Biogas Upgrading Using SOEC with a Ni-ScYSZ Electrode

Sune Dalgaard Ebbesen; John Bøgild Hansen; Mogens Bjerg Mogensen

doi:10.1149/05701.3217ecst

Biogas Upgrading Using SOEC with a Ni-ScYSZ Electrode

Sune Dalgaard Ebbesen, John Bøgild Hansen, Mogens Bjerg Mogensen

Department of Energy Conversion and Storage

Haldor Topsoe AS

Research output: Contribution to journal › Conference article › Research › peer-review

Abstract

Biogas consists mainly of CH4, CO2 and small amounts of H2S. The value of biogas will increase significantly if it is upgraded to pipeline quality by converting CO2 and H2O in the biogas to CO and H2 using a Solid Oxide Electrolysis Cell (SOEC) followed by methanation. The Ni-ScYSZ-cermet electrode is, however, active for steam reforming of CH4, but sulphur traces in the biogas reduce the steam reforming activity. It is proven that sulphur stops steam reforming activity whereas the electrochemistry is only affected to a limited degree, showing that up-grading of biogas using SOEC with Ni-ScYSZ electrode is feasible.

Original language	English
Journal	E C S Transactions
Volume	57
Issue number	1
Pages (from-to)	3217-3227
ISSN	1938-5862
DOIs	https://doi.org/10.1149/05701.3217ecst
Publication status	Published - 2013
Event	13th International Symposium on Solid Oxide Fuel Cells (SOFC-XIII) - Okinawa, Japan Duration: 6 Oct 2013 → 11 Oct 2013 Conference number: 13

Conference

Conference	13th International Symposium on Solid Oxide Fuel Cells (SOFC-XIII)
Number	13
Country/Territory	Japan
City	Okinawa
Period	06/10/2013 → 11/10/2013

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title = "Biogas Upgrading Using SOEC with a Ni-ScYSZ Electrode",

abstract = "Biogas consists mainly of CH4, CO2 and small amounts of H2S. The value of biogas will increase significantly if it is upgraded to pipeline quality by converting CO2 and H2O in the biogas to CO and H2 using a Solid Oxide Electrolysis Cell (SOEC) followed by methanation. The Ni-ScYSZ-cermet electrode is, however, active for steam reforming of CH4, but sulphur traces in the biogas reduce the steam reforming activity. It is proven that sulphur stops steam reforming activity whereas the electrochemistry is only affected to a limited degree, showing that up-grading of biogas using SOEC with Ni-ScYSZ electrode is feasible.",

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AU - Bøgild Hansen, John

AU - Mogensen, Mogens Bjerg

N1 - Conference code: 13

PY - 2013

Y1 - 2013

N2 - Biogas consists mainly of CH4, CO2 and small amounts of H2S. The value of biogas will increase significantly if it is upgraded to pipeline quality by converting CO2 and H2O in the biogas to CO and H2 using a Solid Oxide Electrolysis Cell (SOEC) followed by methanation. The Ni-ScYSZ-cermet electrode is, however, active for steam reforming of CH4, but sulphur traces in the biogas reduce the steam reforming activity. It is proven that sulphur stops steam reforming activity whereas the electrochemistry is only affected to a limited degree, showing that up-grading of biogas using SOEC with Ni-ScYSZ electrode is feasible.

AB - Biogas consists mainly of CH4, CO2 and small amounts of H2S. The value of biogas will increase significantly if it is upgraded to pipeline quality by converting CO2 and H2O in the biogas to CO and H2 using a Solid Oxide Electrolysis Cell (SOEC) followed by methanation. The Ni-ScYSZ-cermet electrode is, however, active for steam reforming of CH4, but sulphur traces in the biogas reduce the steam reforming activity. It is proven that sulphur stops steam reforming activity whereas the electrochemistry is only affected to a limited degree, showing that up-grading of biogas using SOEC with Ni-ScYSZ electrode is feasible.

U2 - 10.1149/05701.3217ecst

DO - 10.1149/05701.3217ecst

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EP - 3227

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JF - E C S Transactions

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T2 - 13th International Symposium on Solid Oxide Fuel Cells (SOFC-XIII)

Y2 - 6 October 2013 through 11 October 2013

ER -

Biogas Upgrading Using SOEC with a Ni-ScYSZ Electrode

Abstract

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