Redox-induced changes in nanostructures and electron densities of connected Pt–Fe catalysts for fuel cells revealed via in situ coherent X-ray diffraction

In a sustainable society, polymer electrolyte fuel cells are one of the promising energy devices for automobiles and residential uses because of their high energy efficiency. On the other hand, the current cathode catalysts are mainly made of precious metals such as Pt, and their activity and durabi...

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Veröffentlicht in:	Japanese Journal of Applied Physics 2024-04, Vol.63 (4), p.48002
Hauptverfasser:	Takayama, Yuki, Itoh, Takanori, Imai, Hideto, Kuroki, Hidenori, Yamaguchi, Takeo
Format:	Artikel
Sprache:	eng
Schlagworte:	Automotive fuels Catalysts coherent X-ray diffraction imaging Electrolytic cells Electron density Nanostructure polymer electrolyte fuel cell Proton exchange membrane fuel cells Pt-Fe alloy catalyst redox-induced structural change X ray imagery X-ray diffraction
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