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Achieving high-capacity and long-life K^(+)storage enabled by constructing yolk-shell Sb_(2)S_(3)@N,S-doped carbon nanorod anodes

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Journal of Energy Chemistry 2023年第1期76卷 547-556,I0014页

作者： Bensheng Xiao Hehe zhang Zhefei Sun Miao Li Yingzhu Fan Haichen Lin Haodong Liu Bing Jiang Yanbin Shen Ming-Sheng Wang Meicheng Li qiaobao zhang Department of Materials Science and Engineering College of MaterialsXiamen UniversityXiamen 361005FujianChina Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials(Xiamen University) Xiamen 361005FujianChina Department of Nanoengineering University of California San DiegoLa JollaCA92093United States State Key Laboratory of Altermate Electrical Power System with Renewable Energy Sources Schoolof New EnergyNorth China Electric Power UniversityBeijing 102206China i-Lab CAS Center for Excellence in NanoscienceSuzhou Institute of Nano-Tech and Nano-Bionics(SINANO)Chinese Academy of SciencesSuzhou 215123JiangsuChina

As promising anode candidates for potassium-ion batteries(PIBs),antimony sulfide(Sb_(2)S_(3))possesses high specific capacity but suffers from massive volume expansion and sluggish kinetics due to the large K^(+)insertion,resulting in inferior cycling and rate *** address these challenges,a yolk-shell structured Sb_(2)S_(3)confined in N,S co-doped hollow carbon nanorod(YS-Sb_(2)S_(3)@NSC)working as a viable anode for PIBs is *** directly verified by in situ transmission electron microscopy(TEM),the buffer space between the Sb_(2)S_(3)core and thin carbon shell can effectively accommodate the large expansion stress of Sb_(2)S_(3)without cracking the shell and the carbon shell can accelerate electron transport and K^(+)diffusion,which plays a significant role in reinforcing the structural stability and facilitating charge *** a result,the YS-Sb_(2)S_(3)@NSC electrode delivers a high reversible K^(+)storage capacity of 594.58 m A h g^(-1)at 0.1 A g^(-1)and a long cycle life with a slight capacity degradation(0.01%per cycle)for 2000 cycles at 1 A g^(-1)while maintaining outstanding rate ***,utilizing in in situ/ex situ microscopic and spectroscopic characterizations,the origins of performance enhancement and K^(+)storage mechanism of Sb_(2)S_(3)were clearly *** work provides valuable insights into the rational design of high-performance and durable transition metal sulfides-based anodes for PIBs.

关键词： Antimony sulfide Yolk-shell structure In situ TEM Potassium-ion batteries Super-stable cyclability

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High Initial Reversible Capacity and Long Life of Ternary SnO_(2)-Co-carbon Nanocomposite Anodes for Lithium-Ion Batteries

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Nano-Micro Letters 2019年第1期11卷 326-338页

作者： Pan Deng Jing Yang Shengyang Li Tian-E Fan Hong-Hui Wu Yun Mou Hui Huang qiaobao zhang Dong-Liang Peng Baihua Qu Pen-Tung Sah Institute of Micro-Nano Science and Technology Department of Materials Science and Engineering College of Materials Xiamen University College of Automation and Key Laboratory of Industrial Internet of Things and Networked Control Ministry of Education Chongqing University of Posts and Telecommunications Department of Chemistry University of Nebraska-Lincoln School of Mechanical Science and Engineering Huazhong University of Science and Technology

The two major limitations in the application of SnO_2 for lithium?ion battery(LIB) anodes are the large volume variations of SnO_2 during repeated lithiation/delithiation processes and a large irreversible capacity loss during the first cycle, which can lead to a rapid capacity fade and unsatisfactory initial Coulombic e ciency(ICE). To overcome these limitations, we developed composites of ultrafine SnO_2 nanoparticles and in situ formed Co(CoSn) nanocrystals embedded in an N?doped carbon matrix using a Co?based metal–organic framework(ZIF?67). The formed Co additives and structural advantages of the carbon?confined SnO_2/Co nanocomposite e ectively inhibited Sn coarsening in the lithiated SnO_2 and mitigated its structural degradation while facilitating fast electronic transport and facile ionic di usion. As a result, the electrodes demonstrated high ICE (82.2%), outstanding rate capability(～ 800 mAh g^(-1) at a high current density of 5 A g^(-1)), and long?term cycling stability(～ 760 mAh g^(-1) after 400 cycles at a current density of 0.5 A g^(-1)). This study will be helpful in developing high?performance Si(Sn)?based oxide, Sn/Sb?based sulfide, or selenide electrodes for LIBs. In addition, some metal organic frameworks similar to ZIF?67 can also be used as composite templates.

