Research on saggars of lightweight design used to prepare cathode materials for Li-ion batteries |
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| Affiliation: | 1. The State Key Laboratory of Refractory and Metallurgy, Wuhan University of Science & Technology, Wuhan 430081, PR China;2. Hunan Jinkai New Material Science and Technology Co., Ltd, Xiangtan 411100, PR China;1. State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China;2. School of Materials Science and Engineering, Dalian Jiaotong University, Dalian 116028, China;3. Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China;1. Interdisciplinary Graduate School of Engineering Science, Kyushu University, 6-1 Kasuga-koen, Kasuga-shi, Fukuoka 816-8580, Japan;2. Research Center for Structural Materials, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan;3. Research Network and Facility Services Division, National Institute for Materials Science, 1–2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan |
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| Abstract: | 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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| Keywords: | Li-ion battery cathode materials Saggar Lightweight Mullite–cordierite |
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