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Erosion Mechanism of Saggar Used for LiCoO2 Sintering
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Lifen ZHANG1, Hongqiang WAN1, Fenggang WANG1, Yuncong MA1, Yanqiang HUANG1, Zhenhua SUN2, 3, Shaopeng LI3
Mining and Metallurgical Engineering | 2023, 43(4) : 144 - 146
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Mining and Metallurgical Engineering | 2023, 43(4): 144-146
• MATERIALS •
Erosion Mechanism of Saggar Used for LiCoO2 Sintering
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Lifen ZHANG1, Hongqiang WAN1, Fenggang WANG1, Yuncong MA1, Yanqiang HUANG1, Zhenhua SUN2, 3, Shaopeng LI3
Affiliations
  • 1.Changsha Research Institute of Mining and Metallurgy Co Ltd, Changsha 410012, Hunan, China
  • 2.School of Materials Science and Technology, China University of Geosciences(Beijing), Beijing 100083, China
  • 3.CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, National Engineering Research Center of Green Recycling for Strategic Metal Resources, Beijing 100190, China
Published: 2023-08-01 doi: 10.3969/j.issn.0253-6099.2023.04.031
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The out-of-life saggar after repeated use for LiCoO2 sintering in industry was taken to explore its erosion mechanism during high temperature synthesis of LiCoO2 by adopting fluorescence analysis, chemical composition analysis, X-ray diffraction analysis, microstructure and energy spectrum analysis. Results show that when saggar is used to hold basic cobalt carbonate and lithium carbonate and calcined at 950 ℃ for 15 h, it is eroded and damaged after 15 times of operation. During LiCoO2 synthesis, saggar is mainly eroded by lithium ions, with the dominant erosion products including tetragonal LiAlO2, α-LiAlO2, LiAlSiO4, Li3AlSiO5 and Li3.17Si0.7S0.3O4. Cobalt ions are not involved in the chemical erosion but the synthesized lithium cobalt compounds migrate along the pores and also deposit along the migrating pores of saggar.

high temperature synthesis  /  synthesis device  /  LiCoO2  /  saggar  /  erosion mechanism
Lifen ZHANG, Hongqiang WAN, Fenggang WANG, Yuncong MA, Yanqiang HUANG, Zhenhua SUN, Shaopeng LI. Erosion Mechanism of Saggar Used for LiCoO2 Sintering[J]. Mining and Metallurgical Engineering, 2023 , 43 (4) : 144 -146 . DOI: 10.3969/j.issn.0253-6099.2023.04.031
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doi: 10.3969/j.issn.0253-6099.2023.04.031
  • Receive Date：2022-10-20
  • Online Date：2026-03-05
  • Published：2023-08-01
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  • Received：2022-10-20
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Affiliations
    1.Changsha Research Institute of Mining and Metallurgy Co Ltd, Changsha 410012, Hunan, China
    2.School of Materials Science and Technology, China University of Geosciences(Beijing), Beijing 100083, China
    3.CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, National Engineering Research Center of Green Recycling for Strategic Metal Resources, Beijing 100190, China
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https://castjournals.cast.org.cn/joweb/kygczz/EN/10.3969/j.issn.0253-6099.2023.04.031
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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