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Single-entity electrochemistry: Unveiling nanoparticle behavior with advanced scanning probe electrochemical techniques 单实体电化学：揭示纳米粒子行为与先进的扫描探针电化学技术
IF 7.9 2区 化学
Current Opinion in Electrochemistry Pub Date : 2025-05-22 DOI: 10.1016/j.coelec.2025.101710
Aruchamy Gowrisankar , Vishal Pandurang Bhandigare , Kyungsoon Park , Byung-Kwon Kim
{"title":"Single-entity electrochemistry: Unveiling nanoparticle behavior with advanced scanning probe electrochemical techniques","authors":"Aruchamy Gowrisankar ,&nbsp;Vishal Pandurang Bhandigare ,&nbsp;Kyungsoon Park ,&nbsp;Byung-Kwon Kim","doi":"10.1016/j.coelec.2025.101710","DOIUrl":"10.1016/j.coelec.2025.101710","url":null,"abstract":"<div><div>The advancement of sophisticated electroanalytical techniques has attracted significant interest in investigating the fundamental properties of individual nanoparticles. This review highlights recent developments in scanning probe microscopy (SPM), including scanning electrochemical cell microscopy (SECCM), electrochemical scanning tunneling microscopy (EC-STM), and electrochemical atomic force microscopy (EC-AFM). These SPM techniques provide complementary insights into nanoparticle size, morphology, electronic structure, and surface reactivity. SECCM enables localized electrochemical analysis with high spatial resolution, while EC-STM and EC-AFM facilitate nanoscale imaging and the identification of active sites involved in electrocatalytic reactions. One of the most promising strategies involves integrating these techniques to establish structure–activity correlations at the single-nanoparticle level, thereby enhancing characterization capabilities. We demonstrate how hybrid characterization techniques can be employed to capture in situ information during complex electrochemical processes at the electrode–electrolyte interface. Specifically, we highlight the monitoring and measurement of local electrochemical processes using high-spatial-resolution imaging in correlation with single-entity electrochemistry techniques.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"52 ","pages":"Article 101710"},"PeriodicalIF":7.9,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144271840","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recent progress and prospects in single-atom catalyst-based electrochemical synthesis of ammonia 基于单原子催化剂的电化学合成氨研究进展与展望
IF 7.9 2区 化学
Current Opinion in Electrochemistry Pub Date : 2025-05-19 DOI: 10.1016/j.coelec.2025.101708
Muhammad Yasir , Zhiliang Zhao , Hasuck Kim , Xinyi Zhang
{"title":"Recent progress and prospects in single-atom catalyst-based electrochemical synthesis of ammonia","authors":"Muhammad Yasir ,&nbsp;Zhiliang Zhao ,&nbsp;Hasuck Kim ,&nbsp;Xinyi Zhang","doi":"10.1016/j.coelec.2025.101708","DOIUrl":"10.1016/j.coelec.2025.101708","url":null,"abstract":"<div><div>Single-atom catalysts (SACs), with atomically distributed metal centers, high activity and maximized atom utilization efficiency, have attracted great attention in catalysis. Great efforts have been made on the development of new strategies for the synthesis of single-atom catalysts. In the design of SACs, substrates are materials that host the single atoms, providing a stable and accessible surface for catalytic reactions. The interaction between the single metal atoms and the substrate (carrier or support) is critical as it determines the stability and activity of the catalyst. Unraveling the substrate adsorption structure–performance relationship is pivotal for supported metal single-atom catalysts. On the other hand, the catalytic performance largely depends on the interaction among single atoms. In this review, we summarize in SACs-based electrochemical synthesis of ammonia. The reaction mechanism of these single-atom catalysts and their applications are discussed and assessed. Finally, the perspectives of SACs for future applications are previewed.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"52 ","pages":"Article 101708"},"PeriodicalIF":7.9,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144223639","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Corrigendum to “Application of pulsed electrolysis in organic electrosynthesis” [Curr Opin Electrochem 44 (2024) 101441] “脉冲电解在有机电合成中的应用”的更正[Curr Opin Electrochem 44 (2024) 101441]
IF 7.9 2区 化学
