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Statements

Subject Item
n2:RIV%2F60461373%3A22310%2F04%3A00012286%21RIV%2F2005%2FGA0%2F223105%2FN
rdf:type
n11:Vysledek skos:Concept
dcterms:description
Proton exchange membrane type fuel cells (PEMFC) are proposed as an efficient and ecologically friendly power source of the future. Especially a PEMFC based on the methanol oxidation reaction (MOR) is considered to be suitable as a power source for portable applications. Currently the biggest problems of the methanol PEMFC are the low degree of utilization of the catalyst and its poor resistivity to poisoning by methanol oxidation intermediates and products. These two facts have a negative impact on the total price because the catalyst is usually based on platinum metals and their alloys.As one solution for improving the activity of the catalyst the use of a conducting polymer (CP) matrix is proposed. In this case the composite electrode is composed of platinum catalyst particles incorporated into a CP matrix and this layer is in direct contact with the proton exchange membrane. Polypyrrole (PPy) is one of the envisaged materials on account of its relatively high chemical stability in an acidic enviro Aktivita kompozitů typu polypyrrol-Pt vyvinutých pro PEMFC aplikace Proton exchange membrane type fuel cells (PEMFC) are proposed as an efficient and ecologically friendly power source of the future. Especially a PEMFC based on the methanol oxidation reaction (MOR) is considered to be suitable as a power source for portable applications. Currently the biggest problems of the methanol PEMFC are the low degree of utilization of the catalyst and its poor resistivity to poisoning by methanol oxidation intermediates and products. These two facts have a negative impact on the total price because the catalyst is usually based on platinum metals and their alloys.As one solution for improving the activity of the catalyst the use of a conducting polymer (CP) matrix is proposed. In this case the composite electrode is composed of platinum catalyst particles incorporated into a CP matrix and this layer is in direct contact with the proton exchange membrane. Polypyrrole (PPy) is one of the envisaged materials on account of its relatively high chemical stability in an acidic enviro
dcterms:title
Activity of polypyrrole-Pt composites designed for methanol PEMFC applications Activity of polypyrrole-Pt composites designed for methanol PEMFC applications Aktivita kompozitů typu polypyrrol-Pt vyvinutých pro PEMFC aplikace
skos:prefLabel
Activity of polypyrrole-Pt composites designed for methanol PEMFC applications Aktivita kompozitů typu polypyrrol-Pt vyvinutých pro PEMFC aplikace Activity of polypyrrole-Pt composites designed for methanol PEMFC applications
skos:notation
RIV/60461373:22310/04:00012286!RIV/2005/GA0/223105/N
n5:strany
1357
n5:aktivita
n18:P
n5:aktivity
P(GA104/02/0664)
n5:dodaniDat
n17:2005
n5:domaciTvurceVysledku
n7:6051782 n7:7242654 n7:2059428
n5:druhVysledku
n9:D
n5:duvernostUdaju
n13:S
n5:entitaPredkladatele
n12:predkladatel
n5:idSjednocenehoVysledku
553472
n5:idVysledku
RIV/60461373:22310/04:00012286
n5:jazykVysledku
n8:eng
n5:klicovaSlova
DMFC;Nafion;polypyrrole;platinum;methanol oxidation
n5:klicoveSlovo
n6:Nafion n6:polypyrrole n6:DMFC n6:platinum n6:methanol%20oxidation
n5:kontrolniKodProRIV
[DED1B35D0A53]
n5:mistoKonaniAkce
Thessaloniki
n5:mistoVydani
Thessaloniki
n5:nazevZdroje
55th Annual Meeting of the International Society of Electrochemistry. Book of Abstracts I.
n5:obor
n16:CG
n5:pocetDomacichTvurcuVysledku
3
n5:pocetTvurcuVysledku
4
n5:projekt
n19:GA104%2F02%2F0664
n5:rokUplatneniVysledku
n17:2004
n5:tvurceVysledku
Juettner, K. Bouzek, Karel Moravcová, Sabina Holzhauser, Petr
n5:typAkce
n14:EUR
n5:zahajeniAkce
2004-09-19+02:00
s:numberOfPages
1
n4:hasPublisher
International Society of Electrochemistry, Ziti Publl.
n15:organizacniJednotka
22310