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Current Opinion in Electrochemistry最新文献

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Electrocatalysis of organics for electrolysis and/or fuel cells: Some thoughts on using the ratio of forward to backward peak current as a measure of electrocatalyst efficiency and/or poisoning 用于电解和/或燃料电池的有机物的电催化：使用正向和反向峰值电流的比率作为电催化剂效率和/或中毒的量度的一些想法
IF 7.9 2区 化学
Current Opinion in Electrochemistry Pub Date : 2025-02-01 DOI: 10.1016/j.coelec.2024.101625
Yaovi Holade , Teko W. Napporn , Kouakou Boniface Kokoh
{"title":"Electrocatalysis of organics for electrolysis and/or fuel cells: Some thoughts on using the ratio of forward to backward peak current as a measure of electrocatalyst efficiency and/or poisoning","authors":"Yaovi Holade ,&nbsp;Teko W. Napporn ,&nbsp;Kouakou Boniface Kokoh","doi":"10.1016/j.coelec.2024.101625","DOIUrl":"10.1016/j.coelec.2024.101625","url":null,"abstract":"<div><div>In the current context of sustainability, the selective electrocatalytic transformation of biomass-derived organic substances into value-added products should offer vast design possibilities for power generation or the electrosynthesis of fuels and commodity chemicals. In this contribution, we have examined a number of concepts concerning the electrocatalysis of organic molecules for which noble metals cannot be excluded from the electrocatalyst composition without compromising the significant energy savings promised in electrolyzers (up to 50 % for H<sub>2</sub> co-production compared with conventional water electrolysis). The widespread practice of using the ratio of forward peak current to backward peak current as a measure of activity, anti-poison capacity or removal of adsorbed poisons or intermediates is unsuitable based on voltammetry and spectroelectrochemical analysis.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"49 ","pages":"Article 101625"},"PeriodicalIF":7.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143102999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tackling electrocatalytic oxidation of glycerol to dihydroxyacetone: A comprehensive review 甘油电催化氧化制二羟基丙酮：综述
IF 7.9 2区 化学
Current Opinion in Electrochemistry Pub Date : 2025-02-01 DOI: 10.1016/j.coelec.2025.101665
Fiammetta Vitulano , Fulvio Uggeri , Luciano Lattuada , Alessandro Minguzzi , Alberto Vertova
{"title":"Tackling electrocatalytic oxidation of glycerol to dihydroxyacetone: A comprehensive review","authors":"Fiammetta Vitulano ,&nbsp;Fulvio Uggeri ,&nbsp;Luciano Lattuada ,&nbsp;Alessandro Minguzzi ,&nbsp;Alberto Vertova","doi":"10.1016/j.coelec.2025.101665","DOIUrl":"10.1016/j.coelec.2025.101665","url":null,"abstract":"<div><div>Biodiesel, developed as an alternative to natural fossils, is produced by a transesterification reaction. The main co-product of this reaction is represented by glycerol, whose production in 2020 exceeded 6 times the current demand. A consequence of the spreading of biodiesel market was a drop of glycerol price. This versatile biomass-derived compound can be used as an important raw material for the manufacture of valuable chemicals including dihydroxyacetone (DHA), which is the most high-valued glycerol-derived product. Despite all the research devoted to achieve selective oxidation of the secondary alcohol group, this issue remains a scientific challenge. Among several routes for glycerol valorization, electrochemistry is an attractive process as discussed in this review. After a short introduction, which describes non-electrochemical methods, electrochemical oxidations on precious (based on Pt, Pd, Au and Ag) and non-precious metal electrocatalysts is discussed, with a specific focus on selectivity towards DHA.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"51 ","pages":"Article 101665"},"PeriodicalIF":7.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143453376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrocatalytic upgrading of furan derivatives 呋喃衍生物的电催化升级
IF 7.9 2区 化学
Current Opinion in Electrochemistry Pub Date : 2025-02-01 DOI: 10.1016/j.coelec.2024.101628
Anousha Sohail, Chularat Wattanakit
{"title":"Electrocatalytic upgrading of furan derivatives","authors":"Anousha Sohail,&nbsp;Chularat Wattanakit","doi":"10.1016/j.coelec.2024.101628","DOIUrl":"10.1016/j.coelec.2024.101628","url":null,"abstract":"<div><div>Rising concerns over fossil fuel reliance have driven the development of biomass-derived chemical production. Transforming hydroxymethylfurfural (HMF) and furfural, key platform compounds, into sustainable chemicals enhances the biomass value chain. Electrosynthesis emerges as a green and efficient approach to upgrading furan derivatives into biofuels, biopolymers, and industrial chemicals. This minireview discusses advancements in electrocatalytic upgrading of furan derivatives, particularly featuring biorefinery with hydrogen production for cost-efficient and sustainable processes. Importantly, this minireview also highlights the current advancement in electrocatalyst design and addresses the challenges of improving electrocatalytic efficiency in terms of enhanced product selectivity, Faradaic efficiency (FE), and overall process sustainability.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"49 ","pages":"Article 101628"},"PeriodicalIF":7.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143164165","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
Organic and molecular electrochemistry (2024)–Fresh impetus for organic synthesis 有机和分子电化学(2024)-有机合成的新动力
