About: Preparation of gas diffusion electrodes for high temperature PEM-type fuel cells

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Gas diffusion electrodes (GDEs) were prepared and optimized for testing a novel electrolyte for PEM-type fuel cells operating at elevated temperatures based on polymer-supported ionic liquid (IL). For the construction of the GDE, a commercial E-TEK gas diffusion layer was employed. On its surface, a catalyst layer (CL) was deposited by the brushing technique. The catalyst ink contained a commercial, carbon-supported platinum catalyst (30 wt.% ? E-TEK), polymer binder and solvents. As a binder, polytetrafluoroethylene (PTFE) or polybenzimidazole (PBI) was applied. Various amounts of binder were used in the CL. The utilization of PBI was found to be more advantageous than PTFE. 15 wt.% PBI was identified as the optimum amount in the CL. Such electrodes exhibit a relatively good performance in a laboratory-scale single fuel cell employing commercial PBI?based membranes doped by H3PO4 (50 mW/cm2 at 0.4 V and 140 °C). Although polymer-supported IL-based membranes exhibit relatively high ionic conductivity, Gas diffusion electrodes (GDEs) were prepared and optimized for testing a novel electrolyte for PEM-type fuel cells operating at elevated temperatures based on polymer-supported ionic liquid (IL). For the construction of the GDE, a commercial E-TEK gas diffusion layer was employed. On its surface, a catalyst layer (CL) was deposited by the brushing technique. The catalyst ink contained a commercial, carbon-supported platinum catalyst (30 wt.% ? E-TEK), polymer binder and solvents. As a binder, polytetrafluoroethylene (PTFE) or polybenzimidazole (PBI) was applied. Various amounts of binder were used in the CL. The utilization of PBI was found to be more advantageous than PTFE. 15 wt.% PBI was identified as the optimum amount in the CL. Such electrodes exhibit a relatively good performance in a laboratory-scale single fuel cell employing commercial PBI?based membranes doped by H3PO4 (50 mW/cm2 at 0.4 V and 140 °C). Although polymer-supported IL-based membranes exhibit relatively high ionic conductivity, (en)
Title	Preparation of gas diffusion electrodes for high temperature PEM-type fuel cells Preparation of gas diffusion electrodes for high temperature PEM-type fuel cells (en)
skos:prefLabel	Preparation of gas diffusion electrodes for high temperature PEM-type fuel cells Preparation of gas diffusion electrodes for high temperature PEM-type fuel cells (en)
skos:notation	RIV/60461373:22310/10:00022976!RIV11-GA0-22310___
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GA203/08/0465), S, Z(AV0Z40500505), Z(MSM6046137301)
http://linked.open...iv/cisloPeriodika	14
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Bouzek, Karel Mazúr, Petr Paidar, Martin Mališ, Jakub
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta chemické technologie
http://linked.open...dnocenehoVysledku	281367
http://linked.open...ai/riv/idVysledku	RIV/60461373:22310/10:00022976
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	gas diffusion electrode; electrolyte membrane; ionic liquid; PBI; fuel cell (en)
http://linked.open.../riv/klicoveSlovo	ionic liquid gas diffusion electrode fuel cell PBI electrolyte membrane
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[48A35959357D]
http://linked.open...i/riv/nazevZdroje	Desalination and Water Treatment
http://linked.open...in/vavai/riv/obor	CG
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Development of new types of proton-conducting polymer membranes for low and intermediate temperatures fuel cells
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	2010
http://linked.open...iv/tvurceVysledku	Bouzek, Karel Mazúr, Petr Paidar, Martin Schauer, Jan Mališ, Jakub
http://linked.open...n/vavai/riv/zamer	Catalytic processes in chemistry and chemical technology Progresivní makromolekulární materiály a supramolekulární systémy: syntéza a studium vlastností, jevů a možností využití pro speciální aplikace a moderní technologie
issn	1944-3994
number of pages	5 (xsd:int)
http://localhost/t...ganizacniJednotka	22310

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