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Bimetallic single‑atom catalysts for Water Splitting

Nano-Micro Letters 2025年第1期17卷 1-45页

作者： Megha A.Deshmukh Aristides Bakandritsos Radek Zbořil Nanotechnology Centre Centre for Energy and Environmental TechnologiesVŠB–Technical University of Ostrava17.listopadu 2172/1570800 Ostrava‑PorubaCzech Republic Regional Centre of Advanced Technologies and Materials Czech Advanced Technology and Research Institute(CATRIN)Palacky University OlomoucŠlechtitelů241/2778371 Olomouc–HoliceCzech Republic

Green hydrogen from water splitting has emerged as a critical energy vector with the potential to spearhead the global transition to a fossil fuel-independent *** field of catalysis has been revolutionized by single-atom catalysts(SACs),which exhibit unique and intricate interactions between atomically dispersed metal atoms and their ***,bimetallic SACs(bimSACs)have garnered significant attention for leveraging the synergistic functions of two metal ions coordinated on appropriately designed *** offer an avenue for rich metal–metal and metal–support cooperativity,potentially addressing current limitations of SACs in effectively furnishing transformations which involve synchronous proton–electron exchanges,substrate activation with reversible redox cycles,simultaneous multi-electron transfer,regulation of spin states,tuning of electronic properties,and cyclic transition states with low activation *** review aims to encapsulate the growing advancements in bimSACs,with an emphasis on their pivotal role in hydrogen generation via water *** subsequently delve into advanced experimental methodologies for the elaborate characterization of SACs,elucidate their electronic properties,and discuss their local coordination ***,we present comprehensive discussion on the deployment of bimSACs in both hydrogen evolution reaction and oxygen evolution reaction,the two half-reactions of the water electrolysis process.

关键词： single-atom catalysts single-atom dimers Hydrogen evolution Oxygen evolution Water splitting

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single-atom catalysts for CO oxidation,CO_(2) reduction,and O_(2) electrochemistry

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Journal of Energy Chemistry 2022年第2期31卷 254-279页

作者： Wenyu Yuan Yiyuan Ma Heng Wu Laifei Cheng Department of Physics Tokyo Metropolitan UniversityHachiojiTokyo 192-0397Japan Science and Technology on Thermostructural Composite Materials Laboratory Northwestern Polytechnical UniversityXi’an 710072ShaanxiChina

CO_(x)(x=1,2)and O_(2) chemistry play key roles in tackling global severe environmental challenges and energy *** date,the efficient selective electrocatalytic transformations of COx-carbon chemicals,and O_(2)-hydrogenated products are still huge ***-atom catalysts(SACs)as atomic-scale novel catalysts in which only isolated metal atoms are dispersed on supports shed new insights in overcome these obstacles in CO_(x) and O_(2) chemistry,including CO oxidation,CO_(2) reduction reaction(CO_(2)RR),oxygen reduction reaction(ORR),and oxygen evolution reaction(OER).In this review,the unique features and advanced synthesis strategies of SACs from a viewpoint of fundamental synthesis design are first highlighted to guide future strategy design for controllable SAC ***,the to-date reported CO_(2)RR,CO oxidation,OER,and ORR mechanism are included and *** importantly,the design principles and design strategies of improving the intrinsic activity,selectivity,and stability are extensively discussed and the engineering strategy is classified as neighbor coordination engineering,metal-atom engineering,and substrate *** the comprehensive review and summary of state-of-the-art SACs,the synthesis–structure–property–mechanism–design principle relation can be revealed to shed lights into the structural construction of ***,we present an outlook on current challenges and future directions for SACs in CO_(x) and O_(2) chemistry.

关键词： single-atom catalysts CO_(2)reduction reaction CO oxidation Oxygen reduction reaction Oxygen evolution reaction

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single-atom catalysts for Electrochemical Hydrogen Evolution Reaction: Recent Advances and Future Perspectives

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Nano-Micro Letters 2020年第2期12卷 73-101页

