Synthesis, structural and electrochemical properties of Ni-rich material prepared by a sol-gel method

Mai Thanh Tung, Vu Duc Luong
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Authors

  • Mai Thanh Tung
  • Vu Duc Luong

DOI:

https://doi.org/10.15625/0866-7144.2016-00400

Keywords:

Lithium-ion battery, cathode material, LiNi0.8Co0.1Mn0.1O2, sol-gel.

Abstract

We report on a novel synthetic method of sol-gel processing to prepare Ni-rich cathode materials. We also studied and reported on the electrochemical properties of the resultant products. XRD revealed that a single phase Ni-rich powder can be synthesized by sol-gel processing. The Ni-rich material obtained has a high electrochemical capacity and good cycle ability. These results indicate that sol-gel processing is a promising method for preparing Ni-rich cathode materials. The sample prepared under the optimal conditions had a well ordered hexagonal layered structure. The charge–discharge tests showed that the initial capacities of the sample were 220.456 and 185.937 mAhg-1at the discharge rate of 0.1 C between 3.0 and 4.3 V, respectively. The capacity retention ratio was 81.36 % at 1 C after 50 cycles.

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Published

28-12-2016

How to Cite

Tung, M. T., & Luong, V. D. (2016). Synthesis, structural and electrochemical properties of Ni-rich material prepared by a sol-gel method. Vietnam Journal of Chemistry, 54(6), 760. https://doi.org/10.15625/0866-7144.2016-00400

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Articles