Parcourir par auteur "Gorbova, E."
Voici les éléments 1-11 de 11
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Application of Solid oxide proton-conducting electrolytes for amperometric analysis of hydrogen in H-2+N-2+H2O gas mixtures
Kalyakin, A.; Fadeyev, G.; Demin, A.; Gorbova, E.; Brouzgou, A.; Volkov, A.; Tsiakaras, P. (2014)Amperometric hydrogen sensors based on proton-conducting solid electrolytes of La0.95Sr0.05YO3, CaTi0.95Sc0.05O3 and CaZr0.9Sc0.1O3 compositions are prepared and investigated in the present work. The influence of the sensor ... -
Charge transfer properties of BaCe(0.88)Nd(0.12)O(3-delta) co-ionic electrolyte
Gorbova, E.; Zhuravlev, B. V.; Demin, A. K.; Song, S. Q.; Tsiakaras, P. E. (2006)Charge and mass transfer in an electrochemical cell, based on an electrolyte possessing both oxygen ion and proton conductivity (co-ionic electrolyte), under the gradient of steam partial pressure was considered from ... -
The effect of cobalt oxide addition on the properties of gadolinium doped barium cerate
Maragou, V.; Medvedev, D.; Gorbova, E.; Demin, A.; Tsiakaras, P. (2009)In the present work the effect of cobalt oxide addition on the density and on the electrical properties of gadolinium doped barium cerate is investigated. A series of BaCe0.9-xGd0.1CoxO3-δ (?=0.00, 0.01, 0.03, 0.05, 0.07, ... -
High temperature electrolyzer based on solid oxide co-ionic electrolyte: A theoretical model
Demin, A.; Gorbova, E.; Tsiakaras, P. (2007)In the present work a theoretical model of a solid oxide electrolyzer based on an electrolyte having both oxygen ion and proton conductivity is considered. The main parameters of the electrolytic process and an electrolyzer ... -
Influence of Cu on the properties of gadolinium-doped barium cerate
Gorbova, E.; Maragou, V.; Medvedev, D.; Demin, A.; Tsiakaras, P. (2008)In the present work the effect of copper oxide addition on the densification behavior and electrical conductivity of BaCe1-xGdxO3-delta (BCG) type ceramics is investigated. Small addition (1 mol%) of this sintering additive ... -
Influence of sintering additives of transition metals on the properties of gadolinium-doped barium cerate
Gorbova, E.; Maragou, V.; Medvedev, D.; Demin, A.; Tsiakaras, P. (2008)In the present work the effect of MOx (where M =Cu, Ni, Zn, Fe, Co, Ti) addition on the densification behavior and electrical conductivity of BaCe(0.9)d(0.1)O(3-delta) ceramics is investigated. It was found that the small ... -
Investigation of the protonic conduction in Sm doped BaCeO3
Gorbova, E.; Maragou, V.; Medvedev, D.; Demin, A.; Tsiakaras, P. (2008)In the present work the structural and electrical properties of samarium-doped barium cerate perovskites of BaCe1-xSmxO3-delta formula (with x=0-0.2), prepared by following the solid state reaction method, are investigated. ... -
Investigation of the structural and electrical properties of Co-doped BaCe0.9Gd0.1O3-delta
Medvedev, D.; Maragou, V.; Zhuravleva, T.; Demin, A.; Gorbova, E.; Tsiakaras, P. (2011)In the present work the effect of cobalt oxide addition on the density and on the electrical properties of gadolinium-doped barium cerate is investigated. A series of BaCe0.9-xGd0.1CoxO3-delta (x = 0.00, 0.01, 0.03, 0.05, ... -
Polarization study of Fe|BaCe<inf>0.5</inf>Zr<inf>0.3</inf>Y<inf>0.08</inf>Yb<inf>0.08</inf>Cu<inf>0.04</inf>O<inf>3-δ</inf>|Fe electrochemical cells in wet H<inf>2</inf> atmosphere
Mitri, S.; Medvedev, D.; Kontou, S.; Gorbova, E.; Demin, A.; Tsiakaras, P. (2015)In the present work, the steady-state current-overpotential characteristics of the Fe|BaCe<inf>0.5</inf>Zr<inf>0.3</inf>Y<inf>0.08</inf>Yb<inf>0.08</inf>Cu<inf>0.04</inf>O<inf>3-δ</inf>|Fe interface as a function of the ... -
A simple and low-cost amperometric sensor for measuring H<inf>2</inf>, CO, and CH<inf>4</inf>
Fadeyev, G.; Kalyakin, A.; Gorbova, E.; Brouzgou, A.; Demin, A.; Volkov, A.; Tsiakaras, P. (2015)The architecture and the operational features of a simple and low-cost amperometric sensor based on 0.91 ZrO<inf>2</inf> + 0.09 Y<inf>2</inf>O<inf>3</inf> solid electrolyte, used for measuring H<inf>2</inf>, CO, and ... -
A SOFC based on a co-ionic electrolyte
Demin, A.; Tsiakaras, P.; Gorbova, E.; Hramova, S. (2004)In the present work the operation of a SOFC based on a co-ionic electrolyte is considered. The special case of ion transport in a co-ionic electrolyte is analyzed. It is shown that partial ion currents do not correspond ...