Co-Electrolysis of Steam and Carbon Dioxide in Solid Oxide Cells

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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Co-Electrolysis of Steam and Carbon Dioxide in Solid Oxide Cells. / Ebbesen, Sune Dalgaard; Knibbe, Ruth; Mogensen, Mogens Bjerg.

In: Electrochemical Society. Journal, Vol. 159, No. 8, 2012, p. F482-F489.

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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Author

Ebbesen, Sune Dalgaard; Knibbe, Ruth; Mogensen, Mogens Bjerg / Co-Electrolysis of Steam and Carbon Dioxide in Solid Oxide Cells.

In: Electrochemical Society. Journal, Vol. 159, No. 8, 2012, p. F482-F489.

Publication: Research - peer-reviewJournal article – Annual report year: 2012

Bibtex

@article{cff5a07ba1cc4375be013d21c6d063d6,
title = "Co-Electrolysis of Steam and Carbon Dioxide in Solid Oxide Cells",
publisher = "Electrochemical Society, Inc.",
author = "Ebbesen, {Sune Dalgaard} and Ruth Knibbe and Mogensen, {Mogens Bjerg}",
year = "2012",
doi = "10.1149/2.076208jes",
volume = "159",
number = "8",
pages = "F482--F489",
journal = "Electrochemical Society. Journal",
issn = "0013-4651",

}

RIS

TY - JOUR

T1 - Co-Electrolysis of Steam and Carbon Dioxide in Solid Oxide Cells

A1 - Ebbesen,Sune Dalgaard

A1 - Knibbe,Ruth

A1 - Mogensen,Mogens Bjerg

AU - Ebbesen,Sune Dalgaard

AU - Knibbe,Ruth

AU - Mogensen,Mogens Bjerg

PB - Electrochemical Society, Inc.

PY - 2012

Y1 - 2012

N2 - Reduction of H2O and CO2 as well as oxidation of H2 and CO was studied in a Ni/YSZ electrode supported Solid Oxide Cell (SOC) produced at DTU Energy conversion (former Risø DTU). Even though these Ni/YSZ based SOCs were developed and optimized for fuel cell use, they can work as reversible SOCs in mixtures of H2O, H2, CO2 and CO. From polarization (i-V) and electrochemical impedance spectroscopic characterization, it is evident that, electrochemical reduction of both CO2 and H2O occurs during co-electrolysis of H2O and CO2 in these Ni/YSZ based SOC. During co-electrolysis, the equilibrium of the water gas shift reaction is reached, and CO is therefore produced via the water gas shift reaction also. Significant differences during oxidation/reduction in H2O – H2 and CO2 – CO mixtures were observed implying that different reaction mechanisms apply for the mixtures.

AB - Reduction of H2O and CO2 as well as oxidation of H2 and CO was studied in a Ni/YSZ electrode supported Solid Oxide Cell (SOC) produced at DTU Energy conversion (former Risø DTU). Even though these Ni/YSZ based SOCs were developed and optimized for fuel cell use, they can work as reversible SOCs in mixtures of H2O, H2, CO2 and CO. From polarization (i-V) and electrochemical impedance spectroscopic characterization, it is evident that, electrochemical reduction of both CO2 and H2O occurs during co-electrolysis of H2O and CO2 in these Ni/YSZ based SOC. During co-electrolysis, the equilibrium of the water gas shift reaction is reached, and CO is therefore produced via the water gas shift reaction also. Significant differences during oxidation/reduction in H2O – H2 and CO2 – CO mixtures were observed implying that different reaction mechanisms apply for the mixtures.

U2 - 10.1149/2.076208jes

DO - 10.1149/2.076208jes

JO - Electrochemical Society. Journal

JF - Electrochemical Society. Journal

SN - 0013-4651

IS - 8

VL - 159

SP - F482-F489

ER -