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Titolo:
Resistance measurement in solid oxide fuel cells
Autore:
Jiang, SR;
Indirizzi:
Nanyang Technol Univ, Sch Mech & Prod Engn, Singapore 639798, Singapore Nanyang Technol Univ Singapore Singapore 639798 gapore 639798, Singapore
Titolo Testata:
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
fascicolo: 8, volume: 148, anno: 2001,
pagine: A887 - A897
SICI:
0013-4651(200108)148:8<A887:RMISOF>2.0.ZU;2-7
Fonte:
ISI
Lingua:
ENG
Soggetto:
SR-DOPED LAMNO3; ZIRCONIA ELECTROLYTE; OHMIC RESISTANCE; H-2 OXIDATION; OXYGEN; KINETICS; CATHODES; MICROSTRUCTURE; CONDUCTIVITY; POLARIZATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
29
Recensione:
Indirizzi per estratti:
Indirizzo: Jiang, SR Nanyang Technol Univ, Sch Mech & Prod Engn, Singapore 639798, Singapore Nanyang Technol Univ Singapore Singapore 639798 798, Singapore
Citazione:
S.R. Jiang, "Resistance measurement in solid oxide fuel cells", J ELCHEM SO, 148(8), 2001, pp. A887-A897

Abstract

A novel cell configuration has been proposed to measure resistance distribution in solid oxide fuel cells (SOFCs). In this configuration, special voltage probes which were not spot-welded to the current collector were used in addition to the conventional voltage probes which were spot-welded to thecurrent collector. The electrochemical responses measured by the conventional and the special voltage probes across the cell behaved very differentlycompared to that measured between voltage probes on the same electrode sides. The results show that the resistance associated with the electrode/current collector contact on the anode and the cathode sides could be separatedquantitatively from the resistance associated with electrode/electrolyte interface contact and electrolyte materials. The reliability of the contact resistance measured by the special voltage probes is discussed. (C) 2001 The Electrochemical Society.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 24/09/20 alle ore 11:14:53