IF 7.9 2区 化学
Current Opinion in Electrochemistry Pub Date : 2025-02-01 DOI: 10.1016/j.coelec.2024.101630
R. Daniel Little, Kevin D. Moeller, R. Francke
{"title":"Organic and molecular electrochemistry (2024)–Fresh impetus for organic synthesis","authors":"R. Daniel Little,&nbsp;Kevin D. Moeller,&nbsp;R. Francke","doi":"10.1016/j.coelec.2024.101630","DOIUrl":"10.1016/j.coelec.2024.101630","url":null,"abstract":"","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"49 ","pages":"Article 101630"},"PeriodicalIF":7.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143098631","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 characterization of electrocatalytic nanoparticles at single-particle level 电催化纳米颗粒单粒子表征的最新进展
IF 7.9 2区 化学
Current Opinion in Electrochemistry Pub Date : 2025-02-01 DOI: 10.1016/j.coelec.2024.101623
Yuqi Ma , Danlei Li
{"title":"Recent advances in characterization of electrocatalytic nanoparticles at single-particle level","authors":"Yuqi Ma ,&nbsp;Danlei Li","doi":"10.1016/j.coelec.2024.101623","DOIUrl":"10.1016/j.coelec.2024.101623","url":null,"abstract":"<div><div>This mini review explores the effect of nanoparticle (NP) size and morphology on electrocatalytic activity, with a focus on the advancements in single-entity electrochemistry (SEE) techniques such as scanning electrochemical microscopy, scanning electrochemical cell microscopy, and single nanoparticle collision methods. These techniques provide critical insights into NP behavior, enabling the precise characterization of catalytic activity at a single-NP scale. Moreover, recent developments in coupling SEE with other techniques are also briefly discussed with a focus on enhanced mass transport and electrical contact in single-NP electrocatalysis.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"49 ","pages":"Article 101623"},"PeriodicalIF":7.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143098633","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
Modulating the interfacial electrochemical behavior of single layer graphene 调节单层石墨烯的界面电化学行为
IF 7.9 2区 化学
Current Opinion in Electrochemistry Pub Date : 2025-02-01 DOI: 10.1016/j.coelec.2024.101608
Wenjing Nan , Jiayang Lin , Linqi Xu , Lianhuan Han , Dongping Zhan
{"title":"Modulating the interfacial electrochemical behavior of single layer graphene","authors":"Wenjing Nan ,&nbsp;Jiayang Lin ,&nbsp;Linqi Xu ,&nbsp;Lianhuan Han ,&nbsp;Dongping Zhan","doi":"10.1016/j.coelec.2024.101608","DOIUrl":"10.1016/j.coelec.2024.101608","url":null,"abstract":"<div><div>Single-layer graphene (SLG) is renowned for its unique electronic structure and zero band gap, which presents both opportunities and challenges in electrochemical systems, particularly due to its inherently inert heterogeneous electron transfer (HET) properties. Precisely tuning the physicochemical properties of SLG is crucial for optimizing its performance in electrochemical devices. For atomically thin SLG, subtle modifications to its electronic structure can enhance its heterogeneous charge transfer and surface reactivity effectively. Here we present a concise review on recent advances in modulating the interfacial electrochemical behavior of SLG and few-layer graphene, with a focus on defect engineering, layer number regulation, and interfacial engineering. We emphasize the impact of these strategies on modulating graphene's electronic structure, particularly concerning HET and electrochemical performance, and offer perspectives on future developments in this field.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"49 ","pages":"Article 101608"},"PeriodicalIF":7.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143102829","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
Interface between anode porous transport layer and catalyst layer: A key to efficient, stable and competitive proton exchange membrane water electrolysis 阳极多孔输运层与催化剂层之间的界面：实现高效、稳定、竞争的质子交换膜电解的关键
IF 7.9 2区 化学
Current Opinion in Electrochemistry Pub Date : 2025-02-01 DOI: 10.1016/j.coelec.2024.101624
Tereza Bautkinova, Martin Prokop, Tomas Bystron, Karel Bouzek
{"title":"Interface between anode porous transport layer and catalyst layer: A key to efficient, stable and competitive proton exchange membrane water electrolysis","authors":"Tereza Bautkinova,&nbsp;Martin Prokop,&nbsp;Tomas Bystron,&nbsp;Karel Bouzek","doi":"10.1016/j.coelec.2024.101624","DOIUrl":"10.1016/j.coelec.2024.101624","url":null,"abstract":"<div><div>This review examines advancements in the design of the anode porous transport layer (PTL) and catalyst layer (CL) interface in proton exchange membrane water electrolysis (PEMWE). The quality of PTL-CL interface (contact area and contact resistance per area) is critical to electrolyser performance, influencing the voltage losses (polarisation and ohmic) and stability. To mitigate issues associated with Ti PTL passivation and enhance charge transport, various noble metal coatings, have been explored. Ir coatings seems to be the optimal solution due to their stability and catalytic activity. The review highlights surface modification techniques such as physical vapour deposition, electroplating, and laser ablation, as well as the development of porous transport electrodes and microporous layers. These approaches aim to optimise the performance of the electrolyser while minimising the noble metal usage. The findings underscore the importance of material choice and nano/microscale morphology of the interface in achieving cost-effective and durable PEMWE systems.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"49 ","pages":"Article 101624"},"PeriodicalIF":7.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143103002","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrochemical correlative microscopy: Discovering insights into structure–reactivity relationships for electrochemical energy conversion and storage 电化学相关显微镜：发现电化学能量转换和储存的结构-反应性关系
