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Electronic Materials Letters

, Volume 10, Issue 1, pp 253–258 | Cite as

Structure and electrochemical behavior of LiMnBO3 synthesized at various temperatures

  • Yong-Suk Lee
  • Hyukjae LeeEmail author
Article

Abstract

LiMnBO3 is synthesized via solid state reaction at various calcination temperatures, in order to investigate their lithium electrochemical behavior for Li-ion batteries. At lower calcination temperature, LiMnBO3 is composed of mostly monoclinic phase, with a small amount of hexagonal phase, but the ratio of hexagonal/monoclinic phase increases with an increase of calcination temperature, resulting in almost pure hexagonal phase at 800°C. Generally, monoclinic/hexagonal mixed phased LiMnBO3 displays better lithium electrochemical performance. While the pristine LiMnBO3 shows very low capacity, carbon-incorporated LiMnBO3 shows hugely improved charge-discharge capacity, in all samples. The maximum capacity, 108.2 mAh/g after 50 cycles, is obtained from LiMnBO3/C composite calcined at 600°C.

Keywords

borates calcination temperatures Li-ion batteries cathode materials 

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Copyright information

© The Korean Institute of Metals and Materials and Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  1. 1.Wolfram Korea Co. YonginGyeonggiKorea
  2. 2.Materials Research Center for Energy and Green TechnologyAndong National UniversityAndong, GyeongbukKorea

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