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Pyrolysis characteristics of cathode from spent lithium-ion batteries using advanced TG-FTIR-GC/MS analysis
Yu, Shaoqi1; Xiong, Jingjing1; Wu, Daidai2; Lu, Xiaoshu3,4; Yao, Zhitong1; Xu, Shaodan1; Tang, Junhong1
2020-07-13
发表期刊ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
ISSN0944-1344
页码5
通讯作者Yao, Zhitong(sxyzt@126.com) ; Tang, Junhong(tangjunhong@hdu.edu.cn)
摘要Thermal treatment offers an alternative method for the separation of Al foil and cathode materials during spent lithium-ion batteries (LIBs) recycling. In this work, the pyrolysis behavior of cathode from spent LIBs was investigated using advanced thermogravimetric Fourier transformed infrared spectroscopy coupled with gas chromatography-mass spectrometer (TG-FTIR-GC/MS) method. The fate of fluorine present in spent batteries was probed as well. TG analysis showed that the cathode decomposition displayed a three-stage process. The temperatures of maximum mass loss rate were located at 470 degrees C and 599 degrees C, respectively. FTIR analysis revealed that the release of CO(2)increased as the temperature rose from 195 to 928 degrees C. However, the evolution of H2O showed a decreasing trend when the temperature increased to above 599 degrees C. The release of fluoride derivatives also exhibited a decreasing trend, and they were not detected after temperatures increasing to above 470 degrees C. GC-MS analysis indicated that the release of H2O and CO displayed a similar trend, with larger releasing intensity at the first two stages. The evolution of 1,4-difluorobenzene and 1,3,5-trifluorobenzene also displayed a similar trend-larger releasing intensity at the first two stages. However, the release of CO(2)showed a different trend, with the largest release intensity at the third stage, as did the release of 1,2,4-trifluorobenzene, with the release mainly focused at the temperature of 300-400 degrees C. The release intensities of 1,2,4-trifluorobenzene and 1,3,5-trifluorobenzene were comparable, although smaller than that of 1,4-difluorobenzene. This study will offer practical support for the large-scale recycling of spent LIBs.
关键词Electronic waste Lithium-ion batteries Cathode Pyrolysis Polyvinylidene fluoride binder
DOI10.1007/s11356-020-10108-4
关键词[WOS]POLY(VINYLIDENE FLUORIDE) ; THERMAL-STABILITY ; RECOVERY ; LICOO2 ; ACID ; CRYSTALLIZATION ; ENHANCEMENT ; STRATEGIES ; MANAGEMENT ; SEPARATION
收录类别SCI
语种英语
资助项目Zhejiang Provincial Natural Science Foundation of China[LY19B070008]
WOS研究方向Environmental Sciences & Ecology
项目资助者Zhejiang Provincial Natural Science Foundation of China
WOS类目Environmental Sciences
WOS记录号WOS:000548115400008
出版者SPRINGER HEIDELBERG
引用统计
被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/27406
专题中国科学院广州能源研究所
通讯作者Yao, Zhitong; Tang, Junhong
作者单位1.Hangzhou Dianzi Univ, Coll Mat & Environm Engn, Hangzhou 310018, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
3.Univ Vaasa, Dept Elect Engn & Energy Technol, FIN-65101 Vaasa, Finland
4.Aalto Univ, Dept Civil Engn, FIN-02130 Espoo, Finland
推荐引用方式
GB/T 7714
Yu, Shaoqi,Xiong, Jingjing,Wu, Daidai,et al. Pyrolysis characteristics of cathode from spent lithium-ion batteries using advanced TG-FTIR-GC/MS analysis[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2020:5.
APA Yu, Shaoqi.,Xiong, Jingjing.,Wu, Daidai.,Lu, Xiaoshu.,Yao, Zhitong.,...&Tang, Junhong.(2020).Pyrolysis characteristics of cathode from spent lithium-ion batteries using advanced TG-FTIR-GC/MS analysis.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,5.
MLA Yu, Shaoqi,et al."Pyrolysis characteristics of cathode from spent lithium-ion batteries using advanced TG-FTIR-GC/MS analysis".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2020):5.
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