Pub Date : 2024-11-07DOI: 10.1016/j.coelec.2024.101604
Lyuming Pan , Manrong Song , Nimra Muzaffar , Liuping Chen , Chao Ji , Shengxin Yao , Junhui Xu , Weixiong Wu , Yubai Li , Jie Chen , Jiayou Ren , Bin Liu , Lei Wei
Large-scale, long-duration energy storage systems are crucial to achieving the goal of carbon neutrality. Among the various existing energy storage technologies, redox flow batteries have the potential to store a significant amount of energy. In the redox flow battery system, the above-ground electrolyte storage tanks are usually bulky and expensive. Underground salt caverns, which have a space of hundred-thousand cubic meters, are being explored as potential alternatives to conventional electrolyte tanks for storing electrolytes. The salt caverns possess high safety, large storage capacity, constant temperature, and low cost, making salt cavern redox flow batteries promising next-generation energy storage systems in the era of carbon neutrality. This study reviews the fundamental concepts and research progress of salt cavern redox flow batteries and explores recently proposed organic active substances under near-neutral pH conditions. Prospects of salt cavern redox flow batteries are summarized and analyzed.
{"title":"Salt cavern redox flow battery: The next-generation long-duration, large-scale energy storage system","authors":"Lyuming Pan , Manrong Song , Nimra Muzaffar , Liuping Chen , Chao Ji , Shengxin Yao , Junhui Xu , Weixiong Wu , Yubai Li , Jie Chen , Jiayou Ren , Bin Liu , Lei Wei","doi":"10.1016/j.coelec.2024.101604","DOIUrl":"10.1016/j.coelec.2024.101604","url":null,"abstract":"<div><div>Large-scale, long-duration energy storage systems are crucial to achieving the goal of carbon neutrality. Among the various existing energy storage technologies, redox flow batteries have the potential to store a significant amount of energy. In the redox flow battery system, the above-ground electrolyte storage tanks are usually bulky and expensive. Underground salt caverns, which have a space of hundred-thousand cubic meters, are being explored as potential alternatives to conventional electrolyte tanks for storing electrolytes. The salt caverns possess high safety, large storage capacity, constant temperature, and low cost, making salt cavern redox flow batteries promising next-generation energy storage systems in the era of carbon neutrality. This study reviews the fundamental concepts and research progress of salt cavern redox flow batteries and explores recently proposed organic active substances under near-neutral pH conditions. Prospects of salt cavern redox flow batteries are summarized and analyzed.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"49 ","pages":"Article 101604"},"PeriodicalIF":7.9,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142701744","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}
Pub Date : 2024-11-06DOI: 10.1016/j.coelec.2024.101602
K. Sravan Kumar , S. Mateo , A.R. de la Osa , P. Sánchez , A. de Lucas-Consuegra
Ionic conductive membranes have provided significant advantages in low-temperature water electrolysis configurations, but their poor stability and high cost have prompted researchers to develop various types of membrane-less electrolysis configurations of reduced design complexity and lower costs. This paper reviews recent studies in the field, comparing the results obtained with different approaches and critically advising about the main advantages and challenges to be overcome. Notable among these is the electrolyte flow-by strategy, which uses closely spaced planar electrodes and laminar flow to keep hydrogen and oxygen bubbles separated without a membrane. Various other approaches have also been investigated such as: flow-through electrodes, bubbles free gas diffusion electrodes, organic-assisted electrolysis process and microbial electrolysis cells. The different approaches discussed on the manuscript generates significant interest within the scientific community, offering an opportunity to simplify innovative electrolysis configurations addressing new scientific challenges associated with traditional electrolysis methods.