关键词： Ultrafine SnO_(2) nanostructures ZIF-67 frameworks Enhanced initial Coulombic efficiency Reversible conversion reaction

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Separator functionalization enables high-performance zinc anode via ion-migration regulation and interfacial engineering

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Chinese Chemical Letters 2024年第9期35卷 496-500页

作者： Ningning Zhao Yuyan Liang Wenjie Huo Xinyan Zhu zhangxing He Zekun zhang Youtuo zhang Xianwen Wu Lei Dai Jing Zhu Ling Wang qiaobao zhang School of Chemical Engineering North China University of Science and TechnologyTangshan 063009China School of Chemistry and Chemical Engineering Jishou UniversityJishou 416000China Department of Materials Science and Engineering College of MaterialsXiamen UniversityXiamen 361005China

Aqueous zinc ion batteries(AZIBs)are promising energy storage ***,the formation of dendrites,hydrogen evolution,and corrosion reaction seriously affect their electrochemical ***,the synergistic effect of ion-migration regulation and interfacial engineering has been confirmed as the potential strategy by kaolin functionalized glass fiber separator(KL-GF)to alleviate these *** rapid and orderly Zn^(2+)migration was achieved to improve the transfer kinetics and induced uniform zinc deposition by more zinc-philic sites of *** on the interfacial engineering,the side reactions were effectively mitigated and crystal planes were regulated through *** hydrophilicity of KL alleviated the corrosion and hydrogen ***,a preferential orientation of Zn(002)crystal plane by KL-GF was induced to further realize dendrite-free deposition by density functional theory(DFT)and X-ray diffraction(XRD)***,the Zn|KL-GF|MnO_(2)cell maintained a high discharge capacity of 96.8 mAh/g at 2 A/g after 1000 *** work can provide guidance enabling high-performance zinc anode for AZIBs.

关键词： Energy storage Aqueous zinc ion batteries Separators Ion-migration regulation Interfacial engineering

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Shining light on transition metal tungstate-based nanomaterials for electrochemical applications:Structures,progress,and perspectives

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Nano Research 2022年第8期15卷 6924-6960页

作者： Kaijia Feng Zhefei Sun Yong Liu Feng Tao Junqing Ma Han Qian Renhong Yu Kunming Pan Guangxin Wang Shizhong Wei qiaobao zhang National Joint Engineering Research Center for Abrasion Control and Molding of Metal Materials Henan Key Laboratory of Non–Ferrous Materials Science&Processing TechnologySchool of Materials Science and EngineeringHenan University of Science and TechnologyLuoyang 471023China Provincial and Ministerial Co–construction of Collaborative Innovation Center for Non-ferrous Metal New Materials and Advanced Processing Technology Henan Key Laboratory of High-temperature Structural and Functional MaterialsHenan University of Science and TechnologyLuoyang 471023China Department of Materials Science and Engineering College of MaterialsXiamen UniversityXiamen 361005China Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials Xiamen UniversityXiamen 361005China

Transition metal tungstate-based nanomaterials have become one of the research hotspots in electrochemistry due to their abundant natural resources,low costs,and environmental *** studies have demonstrated their significant potentials for electrochemical applications,such as supercapacitors,Li-ion batteries,Na-ion batteries,electrochemical sensing,and *** the rapidly growing research enthusiasm for this topic over the last several years,herein,a critical review of recent progress on the application of transition metal tungstates and their composites for electrochemical applications is *** relationships between synthetic methods,nano/micro structures and electrochemical properties are systematically ***,their promising prospects for future development are also *** is anticipated that this review will inspire ongoing interest in rational designing and fabricating novel transition metal tungstate-based nanomaterials for high-performance electrochemical devices.

