Integration of reversible solid oxide cells with methane synthesis (ReSOC-MS) in grid stabilization

Journal article (2019)

Authors

B. Chen Energy Technology - Mechanical, Maritime and Materials Engineering , The Hong Kong Polytechnic University
S. Hajimolana Energy Technology - Mechanical, Maritime and Materials Engineering
V. Venkataraman Energy Technology - Mechanical, Maritime and Materials Engineering
Meng Ni The Hong Kong Polytechnic University
P.V. Aravind Energy Technology - Mechanical, Maritime and Materials Engineering
Research Group
Energy Technology (Mechanical, Maritime and Materials Engineering) (TU Delft)
Copyright: © 2019 B. Chen, S. Hajimolana, V. Venkataraman, Meng Ni, P.V. Aravind
DOI: https://doi.org/10.1016/j.egypro.2019.01.479
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Published Date

2019

Language

English

Faculty

Mechanical, Maritime and Materials Engineering

Department

Process and Energy

Research Group

Energy Technology

Abstract

The power to gas process concept is promising for the next generation of grid electricity storage and stabilization technologies. The electricity-driven fuel production can be chosen to be the efficient energy carrier for excessive grid power. Here, a reversible solid oxide cells system integrated with methane synthesis (ReSOC-MS) is proposed for the grid stabilization application at MW class. Besides H2, CH4 can be inclusively synthesized at grid surplus conditions as a transportation friendly energy carrier. A control strategy is proposed for this combined system, based on the grid state and H2 tank state of the system for the normal SOFC mode and SOEC mode operating. Simulation results of these two modes operating demonstrate that the ReSOC-MS can achieve an 85.34% power to gas efficiency at SOEC mode and 46.95% gas to power efficiency at SOFC mode.