Li and Mn rich(LMR)layered oxides,written as xLi_(2) MnO_(3)·(1-x)LiMO_(2)(M=Mn,Ni,Co,Fe,etc.),have been widely reported in recent years due to their high capacity and high energy density.The stable structure and...Li and Mn rich(LMR)layered oxides,written as xLi_(2) MnO_(3)·(1-x)LiMO_(2)(M=Mn,Ni,Co,Fe,etc.),have been widely reported in recent years due to their high capacity and high energy density.The stable structure and superior performance of LMR oxides make them one of the most promising candidates for the next-generation cathode materials.However,the commercialization of these materials is hindered by several drawbacks,such as low initial Coulombic efficiency,the degradation of voltage and capacity during cycling,and poor rate performance.This review summarizes research progress in solving these concerns of LMR cathodes over the past decade by following three classes of strategies:morphology design,bulk design,and surface modification.We elaborate on the processing procedures,electrochemical performance,mechanisms,and limitations of each approach,and finally put forward the concerns left and the possible solutions for the commercialization of LMR cathodes.展开更多
Progress in humanity has intensified the demand for efficient and renewable energy storage,which warrants the development of advanced rechargeable batteries such as lithium-ion batteries(LIBs),sodium-ion batteries(SIB...Progress in humanity has intensified the demand for efficient and renewable energy storage,which warrants the development of advanced rechargeable batteries such as lithium-ion batteries(LIBs),sodium-ion batteries(SIBs),zinc-ion batteries(ZIBs),and lithium-sulfur batteries(Li-S batteries).Nevertheless,these batteries still suffer from certain limitations,such as the insufficient capacity and inferior stability in their electrode materials.Therefore,developing a feasible electrode material for Li/Na/Zn ion storage represents a critical challenge.Recently,polyoxovanadates(POVs)materials,particularly decavanadate anion(V_(10)O_(28))^(6-)clusters,have attracted considerate attention as promising battery electrodes,due to their rich multi-electron redox process,high structural stability,simple preparation process,and abundant ligand environment.In this review,we provide an overview of the research progress of(V_(10)O_(28))^(6-)-based materials in various metal-ion battery systems,including LIBs,SIBs,ZIBs,and Li-S batteries.We also discuss the underlying challenges associated with this type of materials,and we provide alternative strategies to overcome these issues.This review aims to facilitate the research and development of the nextgeneration(V_(10)O_(28))^(6-)-based battery materials.展开更多
基金financially supported by the National Key R&D Program of China(2016YFB0700600)the Soft Science Research Project of Guangdong Province(No.2017B030301013)the Shenzhen Science and Technology Research Grant(ZDSYS201707281026184)。
文摘Li and Mn rich(LMR)layered oxides,written as xLi_(2) MnO_(3)·(1-x)LiMO_(2)(M=Mn,Ni,Co,Fe,etc.),have been widely reported in recent years due to their high capacity and high energy density.The stable structure and superior performance of LMR oxides make them one of the most promising candidates for the next-generation cathode materials.However,the commercialization of these materials is hindered by several drawbacks,such as low initial Coulombic efficiency,the degradation of voltage and capacity during cycling,and poor rate performance.This review summarizes research progress in solving these concerns of LMR cathodes over the past decade by following three classes of strategies:morphology design,bulk design,and surface modification.We elaborate on the processing procedures,electrochemical performance,mechanisms,and limitations of each approach,and finally put forward the concerns left and the possible solutions for the commercialization of LMR cathodes.
基金financially supported by the National Natural Science Foundation of China(Nos.52071132,U21A20284,U1904216)Zhongyuan Thousand People Plan-The Zhongyuan Youth Talent Support Program(in Science and Technology),China(No.ZYQR201810139)+2 种基金the Innovative Funds Plan of Henan University of Technology,China(No.2020ZKCJ04)the Natural Science Foundation of Henan,China(No.222300420138)the support from the NSF Center for the Advancement of Wearable Technologies(No.1849243)。
文摘Progress in humanity has intensified the demand for efficient and renewable energy storage,which warrants the development of advanced rechargeable batteries such as lithium-ion batteries(LIBs),sodium-ion batteries(SIBs),zinc-ion batteries(ZIBs),and lithium-sulfur batteries(Li-S batteries).Nevertheless,these batteries still suffer from certain limitations,such as the insufficient capacity and inferior stability in their electrode materials.Therefore,developing a feasible electrode material for Li/Na/Zn ion storage represents a critical challenge.Recently,polyoxovanadates(POVs)materials,particularly decavanadate anion(V_(10)O_(28))^(6-)clusters,have attracted considerate attention as promising battery electrodes,due to their rich multi-electron redox process,high structural stability,simple preparation process,and abundant ligand environment.In this review,we provide an overview of the research progress of(V_(10)O_(28))^(6-)-based materials in various metal-ion battery systems,including LIBs,SIBs,ZIBs,and Li-S batteries.We also discuss the underlying challenges associated with this type of materials,and we provide alternative strategies to overcome these issues.This review aims to facilitate the research and development of the nextgeneration(V_(10)O_(28))^(6-)-based battery materials.