IF 7.9 2区 化学
Current Opinion in Electrochemistry Pub Date : 2025-02-01 DOI: 10.1016/j.coelec.2025.101666
Samuel F. Wenzel , Roberto García-Carrillo , Hang Ren
{"title":"Electrochemical correlative microscopy: Discovering insights into structure–reactivity relationships for electrochemical energy conversion and storage","authors":"Samuel F. Wenzel ,&nbsp;Roberto García-Carrillo ,&nbsp;Hang Ren","doi":"10.1016/j.coelec.2025.101666","DOIUrl":"10.1016/j.coelec.2025.101666","url":null,"abstract":"<div><div>Electrochemical correlative microscopy involves the pairing of electrochemical measurements with one or multiple orthogonal microscopic techniques. By integrating electrochemical measurements, especially scanning electrochemical probe microscopies (SEPMs), with correlative optical microscopy, spectroscopy, or electron microscopies, rich information complimentary to the electrochemical measurement can be obtained. This information can reveal detailed structure–property–activity relationships at electrochemical interfaces. Additionally, they can showcase visualizations of electrochemical phase transitions or mechanisms and assist in high-throughput synthesis and screening of materials for various electrochemical applications. In this perspective, we will use a few examples highlighting advances in electrochemical correlative microscopy over the past two years, focusing on the theme involving electrochemical energy storage and conversion. We anticipate new fundamental understanding of electrochemical interfaces will be elucidated through multitechnique platforms, and the outlook of future development of electrochemical correlative microscopy will be discussed.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"50 ","pages":"Article 101666"},"PeriodicalIF":7.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143445428","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
Influence of defects and impurities in low-dimensional carbon materials on heterogeneous electron transfer: Theory and experiments 低维碳材料中缺陷和杂质对非均相电子转移的影响：理论与实验
IF 7.9 2区 化学
Current Opinion in Electrochemistry Pub Date : 2025-02-01 DOI: 10.1016/j.coelec.2024.101626
Sergey V. Pavlov
{"title":"Influence of defects and impurities in low-dimensional carbon materials on heterogeneous electron transfer: Theory and experiments","authors":"Sergey V. Pavlov","doi":"10.1016/j.coelec.2024.101626","DOIUrl":"10.1016/j.coelec.2024.101626","url":null,"abstract":"<div><div>Low-dimensional carbon-based materials hold significant potential for electrocatalytic applications. However, the role of defects and various additives in enhancing their electrochemical properties remains a subject of ongoing debate due to contradictory experimental data. Moreover, the complex interplay of various factors complicates the interpretation of defects-related effects. This mini-review presents recent studies on the role of defects in heterogeneous electron transfer, covering both experimental findings and theoretical modeling. It emphasizes the need for further development in electron transfer theory and experimental techniques to better elucidate the mechanisms behind the electrocatalytic behavior of defects.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"49 ","pages":"Article 101626"},"PeriodicalIF":7.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143102842","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
Heterogeneous electron transfer on single- and few-layer supported 2D materials 单层和少层支撑二维材料上的非均质电子转移
IF 7.9 2区 化学
Current Opinion in Electrochemistry Pub Date : 2025-02-01 DOI: 10.1016/j.coelec.2024.101632
A.I. Inozemtseva , V.S. Savin , D.M. Itkis , L.V. Yashina
{"title":"Heterogeneous electron transfer on single- and few-layer supported 2D materials","authors":"A.I. Inozemtseva ,&nbsp;V.S. Savin ,&nbsp;D.M. Itkis ,&nbsp;L.V. Yashina","doi":"10.1016/j.coelec.2024.101632","DOIUrl":"10.1016/j.coelec.2024.101632","url":null,"abstract":"<div><div>Two-dimensional (2D) electrode materials are interesting objects for both practical and fundamental electrochemistry due to very low thickness and tunable structure-dependent electrochemical properties which are quite different from metallic electrodes. While the impact of various defects on the electrochemical kinetics of 2D materials is often considered, layering and substrate nature also may influence the reaction rates due to the low thickness of 2D materials. In the present review, we discuss the current understanding of the electrochemical kinetics of 2D electrode materials in terms of the layer number, stacking, and substrate nature. The review covers both experimental and theoretical work on outer-sphere and electrocatalytic reactions such as oxygen reduction and hydrogen evolution reaction.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"49 ","pages":"Article 101632"},"PeriodicalIF":7.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143102843","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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