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Preparation of battery-grade lithium carbonate by microbubble enhanced CO2 gas-liquid reactive crystallization

文献类型：期刊论文

作者Lu, Jijun1,2,3; Tian, Menghua1,2,3; Cao, Jianwei1,2; Liu, Junhao1,2,3; Guo, Jianwei1,2,3; Sun, Yiwei1,2,3; Pang, Sheng1,2,3; Qian, Guoyu1,2; Wang, Zhi1,2,3
刊名GREEN CHEMISTRY
出版日期2022-11-28
卷号24期号:23页码:9084-9093
ISSN号1463-9262
DOI10.1039/d2gc03375e
英文摘要Lithium carbonate (Li2CO3), as one of the most important basic lithium salts, has a high demand in the lithium ion battery industry, including the preparation of cathode materials, lithium metal, and electrolyte additives. However, the traditional preparation process of Li2CO3 is hampered by the introduction of Na+ metal impurity, and the particle size is too large to meet the requirements of battery-grade products. Here, we propose a gas-liquid reactive crystallization process for the one-step preparation of battery-grade Li2CO3 using CO2 instead of Na2CO3 as the precipitant. This strategy avoids the introduction of Na+ metal impurity and can also capture and convert CO2. Meanwhile, microbubbles were introduced into the system to enhance the mass transfer and regulate the crystallization process to efficiently prepare Li2CO3 products with the particle size meeting the requirements of the battery level. The kinetic parameters and crystallization mechanism of battery-grade Li2CO3 prepared by gas-liquid reactive crystallization were quantitatively analyzed through in situ tests and calculations. The feasibility of using the prepared battery-grade Li2CO3 as a raw material to synthesize an LiFePO4 cathode for lithium ion batteries was verified. The strategy provides a new route for the controllable preparation of battery-grade Li2CO3 and the conversion of CO2.
WOS关键词PRECIPITATION ; LIFEPO4
资助项目Key Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; [ZDRW_CN_2020-1] ; [51934006] ; [52074255]
WOS研究方向Chemistry ; Science & Technology - Other Topics
语种英语
出版者ROYAL SOC CHEMISTRY
WOS记录号WOS:000883080300001
资助机构Key Program of Chinese Academy of Sciences ; National Natural Science Foundation of China
源URL[http://ir.ipe.ac.cn/handle/122111/55648]  
专题中国科学院过程工程研究所
通讯作者Qian, Guoyu; Wang, Zhi
作者单位1.Chinese Acad Sci, Innovat Acad Green Manufacture, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Natl Engn Res Ctr Green Recycling Strateg Met Reso, CAS Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Lu, Jijun,Tian, Menghua,Cao, Jianwei,et al. Preparation of battery-grade lithium carbonate by microbubble enhanced CO2 gas-liquid reactive crystallization[J]. GREEN CHEMISTRY,2022,24(23):9084-9093.
APA Lu, Jijun.,Tian, Menghua.,Cao, Jianwei.,Liu, Junhao.,Guo, Jianwei.,...&Wang, Zhi.(2022).Preparation of battery-grade lithium carbonate by microbubble enhanced CO2 gas-liquid reactive crystallization.GREEN CHEMISTRY,24(23),9084-9093.
MLA Lu, Jijun,et al."Preparation of battery-grade lithium carbonate by microbubble enhanced CO2 gas-liquid reactive crystallization".GREEN CHEMISTRY 24.23(2022):9084-9093.

入库方式： OAI收割

来源：过程工程研究所

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