EPJ Web Conf.
Volume 162, 2017International Conference on Applied Photonics and Electronics 2017 (InCAPE2017)
|Number of page(s)||4|
|Published online||22 November 2017|
Structure and electrochemical properties of Zn and Co dual-doped (Li2Co1-xZnxMn3O8) as cathode material for rechargeable lithium-ion batteries
Centre for Frontier Materials Research, Universiti Malaysia Perlis, 01000 Kangar, Perlis, Malaysia.
2 School of Materials Engineering, Universiti Malaysia Perlis, Jejawi, 02600 Arau, Perlis, Malaysia.
3 School of Microelectronics Engineering, Universiti Malaysia Perlis, Pauh Putra, 02600 Arau, Perlis, Malaysia.
4 Advanced Batteries Lab, Department of Physics, National University of Singapore, Singapore 117542, Singapore.
5 School of Electrical System Engineering, Universiti Malaysia Perlis, Pauh Putra, 02600 Arau, Perlis, Malaysia.
* Corresponding author: firstname.lastname@example.org
Published online: 22 November 2017
Spinel Zn doped Li2CoMn3O8 (or also known as LiCo0.5Mn1.5O4) yielding formula Li2Co1-xZnxMn3O8 (0 ≤ x ≤ 1) were produced via conventional solid state method. XRD results and the variation of cell lattice and volume showed that the solid solution limit of these compositions was at x=0.6. Impurities were detected when the amount of Zn was beyond 60 %. The discharge capacities deteriorate as Zn content was increased. However, these Zn doped samples exhibited excellent cycle-ability (99.9% capacity retention) throughout 50 charging and discharging cycles which indicated that doping of Zn could possibly stabilised the spinel structure.
© The Authors, published by EDP Sciences, 2017
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