Membrane-less MoO_(3-x)@TiO_(2)-bromine battery with excellent rate capability and cyclic stability
作者机构:School of Materials Science and EngineeringGuangdong Provincial Key Laboratory of Advanced Energy Storage MaterialsSouth China University of TechnologyGuangzhou 510640GuangdongChina
出 版 物:《Journal of Energy Chemistry》 (能源化学(英文版))
年 卷 期:2024年第93卷第6期
页 面:316-321,I0008页
核心收录:
学科分类:0820[工学-石油与天然气工程] 0808[工学-电气工程] 0817[工学-化学工程与技术] 08[工学] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程(可授工学、理学学位)] 0703[理学-化学]
基 金:the financial support from the National Key Research and Development Program of China(2022YFB2502003) the Guangdong Basic and Applied Basic Research Foundation(2023B1515040011)
主 题:Molybdenum trioxide Oxygen deficiency TiO_(2)coating Compatibility Bromine-based battery
摘 要:Bromine has attracted significant attention as a cathode material for aqueous batteries due to its high reduction potential of 1.05 V(Br_(3)^(-)+2e~-■3Br~-),impressive theoretical specific capacity of 223 mA h g^(-1),and rapid reaction kinetics in the ***,searching for compatible anode materials to match with bromine has posed a challenge due to its highly corrosive *** this study,we developed oxygen-deficient MoO_(3) with TiO_(2) coating(referred to as MoO_(3-x)@TiO_(2))as an anode material to pair with a bromine cathode in static full *** oxygen deficiency contributes to enhanced electronic and protonic diffusion within the MoO_(3-x)lattice,while the TiO_(2) coating mitigates structural dissolution and proton trapping during *** MoO_(3-x)@TiO_(2) demonstrates fast charge storage kinetics and excellent resistance to bromine *** impressive compatibility between MoO_(3-x)@TiO_(2) and bromine enables the construction of membrane-less full batteries with exceptional rate capability and cyclic *** MoO_(3-x)@TiO_(2)-bromine battery achieves an energy density of70.8 W h kg^(-1)at a power density of 328.1 W kg^(-1),showcasing an impressive long-term cyclic life of 20,000 *** study provides valuable insights for the development of high-performance aqueous secondary batteries.