Preparation and Electrochemical Properties of Doped Li1+xV3O8

Abstract

Abstract: Spherical cobalt-doped or manganese-doped Li_1+xV₃O₈ compound was synthesized via sol-gel method and spray drying method. The best doping content of Co or Mn was one percent (molar
ratio to V). The influence of heat treatment temperature on the structure and electrochemical properties of the doped Li_1+xV₃O₈ was studied. The investigation of XRD, SEM and the determination
of the electrochemical properties show that the doping does not influence the looks and structure, and that the product obtained by sintering at 350℃ has better cycle performance at normal
temperature. Compared with Mn, Co has better doping effect.

Key words: lithium secondary battery, Li_1+xV₃O₈, doping, spherical

CLC Number:

TM911

GAO Jian,JIANG Chang-Yin,WAN Chun-Rong. Preparation and Electrochemical Properties of Doped Li_1+xV₃O₈[J]. Journal of Inorganic Materials.

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Preparation and Electrochemical Properties of Doped Li_1+xV₃O₈

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