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Effect and Mechanism of Additives in Recovery of LiNi1/3Co1/3Mn1/3O2 by Acid Roasting - Water Leaching
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Xiaolong SONG1, Dahui WANG1, Huaijing CHEN2, Yanqiang LI1, Xiaoping PENG1
Mining and Metallurgical Engineering | 2026, 46(1) : 114 - 119
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Mining and Metallurgical Engineering | 2026, 46(1): 114-119
• METALLURGY •
Effect and Mechanism of Additives in Recovery of LiNi1/3Co1/3Mn1/3O2 by Acid Roasting - Water Leaching
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Xiaolong SONG1, Dahui WANG1, Huaijing CHEN2, Yanqiang LI1, Xiaoping PENG1
Affiliations
  • 1.State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Lanzhou University of Technology, Lanzhou 730050, Gansu, China
  • 2.School of Science, Lanzhou University of Technology, Lanzhou 730050, Gansu, China
doi: 10.3969/j.issn.0253-6099.2026.01.019
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In order to promote resource recycling from spent lithium-ion batteries, a novel process consisting of acidic roasting and water leaching was proposed to recover valuable metals therein. With LiNi1/3Co1/3Mn1/3O2 as raw material, effect of additives in roasting process on valuable metals was investigated. The results indicate that obvious weight loss and endothermic behavior occur when LiNi1/3Co1/3Mn1/3O2 is mixed with additives of NaHSO4·H2O, KHSO4, Na2S2O7, and K2S2O7 at molar ratios of 1∶3, 1∶3, 1∶1.5, and 1∶1.5 respectively and roasted. In the presence of additives, Li, Ni, Co and Mn in the roasted LiNi1/3Co1/3Mn1/3O2 exist as corresponding sulfates, and the roasted products are massive and compact in structure. After the mixture of LiNi1/3Co1/3Mn1/3O2 and additives is roasted at 600 ℃ for 0.5 h and then the obtained calcine is leached with water, the leaching rates of metal elements are 99.99%, 98.97%, 99.89% and 98.86% by correspondingly using additives of NaHSO4·H2O, KHSO4, Na2S2O7, K2S2O7, respectively.

spent lithium-ion battery  /  LiNi1/3Co1/3Mn1/3O2  /  metal recovery  /  acidic roasting  /  additive  /  water leaching
宋晓龙, 王大辉, 陈怀敬, 李彦强, 彭小平. 酸性焙烧-水浸回收废旧LiNi1/3Co1/3Mn1/3O2过程中添加剂的影响及其机理研究. 矿冶工程杂志, 2026 , 46 (1) : 114 -119 . DOI: 10.3969/j.issn.0253-6099.2026.01.019
Xiaolong SONG, Dahui WANG, Huaijing CHEN, Yanqiang LI, Xiaoping PENG. Effect and Mechanism of Additives in Recovery of LiNi1/3Co1/3Mn1/3O2 by Acid Roasting - Water Leaching[J]. Mining and Metallurgical Engineering, 2026 , 46 (1) : 114 -119 . DOI: 10.3969/j.issn.0253-6099.2026.01.019
Appendix
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Year 2026 volume 46 Issue 1
77
18
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Article Info
doi: 10.3969/j.issn.0253-6099.2026.01.019
  • Receive Date：2025-08-25
  • Online Date：2026-10-08
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  • Received：2025-08-25
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Affiliations
    1.State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Lanzhou University of Technology, Lanzhou 730050, Gansu, China
    2.School of Science, Lanzhou University of Technology, Lanzhou 730050, Gansu, China
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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
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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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