Abstract
In a future world economy relying on geographically decentralized renewable feedstocks and fluctuating energy generation, an electrochemical access to industrially relevant chemicals presents a key concept. Herein, we demonstrate the synthesis of industrially relevant adipate and acrylate monomers from the biogenic platform chemical succinic acid. Adipic acid diethyl ester and ethyl acrylate are available with up to 74% and 58% selectivity by Kolbe and non-Kolbe electrolysis. We show RuO2-coated titanium electrodes are an excellent replacement for bulk platinum electrodes significantly reducing noble metal costs, and reduce the noble metal content further by replacing up to 75% of the ruthenium with titanium in organic systems. Economical carbon electrodes target the acrylate monomer by suppressing dimerization. Applying transient conditions derived from a real windmill energy profile, we confirmed an efficient dynamic operation paving the way for a sustainable chemical industry driven by efficient transi...
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