作者： Zonghua Pu Ibrahim Saana Amiinu Ruilin Cheng Pengyan Wang Chengtian Zhang Shichun Mu Weiyue Zhao Fengmei Su Gaixia Zhang Shijun Liao Shuhui Sun Institut National de la Recherche Scientifique-Énergie Matériaux et Télécommunications VarennesQC J3X 1S2Canada State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070People’s Republic of China The Key Laboratory of Fuel Cell Technology of Guangdong Province The Key Laboratory of New Energy Technology of Guangdong UniversitiesSchool of Chemistry and Chemical EngineeringSouth China University of TechnologyGuangzhou 510641People’s Republic of China Key Laboratory of Materials Processing and Mold Ministry of EducationZhengzhou UniversityZhengzhou 450002People’s Republic of China

Hydrogen,a renewable and outstanding energy carrier with zero carbon dioxide emission,is regarded as the best alternative to fossil *** most preferred route to large-scale production of hydrogen is by water electrolysis from the intermittent sources(e.g.,wind,solar,hydro,and tidal energy).However,the efficiency of water electrolysis is very much dependent on the activity of ***,designing high-effective,stable,and cheap materials for hydrogen evolution reaction(HER)could have a substantial impact on renewable energy ***,single-atom catalysts(SACs)have emerged as a new frontier in catalysis science,because SACs have maximum atom-utilization efficiency and excellent catalytic reaction *** synthesis methods and analytical techniques have been adopted to prepare and characterize these *** this review,we discuss recent progress on SACs synthesis,characterization methods,and their catalytic ***,we highlight their unique electrochemical characteristics toward ***,the current key challenges in SACs for HER are pointed out and some potential directions are proposed as well.

关键词： single-atom catalysts Nanomaterials Electrocatalyst Hydrogen evolution reaction Electrochemical energy conversion

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single-atom catalysts for the electrochemical reduction of carbon dioxide into hydrocarbons and oxygenates

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Carbon Energy 2024年第3期6卷 64-117页

作者： Karl Adrian Gandionco Juwon Kim Lieven Bekaert Annick Hubin Jongwoo Lim Department of Chemistry Seoul National UniversitySeoulRepublic of Korea Research Group Electrochemical and Surface Engineering(SURF) Department of Materials and ChemistryVrije Universiteit BrusselBrusselsBelgium

The electrochemical reduction of carbon dioxide offers a sound and economically viable technology for the electrification and decarbonization of the chemical and fuel *** this technology,an electrocatalytic material and renewable energy-generated electricity drive the conversion of carbon dioxide into high-value chemicals and carbon-neutral *** the past few years,single-atom catalysts have been intensively studied as they could provide near-unity atom utilization and unique catalytic ***-atom catalysts have become one of the state-of-the-art catalyst materials for the electrochemical reduction of carbon dioxide into carbon ***,it remains a challenge for single-atom catalysts to facilitate the efficient conversion of carbon dioxide into products beyond carbon *** this review,we summarize and present important findings and critical insights from studies on the electrochemical carbon dioxide reduction reaction into hydrocarbons and oxygenates using single-atom *** is hoped that this review gives a thorough recapitulation and analysis of the science behind the catalysis of carbon dioxide into more reduced products through singleatom catalysts so that it can be a guide for future research and development on catalysts with industry-ready performance for the electrochemical reduction of carbon dioxide into high-value chemicals and carbon-neutral fuels.

关键词： electrocatalysis electrochemical CO_(2)reduction hydrocarbons oxygenates single-atom catalysts

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single-atom catalysts with anionic metal centers: Promising electrocatalysts for the oxygen reduction reaction and beyond

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Journal of Energy Chemistry 2021年第12期30卷 285-293,I0006页

作者： Jinxing Gu Yinghe Zhao Shiru Lin Jingsong Huang Carlos R.Cabrera Bobby G.Sumpter Zhongfang Chen Department of Chemistry University of Puerto Rico.Rio Piedras Campus.San Juan.Puerto Rico 00931USA Center for Nanophase Materials Sciences Oak Ridge National LaboratoryOak RidgeTennessee 37831USA Department of Chemistry and Biochemistry The University of Texas at El PasoEl PasoTexas 79968USA

