Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

The Effect of Ni-Modified LSFCO Promoting Layer on the Gas Produced Through Co-Electrolysis of CO2 and H2O at Intermediate Temperatures

Version 1 : Received: 21 December 2020 / Approved: 22 December 2020 / Online: 22 December 2020 (14:15:45 CET)

A peer-reviewed article of this Preprint also exists.

Lo Faro, M.; Campagna Zignani, S.; Antonucci, V.; Aricò, A.S. The Effect of Ni-Modified LSFCO Promoting Layer on the Gas Produced through Co-Electrolysis of CO2 and H2O at Intermediate Temperatures. Catalysts 2021, 11, 56. Lo Faro, M.; Campagna Zignani, S.; Antonucci, V.; Aricò, A.S. The Effect of Ni-Modified LSFCO Promoting Layer on the Gas Produced through Co-Electrolysis of CO2 and H2O at Intermediate Temperatures. Catalysts 2021, 11, 56.

Journal reference: Catalysts 2021, 11, 56
DOI: 10.3390/catal11010056

Abstract

The co-electrolysis of CO2 and H2O at intermediate temperature is a viable approach for the power-to-gas conversion that deserves for further investigation, considering the need for green energy storage. The commercial solid oxide electrolyser is a promising device, but it is still facing to solve issues concerning the high operating temperatures and the improvement of gas value. In this paper we reported the recent findings of a simple approach that we have amply suggested for solid oxide cells consisting in the addition of a functional layer coated to the fuel electrode of commercial electrochemical cells. This approach simplifies the transition to the next generation of cells manufactured with the most promising materials currently developed and improves the gas value in the outlet stream of cell. Here, the material in use as a coating layer consisted of a Ni-modified La0.6Sr0.4Fe0.8Co0.2O3 which was developed and demonstrated as promising fuel electrode for solid oxide fuel cells. The results discussed in this paper proved the positive role of Ni-modified perovskite as a coating layer for the cathode, since an improvement of about twice was obtained about the quality of gas produced.

Subject Areas

valorization of CO2; solid oxide electrochemical cells; green methane; energy storage; power-to-gas

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