Journal
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
Volume 43, Issue 2, Pages 692-699Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jeurceramsoc.2022.09.022
Keywords
Li-ion battery cathode materials; Saggar; Lightweight; Mullite-cordierite
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The focus of lightweight refractory is to replace high-density raw materials with lower-density raw materials in order to achieve equivalent volume replacement. In this study, porous mullite microspheres (PMM) were used to replace mullite particles in the preparation of mullite-cordierite saggars for Li-ion battery cathode materials. Various tests, including mechanical properties, thermal shock stability, and corrosion resistance, were conducted to confirm the quality standards of lightweight saggars. Compared to the samples with mullite particles, samples with PMM exhibit a more stable material structure and excellent performance, reducing mullite consumption and enhancing resistance to stress shedding during corrosion.
The focus of lightweight refractory is equivalent volume replacement that uses lower-density raw materials to replace the original high-density raw materials. In this study, we employ porous mullite microspheres (PMM) to replace mullite particles to realize the weight-lighting of mullite-cordierite saggars used to prepare cathode materials for Li-ion batteries. To confirm that lightweight saggars satisfy the quality standards of production, we conducted various tests, including mechanical properties, thermal shock stability and corrosion resistance. Compared with samples with mullite particles, samples with PMM have a comparatively stable material structure and excellent performance. Furthermore, PMM reduce mullite consumption and enhance their resistance to prevent stress shedding in the corrosion process.
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