Proton-conducting oxides offer a promising way of lowering the working temperature of solid oxide cells to the intermediate temperate range (500 to 700°C) due to their better ionic conductivity. In addition, the application of proton-conducting oxides in both solid oxide fuel cells (SOFCs) and sold oxide electrolysis cells (SOECs) provides unique advantages compared with the use of conventional oxygen-ion conducting conductors, including the formation of water at the air electrode site. Since the discovery of proton conduction in some oxides about 30 years ago, the development of proton-conducting oxides in SOFCs and SOECs (the reverse mode of SOFCs) has gained increased attention. This paper briefly summarizes the development in the recent years of R-SOFCs with proton-conducting electrolytes, focusing on discussing the importance of adopting chemically stable materials in both fuel cell and electrolysis modes. The development of electrode materials for proton-conducting R-SOFCs is also discussed. © 2015 Elsevier B.V. All rights reserved.

Bi, L., Boulfrad, S., Traversa, E. (2015). Reversible solid oxide fuel cells (R-SOFCs) with chemically stable proton-conducting oxides. SOLID STATE IONICS, 275, 101-105 [10.1016/j.ssi.2015.03.006].

Reversible solid oxide fuel cells (R-SOFCs) with chemically stable proton-conducting oxides

TRAVERSA, ENRICO
2015-01-01

Abstract

Proton-conducting oxides offer a promising way of lowering the working temperature of solid oxide cells to the intermediate temperate range (500 to 700°C) due to their better ionic conductivity. In addition, the application of proton-conducting oxides in both solid oxide fuel cells (SOFCs) and sold oxide electrolysis cells (SOECs) provides unique advantages compared with the use of conventional oxygen-ion conducting conductors, including the formation of water at the air electrode site. Since the discovery of proton conduction in some oxides about 30 years ago, the development of proton-conducting oxides in SOFCs and SOECs (the reverse mode of SOFCs) has gained increased attention. This paper briefly summarizes the development in the recent years of R-SOFCs with proton-conducting electrolytes, focusing on discussing the importance of adopting chemically stable materials in both fuel cell and electrolysis modes. The development of electrode materials for proton-conducting R-SOFCs is also discussed. © 2015 Elsevier B.V. All rights reserved.
2015
Pubblicato
Rilevanza internazionale
Articolo
Esperti anonimi
Settore ING-IND/22 - SCIENZA E TECNOLOGIA DEI MATERIALI
English
Con Impact Factor ISI
BaCeO<inf>3</inf>; BaZrO<inf>3</inf>; Proton conductor; Solid oxide electrolysis cell (SOEC); Solid oxide fuel cell (SOFC)
http://www.scopus.com/inward/record.url?eid=2-s2.0-84939961757&partnerID=40&md5=675e62a94fbfac17248497939bb55cd8
Bi, L., Boulfrad, S., Traversa, E. (2015). Reversible solid oxide fuel cells (R-SOFCs) with chemically stable proton-conducting oxides. SOLID STATE IONICS, 275, 101-105 [10.1016/j.ssi.2015.03.006].
Bi, L; Boulfrad, S; Traversa, E
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2108/133969
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