Used mullite-based saggars from a Li(Ni_xCo_yMn_z)O₂ (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 °C to 1100 °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.

中文翻译：

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煅烧过程中莫来石耐火材料和锂离子电池正极材料之间的相互作用

Li（Ni _x Co _y Mn _z）O _2中使用的莫来石基杂物收集了（LNCM）材料制造厂，以表征施工过程中发生的降解。基于事后分析，使用莫来石粉末和商用锂离子电池阴极前体的混合物设计了实验室规模的实验。将混合物在800℃至1100℃的温度范围内煅烧，并通过X射线衍射和扫描电子显微镜表征。确定了温度对莫来石与LNCM材料之间相互作用的影响。事后研究与实验室规模测试的结合，使人们能够更全面地了解降解过程中蔗糖微结构的演变。