{"title":"Advancements in membrane-less electrolysis configurations: Innovations and challenges","authors":"K. Sravan Kumar , S. Mateo , A.R. de la Osa , P. Sánchez , A. de Lucas-Consuegra","doi":"10.1016/j.coelec.2024.101602","DOIUrl":"10.1016/j.coelec.2024.101602","url":null,"abstract":"<div><div>Ionic conductive membranes have provided significant advantages in low-temperature water electrolysis configurations, but their poor stability and high cost have prompted researchers to develop various types of membrane-less electrolysis configurations of reduced design complexity and lower costs. This paper reviews recent studies in the field, comparing the results obtained with different approaches and critically advising about the main advantages and challenges to be overcome. Notable among these is the electrolyte flow-by strategy, which uses closely spaced planar electrodes and laminar flow to keep hydrogen and oxygen bubbles separated without a membrane. Various other approaches have also been investigated such as: flow-through electrodes, bubbles free gas diffusion electrodes, organic-assisted electrolysis process and microbial electrolysis cells. The different approaches discussed on the manuscript generates significant interest within the scientific community, offering an opportunity to simplify innovative electrolysis configurations addressing new scientific challenges associated with traditional electrolysis methods.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"49 ","pages":"Article 101602"},"PeriodicalIF":7.9,"publicationDate":"2024-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142701788","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}
Pub Date : 2024-11-02DOI: 10.1016/j.coelec.2024.101599
Xu Xiao , Zhuojun Zhang , Aijing Yan , Yasen Hao , Kai Sun , Peng Tan
Developing rechargeable lithium-carbon dioxide batteries is regarded as a promising direction for next-generation energy storage systems. Stabilizing lithium oxalate as the final product for lithium-carbon dioxide batteries significantly decreases the overpotential and improves energy efficiency, accelerating the reaction kinetics. This work provides a timely report of the latest progress and the remaining challenges of lithium oxalate-based lithium-carbon dioxide batteries. The reaction products and mechanism based on two-electron oxalate products are introduced. The advances in electrocatalyst design are summarized. Moreover, electrolyte modulation, including the use of lithium salts and redox mediators, for improving energy efficiency is discussed. Future research should focus on solid/soluble catalyst stability and operating management. This work aims to support the continuous and robust advancement of rechargeable lithium-carbon dioxide batteries.
{"title":"Lithium oxalate-based lithium-carbon dioxide batteries with high energy efficiency","authors":"Xu Xiao , Zhuojun Zhang , Aijing Yan , Yasen Hao , Kai Sun , Peng Tan","doi":"10.1016/j.coelec.2024.101599","DOIUrl":"10.1016/j.coelec.2024.101599","url":null,"abstract":"<div><div>Developing rechargeable lithium-carbon dioxide batteries is regarded as a promising direction for next-generation energy storage systems. Stabilizing lithium oxalate as the final product for lithium-carbon dioxide batteries significantly decreases the overpotential and improves energy efficiency, accelerating the reaction kinetics. This work provides a timely report of the latest progress and the remaining challenges of lithium oxalate-based lithium-carbon dioxide batteries. The reaction products and mechanism based on two-electron oxalate products are introduced. The advances in electrocatalyst design are summarized. Moreover, electrolyte modulation, including the use of lithium salts and redox mediators, for improving energy efficiency is discussed. Future research should focus on solid/soluble catalyst stability and operating management. This work aims to support the continuous and robust advancement of rechargeable lithium-carbon dioxide batteries.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"49 ","pages":"Article 101599"},"PeriodicalIF":7.9,"publicationDate":"2024-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142701787","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}
Pub Date : 2024-10-31DOI: 10.1016/j.coelec.2024.101601
Congfan Zhao , Shu Yuan , Xiaojing Cheng , Fengdi Tu , Jingwei Zhou , Shuiyun Shen , Jiewei Yin , Xiaohui Yan , Junliang Zhang
Limited by the poor understanding of reaction and transport related issues in the porous transport layers and catalyst layers from the conventional electrode-based characterizations, the electrode engineering method targeting to improve the proton exchange membrane water electrolysis performance is lacking in efficiency. Model electrodes, which refer to electrochemical devices for mimicking the reaction and transport processes in practical electrolyzers, have emerged recently to provide both temporal and spatial high-precision measurement for these issues. In this review, recently proposed different model electrode configurations to investigate the transport and reaction related issues in porous transport layers and catalyst layers are summarized, followed by a perspective of future efficient electrode engineering methods based on findings with the assistance of model electrodes.
