Oxide Cathodes for Electrochemical Devices Made with the Use of a Nanostructured Composition Material Full article
Journal |
Russian Journal of Electrochemistry
ISSN: 1023-1935 , E-ISSN: 1608-3342 |
||||||
---|---|---|---|---|---|---|---|
Output data | Year: 2012, Volume: 48, Number: 10, Pages: 981-985 Pages count : 5 DOI: 10.1134/S1023193512100138 | ||||||
Tags | (La,Sr)MnO 3, Electrocatalytic additive PrO2 - x, Electrochemical activity, Mischmetal, Nanostructured composite, Ohmic resistance | ||||||
Authors |
|
||||||
Affiliations |
|
Funding (1)
1 | Siberian Branch of the Russian Academy of Sciences |
Abstract:
The possibility of using the LnO x mischmetal (Ln = Ce, La, Nd, Pr, Sm) for preparation of cathodes for solid-oxide fuel cells with the supported YSZ electrolyte is studied. The electrical and electrochemical characteristics of Ln-Mn-O electrodes with the ratio of all lanthanides contained in the mischmetal except for cerium to manganese Ln: Mn = 1: 1 and also of a material comprised of Ln-Mn-O and La0.8Sr0.2MnO3 are studied. The latter electrode material that contains 35–40 wt % of Ln-Mn-O and was sintered at 1200°C has the specific ohmic resistance of 0.1 Ω cm at 800°C. The polarization conductivity is compared for electrodes made of 100% Ln-Mn-O, 40 wt % Ln-Mn-O + 60 wt % La0.8Sr0.2MnO3, and 100% La0.8Sr0.2MnO3 in the initial state and after their modification through the introduction of an electrocatalyst (PrO2 − x ). The highest polarization conductivity is typical of Ln-Mn-O + (La, Sr)MnO3 electrodes containing 40 wt % Ln-Mn-O and PrO2 − x . The polarization conductivity of these electrodes is found to be 25 S/cm2 at 800°C.
Cite:
Yaroslavtsev I.Y.
, Bronin D.I.
, Vdovin G.K.
, Isupova L.A.
Oxide Cathodes for Electrochemical Devices Made with the Use of a Nanostructured Composition Material
Russian Journal of Electrochemistry. 2012. V.48. N10. P.981-985. DOI: 10.1134/S1023193512100138 WOS Scopus РИНЦ
Oxide Cathodes for Electrochemical Devices Made with the Use of a Nanostructured Composition Material
Russian Journal of Electrochemistry. 2012. V.48. N10. P.981-985. DOI: 10.1134/S1023193512100138 WOS Scopus РИНЦ
Original:
Ярославцев И.Ю.
, Бронин Д.И.
, Вдовин Г.К.
, Исупова Л.А.
Оксидные катоды для электрохимических устройств, изготовлпеннные с применением наноструктурированного композиционного материала.
Электрохимия. 2012. Т.48. №10. С.1084-1089. РИНЦ
Оксидные катоды для электрохимических устройств, изготовлпеннные с применением наноструктурированного композиционного материала.
Электрохимия. 2012. Т.48. №10. С.1084-1089. РИНЦ
Dates:
Submitted: | Oct 24, 2011 |
Published print: | Oct 1, 2012 |
Published online: | Oct 17, 2012 |
Identifiers:
Web of science | WOS:000310022400005 |
Scopus | 2-s2.0-84869071028 |
Elibrary | 19135752 |
Chemical Abstracts | 2012:1511237 |
Chemical Abstracts (print) | 158:135750 |
OpenAlex | W2010024832 |