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231223s2007 xx ||||| 00| ||eng c |
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|a pubmed25n0566.xml
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|a (DE-627)NLM16973563X
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|a (NLM)17441742
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Yano, Hiroshi
|e verfasserin
|4 aut
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|a Oxygen reduction activity of carbon-supported Pt-M (M = V, Ni, Cr, Co, and Fe) alloys prepared by nanocapsule method
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|c 2007
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 11.07.2007
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|a Date Revised 15.05.2007
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Monodispersed Pt and Pt-M (M = V, Cr, Fe, Co, and Ni) alloy nanoparticles supported on carbon black (denoted as Pt/CB and Pt-M/CB) were prepared by the simultaneous reduction of platinum acetylacetonate and the second metal acetylacetonate within nanocapsules formed in diphenyl ether in the presence of carbon black. For the Pt/CBs, the average Pt diameters measured by scanning transmission electron microscopy (STEM) or X-ray diffraction (XRD) ranged from 2.0 to 2.5 nm, regardless of the catalyst-loading level from 10 to 55 wt % on CB. The alloy composition was found to be well-controlled to the projected value among the supported particles. The activities for the oxygen reduction reaction (ORR) at Nafion-coated catalysts in O2-saturated 0.1 M HClO4 solution were evaluated by using a channel flow electrode (CFE) cell at 30 degrees C. The area-specific ORR activities at Pt-M/CB were found to be 1.3 to 1.8 times higher than that at Pt/CB. The ORR activity increased in the order Pt/CB < Pt-Ni/CB < Pt-Fe/CB < Pt-Co/CB < Pt-V/CB < Pt-Cr/CB
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|a Journal Article
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1 |
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|a Kataoka, Mikihiro
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yamashita, Hisao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Uchida, Hiroyuki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Watanabe, Masahiro
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 23(2007), 11 vom: 22. Mai, Seite 6438-45
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
1 |
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|g volume:23
|g year:2007
|g number:11
|g day:22
|g month:05
|g pages:6438-45
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|a GBV_ILN_721
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|a AR
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| 952 |
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|d 23
|j 2007
|e 11
|b 22
|c 05
|h 6438-45
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