{"title":"Applications of model electrode for investigations of reaction and transport issues in proton exchange membrane water electrolyzer","authors":"Congfan Zhao , Shu Yuan , Xiaojing Cheng , Fengdi Tu , Jingwei Zhou , Shuiyun Shen , Jiewei Yin , Xiaohui Yan , Junliang Zhang","doi":"10.1016/j.coelec.2024.101601","DOIUrl":"10.1016/j.coelec.2024.101601","url":null,"abstract":"<div><div>Limited by the poor understanding of reaction and transport related issues in the porous transport layers and catalyst layers from the conventional electrode-based characterizations, the electrode engineering method targeting to improve the proton exchange membrane water electrolysis performance is lacking in efficiency. Model electrodes, which refer to electrochemical devices for mimicking the reaction and transport processes in practical electrolyzers, have emerged recently to provide both temporal and spatial high-precision measurement for these issues. In this review, recently proposed different model electrode configurations to investigate the transport and reaction related issues in porous transport layers and catalyst layers are summarized, followed by a perspective of future efficient electrode engineering methods based on findings with the assistance of model electrodes.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"49 ","pages":"Article 101601"},"PeriodicalIF":7.9,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142701786","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}
Pub Date : 2024-10-23DOI: 10.1016/j.coelec.2024.101598
Na Liu, Wen Ju, Robert Francke
The electrochemical CO2 reduction reaction (eCO2RR) to multi-carbon products holds the potential to generate valuable building blocks for production of chemicals using renewable electricity, thereby diminishing the dependence on fossil feedstocks. The crucial mechanistic step in this process involves the electrochemical C–C coupling, primarily taking place on metallic Cu surfaces. However, these metallic surfaces pose mechanistic unclarities due to their structural complexity, leading to intricate mechanistic paths and difficulties in identifying the genuine catalytically active sites. In contrast, molecular catalysts with well-defined structures may offer distinctive active sites for the reaction, although their utilization remains relatively unexplored. Recent advancements in Cu-based organometallic structures have demonstrated significant potential for eCO2RR, particularly in C–C coupling toward C2 products such as C2H4 and C2H5OH. These developments are summarized and discussed herein, both in terms of catalyst development and mechanistic understanding.
{"title":"Molecular copper catalysts for electro-reductive homocoupling of CO2 towards C2 compounds","authors":"Na Liu, Wen Ju, Robert Francke","doi":"10.1016/j.coelec.2024.101598","DOIUrl":"10.1016/j.coelec.2024.101598","url":null,"abstract":"<div><div>The electrochemical CO<sub>2</sub> reduction reaction (eCO<sub>2</sub>RR) to multi-carbon products holds the potential to generate valuable building blocks for production of chemicals using renewable electricity, thereby diminishing the dependence on fossil feedstocks. The crucial mechanistic step in this process involves the electrochemical C–C coupling, primarily taking place on metallic Cu surfaces. However, these metallic surfaces pose mechanistic unclarities due to their structural complexity, leading to intricate mechanistic paths and difficulties in identifying the genuine catalytically active sites. In contrast, molecular catalysts with well-defined structures may offer distinctive active sites for the reaction, although their utilization remains relatively unexplored. Recent advancements in Cu-based organometallic structures have demonstrated significant potential for eCO<sub>2</sub>RR, particularly in C–C coupling toward C<sub>2</sub> products such as C<sub>2</sub>H<sub>4</sub> and C<sub>2</sub>H<sub>5</sub>OH. These developments are summarized and discussed herein, both in terms of catalyst development and mechanistic understanding.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"49 ","pages":"Article 101598"},"PeriodicalIF":7.9,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142701785","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}
Information of reaction orders is prerequisite in unveiling the mechanism(s) of complex electrocatalytic reactions, which is of great help in benchmarking the intrinsic electrocatalytic performance and in establishing the structure–activity relationship. However, electrochemical reaction orders for only few electrocatalytic reactions have hitherto been unambiguously quantified, due to the complexities of the reaction themselves and the complexities of interfacial environments. The apparent reaction orders may depend on the coverage of the adsorbed reactant, reactive intermediates at the electrode interface, their adsorption behavior, the occurrence of parallel pathways as well as existence pre or postchemical reactions. In this short review, theories and methods used for determination of the reaction orders for electrode reactions are summarized and exemplified by taking hydrogen evolution/oxidation reaction (HER/HOR) and oxygen reduction reaction (ORR) under rotating disk electrode configuration as model reactions. Frequently encountered challenges in accurate determination the reaction orders for complex electrocatalytic reactions are discussed.
