About: H+ and Na+ Ion Transport Properties of Sulfonated Poly(2,6-dimethyl-1,4- phenylenoxide) Membranes

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About: H+ and Na+ Ion Transport Properties of Sulfonated Poly(2,6-dimethyl-1,4- phenylenoxide) Membranes Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Diffusion coefficients of H+ and Na+ ions in sulphonated poly(2,6?dimethyl?1,4? phenylene oxide) (PPO) intermolecularly crosslinked with poly(2?butylaniline) (PBA) or poly?[2,2'-(m-phenylene)-5,5'-bibenzimidazole] (PBI) were evaluated from conductivity and H+/Na+ ion exchange measurements. Ion exchange capacity and transport properties of the PPO membranes with a degree of sulphonation higher than 29 % are comparable to those of Nafion. The observed deterioration of ion exchange capacity and ion transport with increasing content of the crosslinking agent is related to the partial occupation of the fixed sulpho- groups by the tertiary nitrogen groups present in the PBA and PBI. Diffusion coefficients of H+ and Na+ ions in sulphonated poly(2,6?dimethyl?1,4? phenylene oxide) (PPO) intermolecularly crosslinked with poly(2?butylaniline) (PBA) or poly?[2,2'-(m-phenylene)-5,5'-bibenzimidazole] (PBI) were evaluated from conductivity and H+/Na+ ion exchange measurements. Ion exchange capacity and transport properties of the PPO membranes with a degree of sulphonation higher than 29 % are comparable to those of Nafion. The observed deterioration of ion exchange capacity and ion transport with increasing content of the crosslinking agent is related to the partial occupation of the fixed sulpho- groups by the tertiary nitrogen groups present in the PBA and PBI. (en)
Title	H+ and Na+ Ion Transport Properties of Sulfonated Poly(2,6-dimethyl-1,4- phenylenoxide) Membranes H+ and Na+ Ion Transport Properties of Sulfonated Poly(2,6-dimethyl-1,4- phenylenoxide) Membranes (en)
skos:prefLabel	H+ and Na+ Ion Transport Properties of Sulfonated Poly(2,6-dimethyl-1,4- phenylenoxide) Membranes H+ and Na+ Ion Transport Properties of Sulfonated Poly(2,6-dimethyl-1,4- phenylenoxide) Membranes (en)
skos:notation	RIV/60461373:22310/03:00007899!RIV/2004/GA0/223104/N
http://linked.open.../vavai/riv/strany	E329-E336
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA104/02/0664)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Bouzek, Karel
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	608586
http://linked.open...ai/riv/idVysledku	RIV/60461373:22310/03:00007899
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ion selective membranes, PEMFC, popyphenylenoxide (en)
http://linked.open.../riv/klicoveSlovo	PEMFC ion selective membranes popyphenylenoxide
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[3D1D919138E2]
http://linked.open...i/riv/nazevZdroje	Journal of the Electrochemical Society
http://linked.open...in/vavai/riv/obor	CG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Platinum modified conductiong polymers as an alternative anode material for the low temperature fuel cells
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	150
http://linked.open...iv/tvurceVysledku	Bouzek, Karel Samec, Zdeněk Schauer, Jan Moravcová, Sabina
issn	0013-4651
number of pages	7 (xsd:int)
http://localhost/t...ganizacniJednotka	22310

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