关键词： transition metal tungstates supercapacitors lithium-ion batteries sodium-ion batteries electrochemical sensing electrocatalysis

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Ultra-thick,dense dual-encapsulated Sb anode architecture with conductively elastic networks promises potassium-ion batteries with high areal and volumetric capacities

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eScience 2023年第6期3卷 58-68页

作者： Zhonggang Liu Xi Liu Bingchun Wang Xinying Wang Dongzhen Lu Dijun Shen Zhefei Sun Yongchang Liu Wenli zhang qiaobao zhang Yunyong Li School of Materials and Energy Guangdong University of TechnologyNo.100 Waihuan Xi RoadGuangzhou Higher Education Mega CenterGuangzhou 510006China State Key Laboratory of Physical Chemistry of Solid Surfaces College of MaterialsXiamen UniversityXiamenFujian 361005China Beijing Advanced Innovation Center for Materials Genome Engineering Institute for Advanced Materials and TechnologyState Key Laboratory for Advanced Metals and MaterialsUniversity of Science and Technology BeijingBeijing 100083China Guangdong Provincial Key Laboratory of Plant Resources Biorefinery School of Chemical Engineering and Light IndustryGuangdong University of TechnologyNo.100 Waihuan Xi RoadGuangzhou Higher Education Mega CenterGuangzhou 510006China

Ultra-thick,dense alloy-type anodes are promising for achieving large areal and volumetric performance in potassium-ion batteries(PIBs),but severe volume expansion as well as sluggish ion and electron diffusion kinetics heavily impede their widespread ***,we design highly dense(3.1 g cm^(-3))Ti_(3)C_(2)T_(x) MXene and graphene dual-encapsulated nano-Sb monolith architectures(HD-Sb@Ti_(3)C_(2)T_(x)-G)with high-conductivity elastic networks(1560 S m^(-1))and compact dually encapsulated structures,which exhibit a large volumetric capacity of 1780.2 mAh cm^(-3)(gravimetric capacity:565.0 mAh g^(-1)),a long-term stable lifespan of 500 cycles with 82%retention,and a large areal capacity of 8.6 mAh cm^(-2)(loading:31 mg cm^(-2))in *** ex-situ SEM,in-situ TEM,kinetic investigations,and theoretical calculations,we reveal that the excellent areal and volumetric performance mechanism stems from the three dimensional(3D)high-conductivity elastic networks and the dualencapsulated Sb architecture of Ti_(3)C_(2)T_(x) and graphene;these effectively mitigate against volume expansion and the pulverization of Sb,offering good electrolyte penetration and rapid ionic/electronic ***_(3)C_(2)T_(x) also decreases the Kþdiffusion energy barrier,and the ultra-thick compact electrode ensures volumetric and areal *** findings provide a feasible strategy for fabricating ultra-thick,dense alloy-type electrodes to achieve high areal and volumetric capacity energy storage via highly-dense,dual-encapsulated architectures with conductive elastic networks.

关键词： Antimony Dually encapsulated structure Compact monolith Areal capacity Volumetric capacity Potassium-ion batteries

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Interfacial nitrogen engineering of robust silicon/MXene anode toward high energy solid-state lithium-ion batteries

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Journal of Energy Chemistry 2022年第4期31卷 727-735页

作者： Xiang Han Weijun Zhou Minfeng Chen Jizhang Chen Guanwen Wang Bo Liu Linshan Luo Songyan Chen qiaobao zhang Siqi Shi Ching-Ping Wong College of Materials Science and Engineering Nanjing Forestry UniversityNanjing 210037JiangsuChina School of Materials Science and Engineering Georgia Institute of TechnologyAtlantaUSA College of Mathematics and Physics Jinggangshan UniversityJi'an 343009JiangxiChina Department of Physics Jiujiang Research Institute and Collaborative Innovation Center for Optoelectronic Semiconductors and Efficient DevicesXiamen UniversityXiamen 361005FujianChina Department of Materials Science and Engineering College of MaterialsXiamen UniversityXiamen 361005FujianChina School of Materials Science and Engineering Shanghai UniversityShanghai 200444China

