hydrogen atom migrates from a platinum catalyst to a Nafion membrane using ab initio calculations based on density functional theory (DFT). The H atom initially adsorbed on Pt is extracted by the sulfonate group (–SO3−), which is a part of the side chain of Nafion. We found partial electron transfer from the H atom to the Pt, which directly binds to the –SO3− group, through this reaction. The electron-poor H atom conducts in Nafion, and the partial electron transfer from the H atom results in the generation of electric power in polymer electrolyte fuel cells (PEFCs).
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Recommended Citation
Tsuda, M., Diño, W. A., & Kasai, H. (2005). Behavior of hydrogen atom at Nafion-Pt interface. Solid State Communications, 134, 601-605. Retrieved from https://animorepository.dlsu.edu.ph/faculty_research/6625
Disciplines
Physics
Keywords
Proton exchange membrane fuel cells; Anodes; Charge exchange; Density functionals
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