{"title":"Determination of the reaction orders for electrode reactions","authors":"Er-Fei Zhen, Bing-Yu Liu, Dong-Chen Zhao, Jing-Zhe Zhu, Yan-Xia Chen","doi":"10.1016/j.coelec.2024.101597","DOIUrl":"10.1016/j.coelec.2024.101597","url":null,"abstract":"<div><div>Information of reaction orders is prerequisite in unveiling the mechanism(s) of complex electrocatalytic reactions, which is of great help in benchmarking the intrinsic electrocatalytic performance and in establishing the structure–activity relationship. However, electrochemical reaction orders for only few electrocatalytic reactions have hitherto been unambiguously quantified, due to the complexities of the reaction themselves and the complexities of interfacial environments. The apparent reaction orders may depend on the coverage of the adsorbed reactant, reactive intermediates at the electrode interface, their adsorption behavior, the occurrence of parallel pathways as well as existence pre or postchemical reactions. In this short review, theories and methods used for determination of the reaction orders for electrode reactions are summarized and exemplified by taking hydrogen evolution/oxidation reaction (HER/HOR) and oxygen reduction reaction (ORR) under rotating disk electrode configuration as model reactions. Frequently encountered challenges in accurate determination the reaction orders for complex electrocatalytic reactions are discussed.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"48 ","pages":"Article 101597"},"PeriodicalIF":7.9,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142528394","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}
Pub Date : 2024-10-03DOI: 10.1016/j.coelec.2024.101596
Fengjia Xie , Xuming Zhang , Zhefei Pan
As the global shift towards renewable energy accelerates, energy storage solutions capable of providing long-duration, large-scale storage will be critical. Flow batteries and regenerative fuel cells have the potential to play a pivotal role in this transformation by enabling greater integration of variable renewable generation and providing resilient, grid-scale energy storage. This review provides an overview of the working principles of flow batteries and regenerative fuel cells mediated by ammonia, including the hardware, electrochemical reactions, and general performance. The recent advances in flow batteries are highlighted, covering the electrode design and modifications as well as electrolyte design and innovations. The recent advances in regenerative fuel cells are also discussed, focusing on membrane electrode assembly construction and system optimization.
