Int. J. of Nanomanufacturing   »   2013 Vol.9, No.3/4

 

 

Title: Electrochemical properties of LiNi1/3Col/3Mnl/3O2/Cu(Ac)2 composite cathode materials for Li-ion batteries

 

Authors: Jiping Zhu; Quanbao Xu; Guang Yang; Junjie Zhao

 

Addresses:
School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, Anhui, China
School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, Anhui, China
School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, Anhui, China
School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, Anhui, China

 

Abstract: The layered electrode materials LiNi1/3Col/3Mnl/3O2/Cu(Ac)2 were synthesised by a solid state reaction method. Cupric acetate (Cu(Ac)2) was used as raw material to mix into LiNi1/3Co1/3Mn1/3O2 material, and resolved into CuO at low temperatures. The structures, morphologies and electrochemical properties of the complex materials were characterised by X-ray diffractometry (XRD), scanning electron microscopy (SEM), and electrochemistry test. For the rate performance test, the cells were charged and discharged at 0.2~2 C in the voltage of 2.5~4.3 V and 2.5~4.6 V. The results showed that the electrochemical properties and cycle performance of Cu(Ac)2-mixed LiNi1/3Co1/3Mn1/3O2 materials were improved. The optimal mixing content of Cu(Ac)2 was 8 wt% in LiNi1/3Co1/3Mn1/3O2 material.

 

Keywords: cathode materials; Cu(Ac)2; cupric acetate; high performance batteries; conductivity; solid state reaction; X-ray diffractometry; XRD; electrode materials; electrochemical properties; lithium-ion batteries; li-ion batteries; nanotechnology; LiNi1/3Co1/3Mn1/3O2.

 

DOI: 10.1504/IJNM.2013.056057

 

Int. J. of Nanomanufacturing, 2013 Vol.9, No.3/4, pp.311 - 319

 

Submission date: 27 Nov 2012
Date of acceptance: 04 Feb 2013
Available online: 29 Aug 2013

 

 

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