Replacing the conventional carbonate electrolyte by solid-state electrolyte (SSE) will offer improved safety for lithium-ion *** further improve the energy density,Silicon (Si) is attractive for next generation solid-state battery (SSB) because of its high specific capacity and low *** energy density and safe Si-based SSB,however,is plagued by large volume change that leads to poor mechanical stability and slow lithium ions transportation at the multiple interfaces between Si and ***,we designed a self-integrated and monolithic Si/two dimensional layered T_(3)C_(2)T_(x)(MXene,T_(x) stands for terminal functional groups) electrode architecture with interfacial nitrogen *** a heat treatment process,the polyacrylonitrile not only converts into amorphous carbon (a-C) that shells Si but also forms robust interfacial nitrogen chemical bonds that anchors Si and *** repeated lithiation and delithiation processes,the robust interfacial engineered Si/MXene configuration enhances the mechanical adhesion between Si and MXene that improves the structure stability but also contributes to form stable solid-electrolyte interphase (SEI).In addition,the N-MXene provides fast lithium ions transportation ***,the Si/MXene with interfacial nitrogen engineering (denoted as Si-N-MXene) deliveres high-rate performance with a specific capacity of 1498 m Ah g^(-1) at a high current of 6.4 A g^(-1).A Si-N-MXene/NMC full cell exhibited a capacity retention of 80.5%after 200 *** Si-N-MXene electrode is also applied to SSB and shows a relative stable cycling over 100 cycles,demonstrating the versatility of this concept.

关键词： Solid-state lithium-ion battery Monolithic Si/MXene anode Interfacial nitrogen engineering Lithium ions transportation

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In situ atomic-scale observation of size-dependent (de) potassiation and reversible phase transformation in tetragonal FeSe anodes

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InfoMat 2023年第1期5卷 161-171页

作者： Ran Cai Lixia Bao Wenqi zhang Weiwei Xia Chunhao Sun Weikang Dong Xiaoxue Chang Ze Hua Ruiwen Shao Toshio Fukuda Zhefei Sun Haodong Liu qiaobao zhang Feng Xu Lixin Dong Beijing Advanced Innovation Center for Intelligent Robots and Systems School of Medical TechnologyBeijing Institute of TechnologyBeijingPeople's Republic of China Analysis&Testing Center Beijing Institute of TechnologyBeijingPeople's Republic of China Department of Biomedical Engineering City University of Hong KongHong KongPeople's Republic of China Shaanxi Materials Analysis and Research Center School of Materials Science and EngineeringNorthwestern Polytechnical UniversityXi'anPeople's Republic of China School of Environmental and Safety Engineering North University of ChinaTaiyuanPeople's Republic of China Department of Materials Science and Engineering College of MaterialsXiamen UniversityXiamenFujianPeople's Republic of China Department of Nanoengineering University of California San DiegoLa JollaCaliforniaUSA SEU-FEI Nano-Pico Center Key Laboratory of MEMS of Ministry of EducationSoutheast UniversityNanjingPeople's Republic of China

Potassium-ion batteries(PIBs)are considered promising alternatives to lithium-ion batteries owing to cost-effective potassium resources and a suitable redox potential of-2.93 V(vs.-3.04 V for Li+/Li).However,the exploration of appro-priate electrode materials with the correct size for reversibly accommodating large K+ions presents a significant *** addition,the reaction mecha-nisms and origins of enhanced performance remain ***,tetragonal FeSe nanoflakes of different sizes are designed to serve as an anode for PIBs,and their live and atomic-scale potassiation/depotassiation mechanisms are revealed for the first time through in situ high-resolution transmission electron *** found that FeSe undergoes two distinct structural evolutions,sequen-tially characterized by intercalation and conversion reactions,and the initial intercalation behavior is *** expansion induced by the intercalation of K+ions is observed in small-sized FeSe nanoflakes,whereas unexpected cracks are formed along the direction of ionic diffusion in large-sized *** significant stress generation and crack extension originating from the combined effect of mechanical and electrochemical interactions are elucidated by geometric phase analysis and finite-element *** the different intercalation behaviors,the formed products of Fe and K_(2)Se after full potassiation can be converted back into the original FeSe phase upon *** particular,small-sized nanoflakes exhibit better cycling perfor-mance with well-maintained structural *** article presents the first successful demonstration of atomic-scale visualization that can reveal size-dependent potassiation ***,it provides valuable guidelines for optimizing the dimensions of electrode materials for advanced PIBs.

