Digitale Medien
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
81 (2002), S. 907-909
ISSN:
1077-3118
Quelle:
AIP Digital Archive
Thema:
Physik
Notizen:
An electrode structure consisting of two phases of Pt and WOx for use in thin-film fuel cells was designed and fabricated using a cosputtering system with a Pt metal and a tungsten oxide target. The coexistence of a polycrystalline Pt nanosized phase and an amorphous tungsten oxide phase in the electrode layer was confirmed by transmission electron microscopic images and x-ray diffraction data. In addition, compared with a Pt thin-film electrode, the two-phase electrode of Pt and WOx showed excellent performance for the devices because of the improved activity of the Pt metallic phase and the spill-over effect of porous tungsten oxides. © 2002 American Institute of Physics.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1063/1.1497707
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