{"title":"Grand canonical view on electrochemical energetics at applied potential in a nutshell","authors":"Nicolas G. Hörmann","doi":"10.1016/j.coelec.2025.101656","DOIUrl":null,"url":null,"abstract":"<div><div>In this review, I summarize the foundations and motivation of modern grand canonical descriptions of electrified interfaces, which represent a thermodynamically consistent framework for assessing electronically adiabatic energetics and kinetics as a function of the applied electrode potential. The discussion will center around the ubiquitous coupled proton-electron transfer process at electrified metal-water interfaces and highlight the conceptual differences to the classical understanding and viewpoint. Finally, I present a range of important recent insights about the energetics of protons along their (adiabatic) adsorption path.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"51 ","pages":"Article 101656"},"PeriodicalIF":6.9000,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Current Opinion in Electrochemistry","FirstCategoryId":"92","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2451910325000158","RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/2/7 0:00:00","PubModel":"Epub","JCR":"Q1","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
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Abstract
In this review, I summarize the foundations and motivation of modern grand canonical descriptions of electrified interfaces, which represent a thermodynamically consistent framework for assessing electronically adiabatic energetics and kinetics as a function of the applied electrode potential. The discussion will center around the ubiquitous coupled proton-electron transfer process at electrified metal-water interfaces and highlight the conceptual differences to the classical understanding and viewpoint. Finally, I present a range of important recent insights about the energetics of protons along their (adiabatic) adsorption path.
期刊介绍：
The development of the Current Opinion journals stemmed from the acknowledgment of the growing challenge for specialists to stay abreast of the expanding volume of information within their field. In Current Opinion in Electrochemistry, they help the reader by providing in a systematic manner:
1.The views of experts on current advances in electrochemistry in a clear and readable form.
2.Evaluations of the most interesting papers, annotated by experts, from the great wealth of original publications.
In the realm of electrochemistry, the subject is divided into 12 themed sections, with each section undergoing an annual review cycle:
• Bioelectrochemistry • Electrocatalysis • Electrochemical Materials and Engineering • Energy Storage: Batteries and Supercapacitors • Energy Transformation • Environmental Electrochemistry • Fundamental & Theoretical Electrochemistry • Innovative Methods in Electrochemistry • Organic & Molecular Electrochemistry • Physical & Nano-Electrochemistry • Sensors & Bio-sensors •
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