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| Description
| - The present study focuses on the problem of using conducting polymers (CPs) in proton exchange membrane fuel cell technology. It covers the electrocatalytic properties of the CP/Pt composite, permeability of the CP film for H2, fixation of the compact CP film on the top of the Nafion(R) membrane and first results of its utilization in the fuel cell. The electrocatalytic activity of the CP/Pt composite superior to the commercially available carbon supported catalysts reported in the literature has not been proved. The main reason seems to be the very low permeability of the compact CP film for the fuel and the size of the catalyst particles. This may be an advantage with respect to the minimization of the fuel cross over, which represents a serious problem in the direct methanol fuel cell. On the other hand, it may represent a serious danger when taking water management of the fuel cell and possible drying out of the membrane into account. This fact has been recognized and alternative solutions are pre
- The present study focuses on the problem of using conducting polymers (CPs) in proton exchange membrane fuel cell technology. It covers the electrocatalytic properties of the CP/Pt composite, permeability of the CP film for H2, fixation of the compact CP film on the top of the Nafion(R) membrane and first results of its utilization in the fuel cell. The electrocatalytic activity of the CP/Pt composite superior to the commercially available carbon supported catalysts reported in the literature has not been proved. The main reason seems to be the very low permeability of the compact CP film for the fuel and the size of the catalyst particles. This may be an advantage with respect to the minimization of the fuel cross over, which represents a serious problem in the direct methanol fuel cell. On the other hand, it may represent a serious danger when taking water management of the fuel cell and possible drying out of the membrane into account. This fact has been recognized and alternative solutions are pre (en)
- Studie řeší problém využití vodivých polymerů (CP) v palivových článcích typu PEM. Zahrnuje elektrokatalytické vlastnosti kompozitů CP/Pt, permeabilitu CP-filmu pro vodík, fixaci kompaktního CP-filmu na povrch Nafionové membrány a první výsledky použití v palivovém článku. Lepší elektrokatalytická aktivita kompozitu typu CP/Pt uváděná v literatuře nebyla prokázána. Hlavním důvodem je pravděpodobně nízká propustnost kompaktního CP-filmu pro palivo a velikost částic katalyzátoru. To však může být výhoda vzhledem ke snížení průstupu paliva, který představuje významný problém v přímém methanolovém článku. Na druhou stranu může představovat vážné riziko vzhledem k vodnímu režimu palivového článku a je třeba uvažovat vysychání membrány. Tento fakt byl zjištěn a jsou navržena alternativní řešení. (cs)
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| Title
| - Utilization of Nafion(R)/Conducting Polymer Composite in the PEM type Fuel Cells
- Utilization of Nafion(R)/Conducting Polymer Composite in the PEM type Fuel Cells (en)
- Využití kompozitů typu Nafion(R)/vodivý polymer v palivových článcích typu PEM (cs)
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| skos:prefLabel
| - Utilization of Nafion(R)/Conducting Polymer Composite in the PEM type Fuel Cells
- Utilization of Nafion(R)/Conducting Polymer Composite in the PEM type Fuel Cells (en)
- Využití kompozitů typu Nafion(R)/vodivý polymer v palivových článcích typu PEM (cs)
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| skos:notation
| - RIV/60461373:22310/07:00018211!RIV08-GA0-22310___
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| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/60461373:22310/07:00018211
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - Conducting polymers; fuel cell; catalyst support; permeability; barrier layer (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - DE - Spolková republika Německo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Journal of Applied Electrochemistry
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| http://linked.open...in/vavai/riv/obor
| |
| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...iv/tvurceVysledku
| - Bouzek, Karel
- Paidar, Martin
- Kodým, Roman
- Moravcová, Sabina
- Holzhauser, Petr
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| issn
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| number of pages
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| http://localhost/t...ganizacniJednotka
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| is http://linked.open...avai/riv/vysledek
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