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Delicate Control of Multishelled Zn–Mn–O Hollow Microspheres as a High-Performance Anode for Lithium-Ion Batteries

Mixed/composite oxides of transition metals with hollow structures, especially multishelled hollow architecture, have promising potential for different applications, but their syntheses still remain a big challenge. Herein, a facile coordination polymer precursor method was developed to construct various multishelled Zn–Mn–O hollow microspheres, including ZnMnO3, ZnMn2O4, and ZnMn2O4/Mn2O3. The composition of the hollow structures can be adjusted by controlling the composition of the coordination polymer precursors, which are easily obtained with Zn2+, Mn2+, and salicylic acid under solvothermal conditions. With a simple programmable heating process, the shell of the hollow structures can be adjusted and double-/triple-shelled ZnMnO3, ZnMn2O4, and ZnMn2O4/Mn2O3 hollow microspheres have been controllably obtained. When the triple-shelled ZnMn2O4 hollow microspheres are used as anode materials for lithium-ion batteries, excellent activity and enhanced stability can be achieved. The triple-shelled hollow ZnM...

Authors:   Jiaying Xu; Hao Zhang; Ruofeng Wang; Peibo Xu; Yinlin Tong; Qingyi Lu; Feng Gao
Journal:   Langmuir
Year:   2018
DOI:   10.1021/acs.langmuir.7b02632
Publication date:   18-Jan-2018
Facts, background information, dossiers
  • transition metals
  • stability
  • salicylic acid
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