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  Improving the intrinsic activity of electrocatalysts for sustainable energy conversion: where are we and where can we go?

Govindarajan, N., Kastlunger, G., Heenen, H., & Chan, K. (2022). Improving the intrinsic activity of electrocatalysts for sustainable energy conversion: where are we and where can we go? Chemical Science, 13(1), 14-26. doi:/10.1039/D1SC04775B.

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Govindarajan, Nitish1, Author
Kastlunger, Georg1, Author
Heenen, Hendrik1, 2, Author           
Chan, Karen1, Author
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1Catalysis Theory Center, Department of Physics, Technical University of Denmark (DTU), Fysikvej 311, 2800 Kgs. Lyngby, Denmark , ou_persistent22              
2Theory, Fritz Haber Institute, Max Planck Society, ou_634547              

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 Abstract: As we are in the midst of a climate crisis, there is an urgent need to transition to the sustainable production of fuels and chemicals. A promising strategy towards this transition is to use renewable energy for the electrochemical conversion of abundant molecules present in the earth's atmosphere such as H2O, O2, N2 and CO2, to synthetic fuels and chemicals. A cornerstone to this strategy is the development of earth abundant electrocatalysts with high intrinsic activity towards the desired products. In this perspective, we discuss the importance and challenges involved in the estimation of intrinsic activity both from the experimental and theoretical front. Through a thorough analysis of published data, we find that only modest improvements in intrinsic activity of electrocatalysts have been achieved in the past two decades which necessitates the need for a paradigm shift in electrocatalyst design. To this end, we highlight opportunities offered by tuning three components of the electrochemical environment: cations, buffering anions and the electrolyte pH. These components can significantly alter catalytic activity as demonstrated using several examples, and bring us a step closer towards complete system level optimization of electrochemical routes to sustainable energy conversion.

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Language(s): eng - English
 Dates: 2021-08-302021-11-142022-01-07
 Publication Status: Published online
 Pages: 13
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: /10.1039/D1SC04775B
 Degree: -

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Title: Chemical Science
  Other : Chem. Sci.
Source Genre: Journal
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Publ. Info: Cambridge, UK : Royal Society of Chemistry
Pages: 13 Volume / Issue: 13 (1) Sequence Number: - Start / End Page: 14 - 26 Identifier: ISSN: 2041-6520
CoNE: https://pure.mpg.de/cone/journals/resource/2041-6520