Current Opinion in Electrochemistry Pub Date : 2025-05-13 DOI: 10.1016/j.coelec.2025.101709
Alexander P. Atkins, Alastair J.J. Lennox
{"title":"Corrigendum to “Application of pulsed electrolysis in organic electrosynthesis” [Curr Opin Electrochem 44 (2024) 101441]","authors":"Alexander P. Atkins,&nbsp;Alastair J.J. Lennox","doi":"10.1016/j.coelec.2025.101709","DOIUrl":"10.1016/j.coelec.2025.101709","url":null,"abstract":"","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"52 ","pages":"Article 101709"},"PeriodicalIF":7.9,"publicationDate":"2025-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144205797","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The role of anions and additives in electrochemical CO2 reduction 阴离子和添加剂在电化学CO2还原中的作用
IF 7.9 2区 化学
Current Opinion in Electrochemistry Pub Date : 2025-05-10 DOI: 10.1016/j.coelec.2025.101707
Katharina Trapp, Jimun Yoo , Maria R. Lukatskaya
{"title":"The role of anions and additives in electrochemical CO2 reduction","authors":"Katharina Trapp,&nbsp;Jimun Yoo ,&nbsp;Maria R. Lukatskaya","doi":"10.1016/j.coelec.2025.101707","DOIUrl":"10.1016/j.coelec.2025.101707","url":null,"abstract":"<div><div>The electrochemical reduction of CO<sub>2</sub> (eCO<sub>2</sub>R) is governed by complex interactions at the electrode-electrolyte interface. Recent studies show that electrolyte species in the electrical double layer can strongly affect the CO<sub>2</sub> reduction activity and selectivity. While the role of cations in eCO<sub>2</sub>R is relatively well understood, recent studies show that anions and molecular additives can be equally influential. Here, we discuss how these species can facilitate eCO<sub>2</sub>R intermediate stabilization and suppress the hydrogen evolution reaction, enhancing the activity and selectivity of eCO<sub>2</sub>R.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"52 ","pages":"Article 101707"},"PeriodicalIF":7.9,"publicationDate":"2025-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144184318","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhanced stability of monolayers for quantum transport applications 在量子输运应用中增强单层膜的稳定性
IF 7.9 2区 化学
Current Opinion in Electrochemistry Pub Date : 2025-05-08 DOI: 10.1016/j.coelec.2025.101706
Gyu Don Kong, Xin He, Peng He, Hyo Jae Yoon
{"title":"Enhanced stability of monolayers for quantum transport applications","authors":"Gyu Don Kong,&nbsp;Xin He,&nbsp;Peng He,&nbsp;Hyo Jae Yoon","doi":"10.1016/j.coelec.2025.101706","DOIUrl":"10.1016/j.coelec.2025.101706","url":null,"abstract":"<div><div>Recent advances in self-assembled monolayers (SAMs) have overcome longstanding stability challenges, unlocking new opportunities for molecular-scale devices in quantum transport applications. This review highlights key developments focused on enhancing the electrical and thermal robustness of SAMs. The Repeated Surface Exchange of Molecules (ReSEM) method significantly improves breakdown voltages by mixing two molecular species to reduce packing defects and nanoscale pinholes, enabling access to deeper molecular orbital energy levels. Additionally, N-heterocyclic carbene (NHC) anchor groups deliver exceptional thermal stability, sustaining consistent thermoelectric performance at temperatures up to 573 K. These breakthroughs expand the functional versatility of SAM-based molecular junctions, paving the way for their integration into practical electronic, thermoelectric, and sensing technologies.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"52 ","pages":"Article 101706"},"PeriodicalIF":7.9,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144134566","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of cations on the electro-oxidation of alcohols and polyols on Pt: Activity, selectivity, and mechanistic insights 阳离子对醇和多元醇电氧化对铂的影响：活性、选择性和机理
IF 7.9 2区 化学
Current Opinion in Electrochemistry Pub Date : 2025-05-07 DOI: 10.1016/j.coelec.2025.101705
Victor Y. Yukuhiro , Alan J. Gibson , Elton Sitta , Angel Cuesta , Pablo S. Fernández