关键词： elucidated by geometric phase analysis and finite-element analysis. Despite the different intercalation behaviors the formed products of Fe and K 2 Se after full potassiation can be converted back into the original FeSe phase upon depotassiation. In particular small-sized nanoflakes exhibit better cycling perfor- mance with well-maintained structural integrity. This article presents the first successful demonstration of atomic-scale visualization that can reveal size- dependent potassiation dynamics. Moreover it provides valuable guidelines for optimizing the dimensions of electrode materials for advanced PIBs. KEYWOR DS in situ transmission electron microscopy potassium-ion batteries potassium-ion storage mechanism size-dependent effects tetragonal FeSe

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Tuning the electron transport behavior at Li/LATP interface for enhanced cyclability of solid-state Li batteries

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Nano Research 2023年第1期16卷 1634-1641页

作者： Linshan Luo Feng Zheng Haowen Gao Chaofei Lan Zhefei Sun Wei Huang Xiang Han Ziqi zhang Pengfei Su Peng Wang Shengshi Guo Guangyang Lin Jianfang Xu Jianyuan Wang Jun Li Cheng Li qiaobao zhang Shunqing Wu Ming-Sheng Wang Songyan Chen Department of Physics Collaborative Innovation Center for Optoelectronic Semiconductors and Efficient DevicesKey Laboratory of Low Dimensional Condensed Matter Physics(Department of Education of Fujian Province)Jiujiang Research InstituteXiamen UniversityXiamen 361005China State Key Lab of Physical Chemistry of Solid Surfaces College of MaterialsXiamen UniversityXiamen 361005China College of Materials Science and Engineering Nanjing Forestry UniversityNanjing 210037China Western Digital Corporation 951 Sandisk DrMilpitasCA 95035USA

An interlayer is usually employed to tackle the interfacial instability issue between solid electrolytes(SEs)and Li metal caused by the side ***,the failure mechanism of the ionic conductor interlayers,especially the influence from electron penetration,remains largely ***,using Li1.3Al0.3Ti1.7(PO4)3(LATP)as the model SE and LiF as the interlayer,we use metal semiconductor contact barrier theory to reveal the failure origin of Li/LiF@LATP interface based on the calculation results of density functional theory(DFT),in which electrons can easily tunnel through the LiF grain boundary with F vacancies due to its narrow barrier width against electron injection,followed by the reduction of ***,an Al-LiF bilayer between Li/LATP is found to dramatically promote the interfacial stability,due to the highly increased barrier width and homogenized electric field at the ***,the Li symmetric cells with Al-LiF bilayer can exhibit excellent cyclability of more than 2,000 h superior to that interlayered by LiF monolayer(~860 h).Moreover,the Li/Al-LiF@LATP/LiFePO4 solid-state batteries deliver a capacity retention of 83.2%after 350 cycles at 0.5 *** findings emphasize the importance of tuning the electron transport behavior by optimizing the potential barrier for the interface design in high-performance solid-state batteries.

关键词： solid-state electrolyte Li metal LiF Al electron transport interfacial barrier

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Machine Learning-Assisted Low-Dimensional Electrocatalysts Design for Hydrogen Evolution Reaction

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Nano-Micro Letters 2023年第12期15卷 161-187页

