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Digital Twin of a Hierarchical CO_2 Electrolyzer Gas Diffusion Electrode

机译：Digital Twin of a Hierarchical CO_2 Electrolyzer Gas Diffusion Electrode

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摘要

The electrochemical reduction of CO_2 provides a pathway to a sustainablecarbon cycle, allowing for the production of hydrocarbons critical for bothchemical industry and mobility. Major engineering challenges need to be metin order to achieve efficient and large-scale CO_2 electrolysis. One central challengeis to find the optimum structure for the gas diffusion electrode at theheart of the electrolyzer. An optimum structure will achieve higher conversionefficiencies, lifetime, and product selectivity at lower cost. Critical structuralproperties of the electrode span the scale from nanometers to millimeters. Torationalize the optimization process, it behooves us to obtain a fully resolvedmulti-scale model of the electrode. This digital twin, produced by bridgingscale and employing multiple imaging methods, enables the digital study,simulation, and modification of the structure of the electrode. The model isused to simulate the transport processes vital to the functioning of the electrodethus further advancing the digital twin. Subsequently, it is explored howchanges to the structure affect the predicted transport properties. The digitaltwin presented is only supposed to be the kernel and will be complementedby numerous future works.

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