CO2-promoted hydrogen production in a protonic ceramic electrolysis cell

Nikolay Danilov; Arthem Tarutin; Julia Lyagaeva; Gennady Vdovin; Dmitry Medvedev

doi:10.1039/C8TA05820B

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CO₂-promoted hydrogen production in a protonic ceramic electrolysis cell†

Nikolay Danilov,

^ab Arthem Tarutin,

^ab Julia Lyagaeva,

^ab Gennady Vdovin^a and Dmitry Medvedev

*^ab

Author affiliations

* Corresponding authors

^a Laboratory of Electrochemical Devices Based on Solid Oxide Proton Electrolytes, Institute of High Temperature Electrochemistry, Yekaterinburg 620137, Russia
E-mail: dmitrymedv@mail.ru

^b Ural Federal University, Yekaterinburg 620002, Russia

Abstract

A novel solid oxide electrolysis cell based on high-performance and CO₂-tolerant materials, a BaCe_0.3Zr_0.5Dy_0.2O_3−δ proton-conducting electrolyte and a Nd_1.95Ba_0.05NiO_4+δ oxygen electrode, was successfully fabricated and tested. Unusual characteristics leading to enhanced improvement were observed for this cell when the reducing atmosphere was enriched with CO₂. A possible mechanism by which this behaviour may be explained is proposed.

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Article information

DOI: https://doi.org/10.1039/C8TA05820B
Article type: Communication
Submitted: 18 Jun 2018
Accepted: 02 Aug 2018
First published: 16 Aug 2018

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J. Mater. Chem. A, 2018,6, 16341-16346

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CO₂-promoted hydrogen production in a protonic ceramic electrolysis cell

N. Danilov, A. Tarutin, J. Lyagaeva, G. Vdovin and D. Medvedev, J. Mater. Chem. A, 2018, 6, 16341 DOI: 10.1039/C8TA05820B

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Journal of Materials Chemistry A