{"title":"Electrochemical systems for renewable energy conversion and storage: Focus on flow batteries and regenerative fuel cells","authors":"Fengjia Xie , Xuming Zhang , Zhefei Pan","doi":"10.1016/j.coelec.2024.101596","DOIUrl":"10.1016/j.coelec.2024.101596","url":null,"abstract":"<div><div>As the global shift towards renewable energy accelerates, energy storage solutions capable of providing long-duration, large-scale storage will be critical. Flow batteries and regenerative fuel cells have the potential to play a pivotal role in this transformation by enabling greater integration of variable renewable generation and providing resilient, grid-scale energy storage. This review provides an overview of the working principles of flow batteries and regenerative fuel cells mediated by ammonia, including the hardware, electrochemical reactions, and general performance. The recent advances in flow batteries are highlighted, covering the electrode design and modifications as well as electrolyte design and innovations. The recent advances in regenerative fuel cells are also discussed, focusing on membrane electrode assembly construction and system optimization.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"48 ","pages":"Article 101596"},"PeriodicalIF":7.9,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142528392","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}
Pub Date : 2024-10-02DOI: 10.1016/j.coelec.2024.101595
Li Yu , Bin Tian , Wentao Huang , Xiaochun Zhou , Weihong Li
Proton exchange membrane (PEM) and anion exchange membrane (AEM) water electrolyzers exhibit superior efficiency and produce higher purity hydrogen compared to traditional alkaline water electrolyzers due to their membrane electrode assembly (MEA) design. However, random structures presented in current MEA designs introduce significant transport resistance for electrons and mass (ion, gas and liquid), consequently degrading the overall performance of electrolyzes. In contrast, ordered MEA structures are characterized by well-defined arrangements of pores, channels or pathways within catalyst layers (CLs), porous transport layers (PTLs), and ion exchange membranes (IEMs). These ordered configurations facilitate efficient highways for the transfer of electrons and mass. Recent diverse ordered MEA designs have demonstrated significant improvements in overall electrochemical efficiency in both PEM and AEM water electrolyzers. In this review, we will examine recent advancements in ordered MEA designs for water electrolyzers focusing on innovations in fabrication methods and interface morphologies, as well as their electrolysis performance. This review may provide comprehensive guidelines for designing ordered MEAs for both PEM and AEM electrolyzers.
与传统的碱性水电解槽相比，质子交换膜（PEM）和阴离子交换膜（AEM）水电解槽因其膜电极组件（MEA）设计而表现出更高的效率，并能产生纯度更高的氢气。然而，目前 MEA 设计中的随机结构为电子和质量（离子、气体和液体）带来了巨大的传输阻力，从而降低了电解槽的整体性能。与此相反，有序 MEA 结构的特点是催化剂层 (CL)、多孔传输层 (PTL) 和离子交换膜 (IEM) 中的孔隙、通道或通路排列整齐。这些有序配置为电子和质量的高效传输提供了便利。最近的各种有序 MEA 设计表明，PEM 和 AEM 水电解槽的整体电化学效率有了显著提高。在本综述中，我们将探讨水电解槽有序 MEA 设计的最新进展，重点关注制造方法和界面形态的创新及其电解性能。本综述可为 PEM 和 AEM 电解槽有序 MEA 的设计提供全面指导。
{"title":"Advancements in ordered membrane electrode assembly (MEA) for water electrolysis","authors":"Li Yu , Bin Tian , Wentao Huang , Xiaochun Zhou , Weihong Li","doi":"10.1016/j.coelec.2024.101595","DOIUrl":"10.1016/j.coelec.2024.101595","url":null,"abstract":"<div><div>Proton exchange membrane (PEM) and anion exchange membrane (AEM) water electrolyzers exhibit superior efficiency and produce higher purity hydrogen compared to traditional alkaline water electrolyzers due to their membrane electrode assembly (MEA) design. However, random structures presented in current MEA designs introduce significant transport resistance for electrons and mass (ion, gas and liquid), consequently degrading the overall performance of electrolyzes. In contrast, ordered MEA structures are characterized by well-defined arrangements of pores, channels or pathways within catalyst layers (CLs), porous transport layers (PTLs), and ion exchange membranes (IEMs). These ordered configurations facilitate efficient highways for the transfer of electrons and mass. Recent diverse ordered MEA designs have demonstrated significant improvements in overall electrochemical efficiency in both PEM and AEM water electrolyzers. In this review, we will examine recent advancements in ordered MEA designs for water electrolyzers focusing on innovations in fabrication methods and interface morphologies, as well as their electrolysis performance. This review may provide comprehensive guidelines for designing ordered MEAs for both PEM and AEM electrolyzers.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"48 ","pages":"Article 101595"},"PeriodicalIF":7.9,"publicationDate":"2024-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142528393","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}
Pub Date : 2024-09-26DOI: 10.1016/j.coelec.2024.101594
Minghong Duan, Zhihao Yang, Qianqian Hou, Tieqi Huang, Hongtao Liu
Aqueous zinc ion batteries (AZIBs) are ideal candidates for next-generation energy storage technologies because they possess satisfactory safety, environmental friendliness, natural abundance, high theoretical specific capacity, and suitable redox potential. However, AZIBs are suffering serious anode issues, which limit their practical applications. To overcome these problems, architecting artificial protective layer (APL) on zinc metal is one of common modification strategies, which can effectively surpass the side reactions and dendrite generation by the designed functional coverings. In this review, we discuss the different materials applied in the APL and the corresponding specific working mechanism for anode optimization, as well as the challenges and perspectives of the strategies for APLs. The review aims at providing general principles and suggestions on the development of advanced anodes for AZIBs.
