标题: Recovery of valuable metals from spent lithium-ion batteries through biomass pyrolysis gas-induced reduction
作者: Zhou, FY (Zhou, Fengyin); Li, XY (Li, Xiangyun); Wang, SY (Wang, Shiyu); Qu, X (Qu, Xin); Zhao, JJ (Zhao, Jingjing); Wang, DH (Wang, Dihua); Chen, ZL (Chen, Zhiliang); Yin, HY (Yin, Huayi)
来源出版物: JOURNAL OF HAZARDOUS MATERIALS 卷: 459 文献号: 132150 DOI: 10.1016/j.jhazmat.2023.132150 出版年: OCT 5 2023
摘要: The development of spent lithium-ion batteries (LIBs) recycling technologies can effectively alleviate environ-mental pressure and conserve metal resources. We propose a win-win strategy for pyrolysis gas reduction by lignocellulosic biomass, ensuring gas-induced reduction by spatial isolation of biomass and lithium transition metal oxides (LiTMOX (TM = Ni, Co, Mn)), and avoiding the separation of solid carbon and TMOX (TM = Ni, Co, Mn). In the spent LiCoO2 batteries, the lithium recovery efficiency reaches 99.99% and purity reaches 98.3% at 500 degrees C. In addition, biomass pyrolysis gas reduction is also applicable to treat spent LiMn2O4 and LiNi0.6-Co0.2Mn0.2O2 batteries. Thermodynamic analysis verifies that CO dominates the gas reduction recovery process. DFT calculation indicates that the gas reduction induces the collapse of the oxygen framework of LiTMOX (TM = Ni, Co, Mn). Everbatt-based economic and environmental analysis illustrates that this is an environment-friendly and energy-saving method.
作者关键词: Spent lithium-ion battery; Waste Biomass; Pyrolysis gas reduction
KeyWords Plus: CARBOTHERMIC REDUCTION; COO; LI; LIMNO2
地址: [Zhou, Fengyin; Li, Xiangyun; Qu, Xin; Zhao, Jingjing; Wang, Dihua; Yin, Huayi] Wuhan Univ, Sch Resource & Environm Sci, 299 Bayi Rd, Wuhan 430072, Peoples R China.
[Wang, Dihua; Yin, Huayi] Wuhan Univ, Joint Ctr Green Mfg Energy Storage Mat, Wuhan 430072, Peoples R China.
[Wang, Dihua; Yin, Huayi] Chilwee, Wuhan 430072, Peoples R China.
[Wang, Dihua; Chen, Zhiliang; Yin, Huayi] Hubei Int Sci & Technol Cooperat Base Sustainable, Wuhan 430072, Peoples R China.
[Chen, Zhiliang] Jiangmen Publ Util Grp, Jiangmen 529200, Peoples R China.
通讯作者地址: Yin, HY (通讯作者),Wuhan Univ, Sch Resource & Environm Sci, 299 Bayi Rd, Wuhan 430072, Peoples R China.
电子邮件地址: yinhuayi@whu.edu.cn
影响因子:13.6
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