Interactions between mullite saggar refractories and Li-ion battery cathode materials during calcination

被引:48
作者
Zhai, Pengtao [1 ]
Chen, Liugang [1 ,2 ]
Yin, Yiming [1 ]
Li, Suping [1 ]
Ding, Dafei [1 ]
Ye, Guotian [1 ]
机构
[1] Zhengzhou Univ, Sch Mat Sci & Engn, Henan Key Lab High Temp Funct Ceram, Kexue Ave 100, Zhengzhou 450001, Henan, Peoples R China
[2] Katholieke Univ Leuven, Dept Mat Engn, Kasteelpk Arenberg 44, B-3001 Leuven, Belgium
基金
中国国家自然科学基金;
关键词
Degradation; Mullite; Li-ion battery cathode materials; Li(NixCoyMnz)O-2; ZNO;
D O I
10.1016/j.jeurceramsoc.2017.10.046
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Used mullite-based saggars from a Li(NixCoyMnz)O-2 (LNCM) materials-making plant were collected to characterize the degradation occurring during application. Based on the post-mortem analysis, laboratory scale experiments were designed using mixtures of mullite powders and commercial Li-ion battery cathode precursors. The mixtures were calcined at temperatures ranging from 800 degrees C to 1100 degrees C, and characterized with X-ray diffraction and scanning electron microscopy. The influence of temperature on the interactions between mullite and LNCM materials was determined. The combination of the post-mortem study and the laboratory scale tests allowed a more comprehensive understanding of the evolution of the saggar microstructure during degradation.
引用
收藏
页码:2145 / 2151
页数:7
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