High-temperature electrolysis

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Related publications (28)

Modeling and assessment of high-temperature photo-electrochemical devices

Ronald Ramiro Gutierrez Perez

In this thesis, the feasibility and performance of photo-driven electrochemical (PEC) devices working at elevated temperatures (T>700 K) is investigated and modeled. In such high-temperature PEC devices, a part of the solar spectrum is used for generating ...

EPFL2022

Effects of impurities and local behavior characterization using active thermography on solid oxide electrolysis cells

Guillaume Jeanmonod

Ambitious policies are needed from every country to drastically curtail the anthropogenic emission of greenhouse gases responsible for the on-going modification of the earth's climate. A quick transition towards a society fully based on renewable materials ...

EPFL2021

Optimized hierarchical nickel sulfide as a highly active bifunctional catalyst for overall water splitting

Pengzuo Chen, Yun Tong

Rational design of non-noble metal electrocatalysts with high intrinsic activity for both the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) is extremely impressive for sustainable electrocatalytic water splitting systems. However, i ...

2021

Poisoning effects of chlorine on a solid oxide cell operated in co-electrolysis

Jan Van Herle, Stefan Diethelm, Guillaume Jeanmonod

Although the effects of impurities on the Ni-YSZ electrode of a solid oxide cell in fuel cell operation have been studied, reports on their effects during electrolysis operation are limited. Here, short-term experiments at various current densities and a d ...

ELSEVIER2021

Recent progress in syngas production via catalytic CO2 hydrogenation reaction

Oliver Kröcher, Alimohammad Bahmanpour

Synthesis gas production through the catalytic reverse water-gas shift (RWGS) reaction is an attractive option for the conversion of CO2 to fuels. Many metal-based catalysts have been introduced for this reaction in order to provide high activity, CO selec ...

ELSEVIER2021

Techno-economic optimization of biomass-to-methanol with solid-oxide electrolyzer

François Maréchal, Jan Van Herle, Ligang Wang, Maria del Mar Perez Fortes, Hanfei Zhang

The purpose of this paper is to assess techno-economically the integration of solid-oxide electrolysis in biomass-to-methanol processes: (1) The hydrogen produced by electrolysis can be used to adjust the composition of syngas from gasification to increase ...

ELSEVIER SCI LTD2020

Techno-economic evaluation of biomass-to-fuels with solid-oxide electrolyzer

François Maréchal, Jan Van Herle, Ligang Wang, Hanfei Zhang

Thermochemical biomass-to-fuel conversion requires an increased hydrogen concentration in the syngas derived from gasification, which is currently achieved by water–gas-shift reaction and CO2 removal. State-of-the-art biomass-to-fuels convert less than hal ...

2020

The effect of SO2 on the Ni-YSZ electrode of a solid oxide electrolyzer cell operated in co-electrolysis

Jan Van Herle, Stefan Diethelm, Guillaume Jeanmonod

In this work, the effect of sulphur poisoning of the Ni-YSZ electrode of an SOEC operated in co-electrolysis mode was investigated. Short-term tests with exposure up to 5 ppmv of SO2 were performed at OCV and under polarization (0.25 A cm−2). The two-stage ...

2020

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