{"title":"Effect of cations on the electro-oxidation of alcohols and polyols on Pt: Activity, selectivity, and mechanistic insights","authors":"Victor Y. Yukuhiro ,&nbsp;Alan J. Gibson ,&nbsp;Elton Sitta ,&nbsp;Angel Cuesta ,&nbsp;Pablo S. Fernández","doi":"10.1016/j.coelec.2025.101705","DOIUrl":"10.1016/j.coelec.2025.101705","url":null,"abstract":"<div><div>Understanding the role of cations in the electro-oxidation of alcohols and polyols (EOAP) on Pt electrodes is essential for optimizing electrocatalytic processes in energy conversion and chemical production. This review explores how cations modulate activity, selectivity, and dynamic behavior during the EOAP. Larger cations, such as K<sup>+</sup>, enhance reaction rates and facilitate C–C bond cleavage, whereas smaller cations like Li<sup>+</sup> promote CO<sub>ad</sub> oxidation and the formation of inactive Pt oxides. The interplay between cations, adsorbed intermediates, and the electrode surface is analysed using complementary electrochemical and in situ spectroscopic techniques, covering hypotheses proposed to explain these observations. Despite progress, fundamental questions remain regarding the microscopic origins of cation effects, including the relative stabilities of key intermediates, how these stabilities influence their formation and oxidation, and ultimately how they govern the deactivation of Pt surfaces via the formation of inactive Pt oxides.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"52 ","pages":"Article 101705"},"PeriodicalIF":7.9,"publicationDate":"2025-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144123309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrochemical analysis in micrometer and nanometer-sized droplets on a surface: From static toward dynamic 表面微米级和纳米级液滴的电化学分析：从静态到动态
IF 7.9 2区 化学
Current Opinion in Electrochemistry Pub Date : 2025-05-03 DOI: 10.1016/j.coelec.2025.101704
Liang Liu
{"title":"Electrochemical analysis in micrometer and nanometer-sized droplets on a surface: From static toward dynamic","authors":"Liang Liu","doi":"10.1016/j.coelec.2025.101704","DOIUrl":"10.1016/j.coelec.2025.101704","url":null,"abstract":"<div><div>This mini-review discusses about the recent progress in electrochemical analysis of micrometer- and nanometer-sized droplets. The static droplet on a support is only briefly mentioned, with the focus placed on dynamic droplets that hit, land, and evolve on electrodes. The analysis of hitting droplets generally follows the norm of single-entity electrochemistry, which tracks collision events between the droplet and the electrodes. The landing droplet approach confines the electrochemical measurements in the area of droplet/sample contact. In general, we emphasize that the droplet is not a solid object; it may dynamically deform before, during, and after hitting or landing on the electrode surface, as governed by interfacial tensions. These tensions can be affected by the chemical reactions occurring at the droplet/electrode or droplet/environment interface, which is often underestimated. Thus, unifying the treatment of shape and composition changes considering conjugated physical and chemical effect would be highly desired in future.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"52 ","pages":"Article 101704"},"PeriodicalIF":7.9,"publicationDate":"2025-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144123308","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
In-situ high-throughput nanoelectrochemistry for battery characterization 原位高通量纳米电化学电池表征
IF 7.9 2区 化学
Current Opinion in Electrochemistry Pub Date : 2025-05-03 DOI: 10.1016/j.coelec.2025.101693
Si-Min Lu, Jean-François Lemineur, Jean-Marc Noël, Frédéric Kanoufi
{"title":"In-situ high-throughput nanoelectrochemistry for battery characterization","authors":"Si-Min Lu,&nbsp;Jean-François Lemineur,&nbsp;Jean-Marc Noël,&nbsp;Frédéric Kanoufi","doi":"10.1016/j.coelec.2025.101693","DOIUrl":"10.1016/j.coelec.2025.101693","url":null,"abstract":"<div><div>A comprehensive understanding of dynamic structure–activity relationships in materials under operating conditions is essential for improving the efficiency, performance, and lifespan of rechargeable battery systems. Traditional characterization techniques struggle to capture real-time processes within the battery “black box.” The emergence of nanoelectrochemistry provides diverse <em>in-situ</em> and high-throughput toolkits for probing material dynamics at the electrode–electrolyte nanointerface. This review highlights two representative techniques, collision electrochemistry and scanning electrochemical cell microscopy, and demonstrates their ability to monitor transient mass transport and charge transfer kinetics in battery materials and interfaces at nanodomains with sub-millisecond resolution. Additionally, it explores the potential of high-resolution optical imaging to achieve nanoscale visualization of structural spatiodynamics at the single particle–electrolyte interface during charge/discharge over multiple time scales, ranging from milliseconds to hours. Finally, future advancements are envisioned to enable accelerated mechanistic insights, rational material design, and automated discovery of next-generation battery materials.