Ongoing efforts to develop single-atom catalysts(SACs) for the oxygen reduction reaction(ORR) typically focus on SACs with cationic metal centers,while SACs with anionic metal centers(anionic SACs) have been generally ***,anionic SACs may offer excellent active sites for ORR,since anionic metal centers could facilitate the activation of O_(2) by back donating electrons to the antibonding orbitals of O_(2).In this work,we propose a simple guideline for designing anionic SACs:the metal centers should have larger electronegativity than the surrounding atoms in the substrate on which the metal atoms are *** means of density functional theory(DFT) simulations,we identified 13 anionic metal centers(Co,Ni,Cu,Ru,Rh,Pd,Ag,Re,Os,Ir,Pt,Au,and Hg) dispersed on pristine or defective antimonene substrates as new anionic SACs,among which anionic Au and Co metal centers exhibit limiting potentials comparable to,or even better than,conventional Pt-based catalysts towards *** also found that anionic Os and Re metal centers on the defective antimonene can electrochemically catalyze the nitrogen reduction reaction(NRR) with a limiting potential close to that of stepped Ru(0001).Overall,our work shows promise towards the rational design of anionic SACs and their utility for applications as electrocatalysts for ORR and other important electrochemical reactions.

关键词： single-atom catalysts Anionic metal centers Antimonene Oxygen reduction reaction Nitrogen reduction reaction

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single-atom catalysts for metal-sulfur batteries:Current progress and future perspectives

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Journal of Energy Chemistry 2021年第3期30卷 452-466页

作者： Ru Xiao Ke Chen Xiaoyin Zhang Zhenzhen Yang Guangjian Hu Zhenhua Sun Hui-Ming Cheng Feng Li Shenyang National Laboratory for Materials Science Institute of Metal ResearchChinese Academy of SciencesShenyang 110016LiaoningChina School of Materials Science and Engineering University of Science and Technology of ChinaHefei 230026AnhuiChina School of Physical Science and Technology ShanghaiTech UniversityShanghai 201210China Shenzhen Geim Graphene Center Tsinghua-Berkeley Shenzhen InstituteTsinghua UniversityShenzhen 518055GuangdongChina Key Laboratory of Physics and Technology for Advanced Batteries(Ministry of Education) College of PhysicsJilin UniversityChangchun 130012JilinChina

Metal-sulfur batteries are recognized as a promising candidate for next generation electrochemical energy storage systems owing to their high theoretical energy density,low cost and environmental ***,sluggish redox kinetics of sulfur species and the shuttle effect lead to large polarization and severe capacity *** approaches from physical barrier,chemical adsorption strategies to electrocatalysts have been tried to solve these issues and pushed the rate and cycle performance of sulfur electrodes to higher *** recently,single-atom catalysts(SACs)with high catalytic efficiency have been introduced into metal-sulfur systems to achieve fast redox kinetics of sulfur *** this review,we systematically summarize the current progress on SACs for sulfur electrodes from aspects of synthesis,characterization and electrochemical *** and potential solutions for designing SACs for high-performance sulfur electrodes are discussed.

关键词： single-atom catalysts Metal-sulfur batteries Redox kinetics Synthesis Characterization Electrochemical performance

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single-atom catalysts for electrochemical energy storage and conversion

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Journal of Energy Chemistry 2021年第12期30卷 170-194,I0004页

作者： Wei Ma Hao Wan Lili Zhang Jin You Zheng Zhen Zhou Engineering Research Center of Advanced Functional Material Manufacturing of Ministry of Education School of Chemical EngineeringZhengzhou UniversityZhengzhou 450001HenanChina

The expedited consumption of fossil fuels has triggered broad interest in the fabrication of novel catalysts for electrochemical energy storage and conversion. Especially, single-atom catalysts(SACs) have attracted more attention owing to their high specific surface areas and abundant active centers. This review summarizes recent synthetic strategies to fabricate SACs with different metal loadings on various supports, and the structural influence of supports on metal loading. Then, the functions of SACs are illustrated on electronic structure and electrocatalysis;the isolated SACs with an unsaturated coordination environment generally accelerate the electrocatalytic process and promote the selectivity. The applications of SACs to some typical electrocatalytic reactions are also introduced in detail, as well as to electrochemical energy storage and conversion systems. Finally, the challenges and the perspectives of SACs are discussed for future exploration.

