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The effects of oxidant gas composition on the polarization of porous LiCoO2 electrodes for the molten carbonate fuel cell
KTH, Tidigare Institutioner                               , Kemiteknik.ORCID-id: 0000-0002-2268-5042
KTH, Tidigare Institutioner                               , Kemiteknik.
1997 (engelsk)Inngår i: Journal of the Electrochemical Society, ISSN 0013-4651, E-ISSN 1945-7111, Vol. 144, nr 11, s. 3813-3818Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Stationary polarization curves were obtained for porous lithium cobaltite cathodes under varying temperatures and oxidant compositions. The exchange current densities were determined from the slope at low overpotentials by means of numerical calculations, taking into account the current density distribution. Positive influences on the exchange current density were found both for the partial pressure of oxygen and carbon dioxide. The results are similar to earlier data obtained from measurements on NiO electrodes. The values are not consistent with either the peroxide mechanism or the superoxide mechanism, two mechanisms often proposed in the literature.

sted, utgiver, år, opplag, sider
1997. Vol. 144, nr 11, s. 3813-3818
Identifikatorer
URN: urn:nbn:se:kth:diva-12882ISI: A1997YF27200027OAI: oai:DiVA.org:kth-12882DiVA, id: diva2:319520
Merknad
QC 20100518Tilgjengelig fra: 2010-05-18 Laget: 2010-05-18 Sist oppdatert: 2017-12-12bibliografisk kontrollert
Inngår i avhandling
1. Electrochemical performance of porous MCFC cathodes
Åpne denne publikasjonen i ny fane eller vindu >>Electrochemical performance of porous MCFC cathodes
1997 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
sted, utgiver, år, opplag, sider
Stockholm: KTH, 1997. s. ix, 55
Serie
Trita-KET, ISSN 1104-3466
Emneord
molten carbonate fuel cell, MCFC cathode, LiCoO2, NiO, porous electrode, polarisation, performance, reaction mechanisms, conductivity
HSV kategori
Identifikatorer
urn:nbn:se:kth:diva-2473 (URN)99-2384406-4 (ISBN)
Disputas
1997-03-01, 00:00 (engelsk)
Merknad
QC 20100511Tilgjengelig fra: 2000-01-01 Laget: 2000-01-01 Sist oppdatert: 2010-05-18bibliografisk kontrollert

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