CsH2PO4 as Electrolyte for the Formation of CH4 by Electrochemical Reduction of CO2

Erik Christensen; Irina Petrushina; Aleksey Valerievich Nikiforov; Rolf W. Berg; Niels J. Bjerrum

doi:10.1149/1945-7111/ab75fa

CsH₂PO₄ as Electrolyte for the Formation of CH₄by Electrochemical Reduction of CO₂

Erik Christensen, Irina Petrushina, Aleksey Valerievich Nikiforov, Rolf W. Berg, Niels J. Bjerrum^*

^*Corresponding author for this work

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

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Abstract

It has been shown that methane can be formed in high amounts by co-electrolysis of CO₂ and H₂O using a nickel cathode, a CsH₂PO₄–SiC composite electrolyte and an IrO₂ anode. The experimental conditions were 300 °C and 8 bar. The maximum efficiency close to 100% for methane was obtained at a current density of 10–15 mA cm⁻². A small amount of hydrogen was formed as the only other product.

Original language	English
Article number	044511
Journal	Journal of the Electrochemical Society
Volume	167
Issue number	4
Number of pages	5
ISSN	0013-4651
DOIs	https://doi.org/10.1149/1945-7111/ab75fa
Publication status	Published - 2020

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title = "CsH2PO4 as Electrolyte for the Formation of CH4 by Electrochemical Reduction of CO2",

abstract = "It has been shown that methane can be formed in high amounts by co-electrolysis of CO2 and H2O using a nickel cathode, a CsH2PO4–SiC composite electrolyte and an IrO2 anode. The experimental conditions were 300 °C and 8 bar. The maximum efficiency close to 100% for methane was obtained at a current density of 10–15 mA cm−2. A small amount of hydrogen was formed as the only other product.",

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AU - Christensen, Erik

AU - Petrushina, Irina

AU - Nikiforov, Aleksey Valerievich

AU - Berg, Rolf W.

AU - Bjerrum, Niels J.

PY - 2020

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AB - It has been shown that methane can be formed in high amounts by co-electrolysis of CO2 and H2O using a nickel cathode, a CsH2PO4–SiC composite electrolyte and an IrO2 anode. The experimental conditions were 300 °C and 8 bar. The maximum efficiency close to 100% for methane was obtained at a current density of 10–15 mA cm−2. A small amount of hydrogen was formed as the only other product.

U2 - 10.1149/1945-7111/ab75fa

DO - 10.1149/1945-7111/ab75fa

M3 - Journal article

SN - 0013-4651

VL - 167

JO - Journal of the Electrochemical Society

JF - Journal of the Electrochemical Society

IS - 4

M1 - 044511

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