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博士生赵晶晶,尹华意的论文在GREEN CHEMISTRY刊出
发布时间:2022-09-02 15:40:13     发布者:易真     浏览次数:

标题: Cathode electrolysis for the comprehensive recycling of spent lithium-ion batteries

作者: Zhao, JJ (Zhao, Jingjing); Qu, JK (Qu, Jiakang); Qu, X (Qu, Xin); Gao, SB (Gao, Shuaibo); Wang, DH (Wang, Dihua); Yin, HY (Yin, Huayi)

来源出版物: GREEN CHEMISTRY : 24 : 16 : 6179-6188 DOI: 10.1039/d2gc02118h 提前访问日期: JUL 2022 出版年: AUG 15 2022

摘要: Clean lithium-ion battery recycling is indispensable to make the battery market sustainable. Here, we develop an electrochemical approach to separate the cathode film (6 cm x 20 cm) from the Al substrate and simultaneously leach Li and transition metals from the cathode film in 0.5 M H2SO4, leaving behind the conductive carbon and polyvinylidene fluoride binder that are reusable. For LiCoO2 batteries, LiCoO2 was converted to soluble Li+ and Co2+ with a leaching efficiency of over 97%. Besides, the cathode electrolysis is applicable to treat LiMn2O4 and LiNi0.5Co0.2Mn0.3O2. Overall, the cathode electrolysis employs electrons as both reducing agents and exfoliation force, offering a promising pathway to comprehensively reclaim all components from spent cathodes with limited secondary wastes and energy consumption.

地址: [Zhao, Jingjing; Qu, Jiakang; Qu, Xin; Gao, Shuaibo; Wang, Dihua; Yin, Huayi] Wuhan Univ, Sch Resource & Environm Sci, Wuhan 430072, Peoples R China.

[Wang, Dihua; Yin, Huayi] Joint Ctr Green Mfg Energy Storage Mat Wuhan Univ, Wuhan 430072, Peoples R China.

[Wang, Dihua; Yin, Huayi] Wuhan Univ, Int Cooperat Base Sustainable Utilizat Resources, Wuhan 430072, Peoples R China.

通讯作者地址: Yin, HY (通讯作者)Wuhan Univ, Sch Resource & Environm Sci, Wuhan 430072, Peoples R China.

Yin, HY (通讯作者)Joint Ctr Green Mfg Energy Storage Mat Wuhan Univ, Wuhan 430072, Peoples R China.

Yin, HY (通讯作者)Wuhan Univ, Int Cooperat Base Sustainable Utilizat Resources, Wuhan 430072, Peoples R China.

电子邮件地址: yinhuayi@whu.edu.cn

影响因子:11.034

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