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Understanding the activity transport nexus in water and CO$_{2}$ electrolysis: State of the art, challenges and perspectives

Etzold, Bastian J. M.; Krewer, Ulrike ORCID iD icon; Thiele, Simon; Dreizler, Andreas; Klemm, Elias; Turek, Thomas


This article reviews the challenge of expanding the current research focus on water and CO2 electrolysis from catalyst-related insights towards achieving complete understanding of the activity transport nexus within full electrolysis cells. The challenge arises from the complex interaction of a multitude of phenomena taking place at different scales that span several orders of magnitude. An overview of current research on materials and components, experiments and simulations are provided. As well as obvious differences, there are similar principles and phenomena within water and CO$_{2}$ electrolysis technologies, which are extracted. Against this background, a perspective on required future research within the individual fields, and the need for a multidisciplinary research approach across natural, materials and engineering sciences to tackle the activity transport nexus is presented.

Verlagsausgabe §
DOI: 10.5445/IR/1000135672
Veröffentlicht am 18.10.2022
DOI: 10.1016/j.cej.2021.130501
Zitationen: 37
Zitationen: 41
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Angewandte Materialien – Elektrochemische Technologien (IAM-ET1)
Publikationstyp Zeitschriftenaufsatz
Publikationsdatum 15.11.2021
Sprache Englisch
Identifikator ISSN: 1385-8947, 1873-3212
KITopen-ID: 1000135672
HGF-Programm 38.03.02 (POF IV, LK 01) Power-based Fuels and Chemicals
Erschienen in Chemical Engineering Journal
Verlag Elsevier
Band 424
Seiten Art.-Nr.: 130501
Vorab online veröffentlicht am 26.05.2021
Nachgewiesen in Web of Science
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