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"51 ","pages":"Article 101693"},"PeriodicalIF":7.9,"publicationDate":"2025-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143898642","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recent advances in all-iron flow batteries (AIFBs) 全铁液流电池的研究进展
IF 7.9 2区 化学
Current Opinion in Electrochemistry Pub Date : 2025-05-01 DOI: 10.1016/j.coelec.2025.101702
Tiantian Lei , Yifeng Xu , Yao Li , Liyun Huang , Li Ma , Daiqiang Si , Kairui Wang , Fengmei Wang , Jiquan Liu , Lin Lei , Liping Cao , Ying Yang
{"title":"Recent advances in all-iron flow batteries (AIFBs)","authors":"Tiantian Lei ,&nbsp;Yifeng Xu ,&nbsp;Yao Li ,&nbsp;Liyun Huang ,&nbsp;Li Ma ,&nbsp;Daiqiang Si ,&nbsp;Kairui Wang ,&nbsp;Fengmei Wang ,&nbsp;Jiquan Liu ,&nbsp;Lin Lei ,&nbsp;Liping Cao ,&nbsp;Ying Yang","doi":"10.1016/j.coelec.2025.101702","DOIUrl":"10.1016/j.coelec.2025.101702","url":null,"abstract":"<div><div>The cost of active material for all-vanadium flow batteries is high, so that all-iron flow batteries (AIFBs) may be a good choice for decreasing the cost of redox flow batteries. However, there are some problems such as iron dendrite and hydrogen evolution in acidic AIFBs, and hydrolysis and precipitation of iron hydroxide in alkaline AIFBs. This review reveals the underlying causes of these problems, and summarizes recent researchers’ solutions to these problems. In addition, this review discusses the effect of different ligands on the electrode potential of negolytes and raises prospects for the future trends of research on the AIFBs.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"52 ","pages":"Article 101702"},"PeriodicalIF":7.9,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144083871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The role of water and cations in shaping electrified interfaces: Insights from Raman and FTIR spectroscopy 水和阳离子在形成带电界面中的作用：来自拉曼和FTIR光谱的见解
IF 7.9 2区 化学
Current Opinion in Electrochemistry Pub Date : 2025-04-28 DOI: 10.1016/j.coelec.2025.101701
Jéssica Alves Nogueira, Lucas Dias Germano, Leonardo Domenico De Angelis, Susana Inés Córdoba de Torresi
{"title":"The role of water and cations in shaping electrified interfaces: Insights from Raman and FTIR spectroscopy","authors":"Jéssica Alves Nogueira,&nbsp;Lucas Dias Germano,&nbsp;Leonardo Domenico De Angelis,&nbsp;Susana Inés Córdoba de Torresi","doi":"10.1016/j.coelec.2025.101701","DOIUrl":"10.1016/j.coelec.2025.101701","url":null,"abstract":"<div><div>A detailed understanding of the structural dynamics of water at the electrode/electrolyte interface is essential for deciphering and improving electrocatalyst performance. This review highlights innovative uses of Raman and Fourier Transform Infrared spectroscopy to probe interfacial water under electrochemical conditions. Moving beyond conventional approaches, we discuss strategies that evaluate the influence of electrolyte composition and external stimuli—such as light irradiation—on the dynamics of interfacial species. These <em>in situ</em> techniques uncover changes in water orientation and coordination during critical reactions like CO<sub>2</sub> reduction and oxygen evolution. In alkaline environments, cations significantly influence interfacial dynamics: their hydration shells disrupt hydrogen bonding networks, modulating water adsorption, local electric fields, proton transport, and the stabilization of reaction intermediates. The creative application of advanced spectroscopic techniques to evaluate the effects of electrolytes, applied potentials, and/or irradiation on water structure provides novel insights that are reshaping our understanding of the electrified interface.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"52 ","pages":"Article 101701"},"PeriodicalIF":7.9,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144089846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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