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Title: Low carbon fuel production from combined solid oxide CO 2 co-electrolysis and Fischer-Tropsch synthesis system : a modelling study
Authors: Xu, H
MarotoValer, MM
Ni, M 
Cao, J
Xuan, J
Keywords: Fischer-Tropsch synthesis
Hydrocarbon generation
Mathematical modelling
Solid oxide electrolyzer cell
Issue Date: 2019
Publisher: Pergamon Press
Source: Applied energy, 2019, v. 242, p. 911-918 How to cite?
Journal: Applied energy 
Abstract: CH 4 -assisted solid oxide electrolyzer cells (SOECs) can co-electrolyze H 2 O and CO 2 effectively for simultaneous energy storage and CO 2 utilization. Compared with conventional SOECs, CH 4 -assisted SOECs consume less electricity because CH 4 in the anode provides part of the energy for electrolysis. As syngas (CO and H 2 mixture) is generated from the co-electrolysis process, it is necessary to study its utilization through the subsequent processes, such as Fischer-Tropsch (F-T) synthesis to produce more value-added products. An F-T reactor can convert syngas into hydrocarbons, and thus it is very suitable for the utilization of syngas. In this paper, the combined CH 4 -assisted SOEC and F-T synthesis system is numerically studied. Validated 2D models for CH 4 -assisted SOEC and F-T processes are adopted for parametric studies. It is found that the cathode inlet H 2 O/CO 2 ratio in the SOEC significantly affects the production components through the F-T process. Other operating parameters such as the operating temperature and applied voltage of the SOEC are found to greatly affect the productions of the system. This model is important for understanding and design optimization of the combined fuel-assisted SOEC and F-T synthesis system to achieve economical hydrocarbon generation.
ISSN: 0306-2619
EISSN: 1872-9118
DOI: 10.1016/j.apenergy.2019.03.145
Rights: © 2019 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (
The following publication Xu, H., Maroto-Valer, M. M., Ni, M., Cao, J., & Xuan, J. (2019). Low carbon fuel production from combined solid oxide CO2 co-electrolysis and Fischer-Tropsch synthesis system: A modelling study. Applied energy, 242, 911-918 is available at
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