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Statements

Subject Item
n2:RIV%2F00216208%3A11320%2F09%3A00207221%21RIV10-GA0-11320___
rdf:type
skos:Concept n19:Vysledek
dcterms:description
The interaction of Pt with CeO2 layers was investigated using photoelectron spectroscopy. Pt-doped CeO2 layers were deposited by radio-frequency rf magnetron sputtering using a composite CeO2-Pt target on a carbon diffusion layer of micropolymer membrane fuel cell covered by double-wall carbon nanotubes. The laboratory X-ray photoelectron spectroscopy and synchrotron radiation soft X-ray photoemission spectra showed the formation of cerium oxide with completely ionized species Pt2 ,4 embedded in the film. A small amount of Pt0 is present on the film surface only. Hydrogen/air fuel cell activity measurements normalized to the amount of used Pt revealed specific power up to 30 W/mg Pt. The activity of this material is explained by high activity of embedded Pt2 ,4 cations toward H2 dissociation and formation of protonic hydrogen. Very high specific power and low cost together with planar deposition techniques make the material promising for microfabrication of fuel cells to power mobile systems. The interaction of Pt with CeO2 layers was investigated using photoelectron spectroscopy. Pt-doped CeO2 layers were deposited by radio-frequency rf magnetron sputtering using a composite CeO2-Pt target on a carbon diffusion layer of micropolymer membrane fuel cell covered by double-wall carbon nanotubes. The laboratory X-ray photoelectron spectroscopy and synchrotron radiation soft X-ray photoemission spectra showed the formation of cerium oxide with completely ionized species Pt2 ,4 embedded in the film. A small amount of Pt0 is present on the film surface only. Hydrogen/air fuel cell activity measurements normalized to the amount of used Pt revealed specific power up to 30 W/mg Pt. The activity of this material is explained by high activity of embedded Pt2 ,4 cations toward H2 dissociation and formation of protonic hydrogen. Very high specific power and low cost together with planar deposition techniques make the material promising for microfabrication of fuel cells to power mobile systems.
dcterms:title
Anode Material for Hydrogen Polymer Membrane Fuel Cell: Pt-CeO2 RF-Sputtered Thin Films Anode Material for Hydrogen Polymer Membrane Fuel Cell: Pt-CeO2 RF-Sputtered Thin Films
skos:prefLabel
Anode Material for Hydrogen Polymer Membrane Fuel Cell: Pt-CeO2 RF-Sputtered Thin Films Anode Material for Hydrogen Polymer Membrane Fuel Cell: Pt-CeO2 RF-Sputtered Thin Films
skos:notation
RIV/00216208:11320/09:00207221!RIV10-GA0-11320___
n3:aktivita
n5:Z n5:P
n3:aktivity
P(GD202/05/H003), P(KAN100400702), Z(MSM0021620834)
n3:cisloPeriodika
8
n3:dodaniDat
n7:2010
n3:domaciTvurceVysledku
n4:1159429 n4:2281643 n4:8636303 n4:4473515
n3:druhVysledku
n14:J
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n12:predkladatel
n3:idSjednocenehoVysledku
303393
n3:idVysledku
RIV/00216208:11320/09:00207221
n3:jazykVysledku
n18:eng
n3:klicovaSlova
Anode; Material; Hydrogen; Polymer; Membrane; Pt-CeO2; RF-Sputtered; Films
n3:klicoveSlovo
n9:RF-Sputtered n9:Material n9:Pt-CeO2 n9:Hydrogen n9:Films n9:Anode n9:Polymer n9:Membrane
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[265C01B1EF4A]
n3:nazevZdroje
Journal of the Electrochemical Society
n3:obor
n11:BM
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
5
n3:projekt
n8:KAN100400702 n8:GD202%2F05%2FH003
n3:rokUplatneniVysledku
n7:2009
n3:svazekPeriodika
156
n3:tvurceVysledku
Fiala, Roman Matolínová, Iva Mysliveček, Josef Matolín, Vladimír Václavů, Michal
n3:wos
000267798500022
n3:zamer
n17:MSM0021620834
s:issn
0013-4651
s:numberOfPages
1
n13:organizacniJednotka
11320