{"title":"Artificial protective layers of zinc metal anodes for reversible aqueous zinc ion batteries","authors":"Minghong Duan, Zhihao Yang, Qianqian Hou, Tieqi Huang, Hongtao Liu","doi":"10.1016/j.coelec.2024.101594","DOIUrl":"10.1016/j.coelec.2024.101594","url":null,"abstract":"<div><div>Aqueous zinc ion batteries (AZIBs) are ideal candidates for next-generation energy storage technologies because they possess satisfactory safety, environmental friendliness, natural abundance, high theoretical specific capacity, and suitable redox potential. However, AZIBs are suffering serious anode issues, which limit their practical applications. To overcome these problems, architecting artificial protective layer (APL) on zinc metal is one of common modification strategies, which can effectively surpass the side reactions and dendrite generation by the designed functional coverings. In this review, we discuss the different materials applied in the APL and the corresponding specific working mechanism for anode optimization, as well as the challenges and perspectives of the strategies for APLs. The review aims at providing general principles and suggestions on the development of advanced anodes for AZIBs.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"48 ","pages":"Article 101594"},"PeriodicalIF":7.9,"publicationDate":"2024-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142445294","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}
Pub Date : 2024-09-25DOI: 10.1016/j.coelec.2024.101593
Luis Alberto Estudillo-Wong , Nicolas Alonso-Vante
Transition metal selenides constitute a family of materials used for multi-electron charge transfer reactions (e.g. hydrogen evolution reaction, oxygen reduction reaction) in which activity, selectivity, and tolerance are required. Here we review the engineering of such structures focused on the selenization process of nanoparticulate precious metals supported or not on carbon. The chemical/electrochemical process of selenization proceeding through a so-called soft chemistry route, in which each species (cationic, anionic) interacts under conditions dictated by the solvent medium, is briefly described. The electronic effect of the synthesized materials subjected to the modification effects leading to undefined and/or defined phases (via chemical coordination) of the surface of the metallic atoms is reviewed.
{"title":"The chemical effect of a selenium atom on the catalytic site of precious metals","authors":"Luis Alberto Estudillo-Wong , Nicolas Alonso-Vante","doi":"10.1016/j.coelec.2024.101593","DOIUrl":"10.1016/j.coelec.2024.101593","url":null,"abstract":"<div><div>Transition metal selenides constitute a family of materials used for multi-electron charge transfer reactions (e.g. hydrogen evolution reaction, oxygen reduction reaction) in which activity, selectivity, and tolerance are required. Here we review the engineering of such structures focused on the selenization process of nanoparticulate precious metals supported or not on carbon. The chemical/electrochemical process of selenization proceeding through a so-called soft chemistry route, in which each species (cationic, anionic) interacts under conditions dictated by the solvent medium, is briefly described. The electronic effect of the synthesized materials subjected to the modification effects leading to undefined and/or defined phases (via chemical coordination) of the surface of the metallic atoms is reviewed.</div></div>","PeriodicalId":11028,"journal":{"name":"Current Opinion in Electrochemistry","volume":"48 ","pages":"Article 101593"},"PeriodicalIF":7.9,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142428425","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}
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