2023
DOI: 10.1039/d2se01473d
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Operation strategies for a flexible megawatt scale electrolysis system for synthesis gas and hydrogen production with direct air capture of carbon dioxide

Abstract: An in-depth investigation of operation strategies for hydrogen and synthesis gas production using reactors with solid oxide cells.

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Cited by 9 publications
(4 citation statements)
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“…Other possibilities lay in the development of flexible and agile processes, which are still in their infancy, as are studies devoted to the identification of optimal placement of buffer capacities, either within the plant or with respect to energy storage. The water electrolysis community is currently exploring operation under intermittency (Kojima et al, 2023), while this operation modality in ECO2R is currently limited to studies of Solid Oxide Cells (Tomberg et al, 2023). • Power electronics installations.…”
Section: Renewable Electricity Generationmentioning
confidence: 99%
“…Other possibilities lay in the development of flexible and agile processes, which are still in their infancy, as are studies devoted to the identification of optimal placement of buffer capacities, either within the plant or with respect to energy storage. The water electrolysis community is currently exploring operation under intermittency (Kojima et al, 2023), while this operation modality in ECO2R is currently limited to studies of Solid Oxide Cells (Tomberg et al, 2023). • Power electronics installations.…”
Section: Renewable Electricity Generationmentioning
confidence: 99%
“…Further scaling/numbering up to model larger SOC modules that may interact with their surroundings will then make them relevant for the developing operating strategies for larger process applications. 15 Most SOC models considering coEl, assume that the main pathway for the consumption of carbon dioxide is through the reverse water gas shift reaction, 16 due to the high operating temperature bringing the RWGS reaction to equilibrium. A model considering the electrochemical reaction kinetics can be used to determine the veracity of this claim and determine the extent of CO 2 electrolysis.…”
Section: List Of Symbolsmentioning
confidence: 99%
“…The passive area, denoting the section around the active area in the cell that does not accommodate the electrochemical reaction; but gives the multi-layered SOC reactor mechanical stability, current collection for the reactor, and pre-heats incoming fluids is not considered here. Work on the passive area as well as usage of this framework in larger SOC reactor modules for transient operation has been done by Tomberg et al 23 (also relevant 15 ). The model is capable of both fuel cell, electrolysis and reversible operation, but focus will be put especially on coEl operation.…”
Section: List Of Symbolsmentioning
confidence: 99%
“…The up-scale of SOC systems into the MW-scale requires the understanding of the different transient scenarios during operation and how they would influence the performance of these systems, what are the drawbacks and what are the limiting factors that should be improved at the kW-scale (1). In this investigation, different operating conditions during the recirculation of emulated Fischer-Tropsch tail gas were experimentally evaluated with the motivation of increasing the conversion and reduce the net material consumption (2) (3).…”
Section: Motivationmentioning
confidence: 99%