作者： Jin Li Naiteng Wu Jian zhang Hong‑Hui Wu Kunming Pan Yingxue Wang Guilong Liu Xianming Liu Zhenpeng Yao qiaobao zhang College of Chemistry and Chemical Engineering and Henan Key Laboratory of Function‑Oriented Porous MaterialsLuoyang Normal UniversityLuoyang 471934People’s Republic of China New Energy Technology Engineering Lab of Jiangsu Province College of ScienceNanjing University of Posts and Telecommunications(NUPT)Nanjing 210023People’s Republic of China School of Materials Science and Engineering University of Science and Technology BeijingBeijing 100083People’s Republic of China Department of Chemistry University of Nebraska-LincolnLincolnNE 8588USA Henan Key Laboratory of High‑Temperature Structural and Functional Materials National Joint Engineering Research Center for Abrasion Control and Molding of Metal MaterialsHenan University of Science and TechnologyLuoyang 471003People’s Republic of China National Engineering Laboratory for Risk Perception and Prevention Beijing 100041People’s Republic of China Center of Hydrogen Science Shanghai Jiao Tong UniversityShanghai 200000People’s Republic of China State Key Laboratory of Metal Matrix Composites School of Materials Science and EngineeringShanghai Jiao Tong UniversityShanghai 200000People’s Republic of China State Key Laboratory of Physical Chemistry of Solid Surfaces College of MaterialsXiamen UniversityXiamen 361005People’s Republic of China

Efficient electrocatalysts are crucial for hydrogen generation from electrolyzing ***,the conventional"trial and error"method for producing advanced electrocatalysts is not only cost-ineffective but also time-consuming and ***,the advancement of machine learning brings new opportunities for electrocatalysts discovery and *** analyzing experimental and theoretical data,machine learning can effectively predict their hydrogen evolution reaction(HER)*** review summarizes recent developments in machine learning for low-dimensional electrocatalysts,including zero-dimension nanoparticles and nanoclusters,one-dimensional nanotubes and nanowires,two-dimensional nanosheets,as well as other *** particular,the effects of descriptors and algorithms on screening low-dimensional electrocatalysts and investigating their HER performance are ***,the future directions and perspectives for machine learning in electrocatalysis are discussed,emphasizing the potential for machine learning to accelerate electrocatalyst discovery,optimize their performance,and provide new insights into electrocatalytic ***,this work offers an in-depth understanding of the current state of machine learning in electrocatalysis and its potential for future research.

关键词： Machine learning Hydrogen evolution reaction Low-dimensional electrocatalyst Descriptor Algorithm

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Enhanced electrochemical performance of nanoscale single crystal NMC811 modification by coating LiNbO_(3)

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Chinese Chemical Letters 2024年第5期35卷 514-518页

作者： Fengyu zhang Yali Liang zhangran Ye Lei Deng Yunna Guo Ping Qiu Peng Jia qiaobao zhang Liqiang zhang Clean Nano Energy Center State Key Laboratory of Metastable Materials Science and Technology Yanshan UniversityQinhuangdao 066004China School of New Energy and Materials China University of Petroleum BeijingBeijing 102249China Hebei Key Laboratory of Applied Chemistry College of Environmental and Chemical EngineeringYanshan UniversityQinhuangdao 066004China State Key Laboratory of Physical Chemistry of Solid Surfaces College of MaterialsXiamen UniversityXiamen 361005China

Single crystallization is an important strategy to resolve intergranular cracks and unnecessary side reactions with electrolytes in layered transition metal oxide cathodes LiNi_(0.8)Mn_(0.1)Co_(0.1)O_(2)(NMC811).Due to the limitations of high-temperature sintering and multi-step calcination,single crystal NMC811 generally shows irregular particles with a size of 2-3μ***,the prolonged Li-ion diffusion pathway and the stress generated by the uneven de-/intercalation sluggish Li-ion diffusion kinetics,what is more,cause structural damage such as intragranular cracks.A slow Li extraction rate or particle size reduction will ameliorate the structural damage and improve the cycling *** the most promising cathodes for next-generation power batteries,NMC811 required fast charge performance and cycle *** size reduction appears to be the displacement *** is an effective strategy to mitigate intragranular cracks of single crystal ***,the serious aggregation and increased specific surface area become new *** this article,we synthesized monodisperse nanoscale single crystal NMC811 by molten salt method and modified the surface by LiNbO3 *** electrochemical performance shows that nanoscale single crystal NMC811 has faster kinetic and higher capacity retention,so the strategy of combining nanonization and surface coating is an alternative way to prepare high specific capacity and cycle stable single crystal NMC811.

关键词： Ni-rich NMC811 Molten salt method Nanonization Surface coating Micron cracks

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