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Interactions between potassium aluminosilicates and Li-ion battery cathode materials during calcination

  • Dafei Ding
  • Liugang ChenEmail author
  • Shuhe Hu
  • Yiming Yin
  • Pengtao Zhai
  • Lingling Zhu
  • Guotian Ye
Research

Abstract

To assess the feasibility of potassium aluminosilicates (KAlSiO4, KAS2 and KAlSi2O6, KAS4) as the refractory sagger material for the calcination of Li-ion battery cathode materials, the interaction behavior between KAS2 (KAS4) and the Li(NixCoyMnz)O2 (LNCM) material was investigated at temperatures ranging from 800 to 1100 °C. The phase composition and microstructure of calcined KAS2 (KAS4)-LNCM precursor mixtures were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM), respectively. The results indicate that potassium aluminosilicates exhibit superior resistance to corrosion by LNCM materials compared with mullite and MgO-based refractories, and rarely react with LNCM materials during calcination.

Keywords

Interaction Potassium aluminosilicates Li-ion battery cathode Microstructure 

Notes

Funding information

This study is financially supported by the National Natural Science Foundation of China (nos. 51572244U1604252, 51672255, and 5180020807).

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Copyright information

© Australian Ceramic Society 2019

Authors and Affiliations

  • Dafei Ding
    • 1
  • Liugang Chen
    • 1
    • 2
    Email author
  • Shuhe Hu
    • 1
  • Yiming Yin
    • 1
  • Pengtao Zhai
    • 1
  • Lingling Zhu
    • 1
  • Guotian Ye
    • 1
  1. 1.Henan Key Laboratory of High Temperature Functional Ceramics, School of Materials Science and EngineeringZhengzhou UniversityZhengzhouChina
  2. 2.Department of Materials EngineeringKU LeuvenLeuvenBelgium

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