关键词： single-atom catalysts Energy storage and conversion Electrocatalysis Batteries Fuel cells

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single-atom catalysts:controlled synthesis and dynamic mechanism in electrochemical oxygen evolution substitution reactions

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Rare Metals 2024年第10期43卷 4903-4920页

作者： Qin Zhao Rong Gan Yi-Ling Ran Quan-Lei Ma Wen-Wen Chen Yue-Xin Guo Yan Zhang Ding-Sheng Wang School of Chemistry Southwest Jiaotong UniversityChengdu 610031China School of Life Science and Engineering Southwest Jiaotong UniversityChengdu 610031China Engineering Research Center of Advanced Rare Earth Materials Department of ChemistryTsinghua UniversityBeijing 100084China

single-atom catalysts(SACs)have attracted much attention in the field of electrocatalysis due to their100%atomic utilization efficiency,clear active center and adjustable *** application of SACs to anodic oxygen evolution substitution reactions with high conversion efficiency and selectivity is undoubtedly ***,a full understanding of the interactions between metal single-atom active sites and supports,and an in-depth understanding of the active centers and catalytic mechanisms of SACs in the electro-oxidation of small molecules are the keys to the development of high-performance *** review focuses on the synthesis of different support SACs and the interactions between single atoms and supports at the inter-face,and introduces the reaction mechanism of SACs in the electro-oxidation of different small-molecule substrates,such as ethanol,urea and hydrazine,with the aim of providing insights and ideas for the design of more efficient and ideal ***,we discuss the current challenges and future opportunities in the field.

关键词： single-atom catalysts Supports Synthesis Oxygen evolution substitution reaction Electrochemical oxidation mechanism

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single‑atom catalysts:Advances and Challenges in Metal‑Support Interactions for Enhanced Electrocatalysis

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Electrochemical Energy Reviews 2022年第1期5卷 145-186页

作者： Yang Mu Tingting Wang Jian Zhang Changgong Meng Yifu Zhang Zongkui Kou School of Chemical Engineering Dalian University of TechnologyDalian 116024LiaoningChina State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070HubeiChina School of Chemistry and Chemical Engineering Huazhong University of Science and TechnologyWuhan 430074HubeiChina

single-atom catalysts(SACs),which contain a single metal atom supported on a well-confined substrate,are among the most promising heterogeneous catalysts owing to their unique advantages,such as high intrinsic activity and selectivity,tunable bonds and coordination,abundant metal-containing active sites,and atomic *** metal-support interactions(MSIs)in SACs exert a substantial influence on the catalytic properties,gaining a profound understanding and recognition of catalytic reactions depends greatly on investigating MSIs both experimentally and ***,the engineer-ing and modulation of MSIs are regarded as one of the most efficient methods to rationally design SACs with disruptively enhanced catalytic *** this review,we track the recent advances in SACs from an MSI *** then discuss the existing MSIs in SACs and elucidate the significant role of strong MSIs in catalytic properties and *** chal-lenges hindering the rational design of supported SACs with strong MSIs,which are currently still far from being completely understood and overcome,are *** addition,the correlation between strong MSIs and electrocatalytic activities in SACs,including an outlook to increase our understanding of MSIs,is ***,the present review provides some perspectives and an in-depth understanding of strong MSIs to advance high-performing SACs.

关键词： Metal-support interaction single-atom catalysts Electrocatalysis ORR and OER HER and HOR

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single-atom catalysts supported on ordered porous materials:Synthetic strategies and applications

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InfoMat 2022年第6期4卷 36-60页

作者： Kaiwen Xue Yan Mo Baojun Long Wen Wei Changsheng Shan Shaojun Guo Li Niu Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules College of Chemistry and Chemical EngineeringHubei UniversityWuhanChina School of Materials Science and Engineering Peking UniversityBeijingChina Center for Advanced Analytical Science c/o School of Chemistry and Chemical EngineeringGuangzhou UniversityGuangzhouChina

single-atom catalysts(SACs)are attracting extensive attention due to their incredibly catalytic activity and selectivity,high utilization of metal atoms,and obvious cost *** unique ordered porous materials(OPMs)are promising carriers for stabilizing single atoms due to their large surface areas and uniformly tunable pore ***,the geometric and electronic structures of single-atom metals can be tuned by the interaction between the single-atoms(SAs)and OPMs to enhance the catalytic activity of *** SACs based on OPMs,such as zeolites,metal-organic frameworks,and ordered mesoporous materials,have been developing fast ***,we review recent advancements on structural feature,synthetic strategy,characterization technique,and catalytic applications of OPMs-based *** opportunities and challenges about SAs/OPMs are also provided to develop the novel catalysts with superior catalytic performances in the future.

关键词： catalysis and energy metal organic frameworks ordered mesoporous materials single-atom catalysts zeolites

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