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Functionalized fullerenes for highly efficient lithium ion storage: Structure-property-performance correlation with energy implications
Shan, Changsheng1; Yen, Hung-Ju1; Wu, Kaifeng2; Lin, Qianglu1; Zhou, Ming3; Guo, Xiaofeng4; Wu, Di5; Zhang, Hanguang6; Wu, Gang6; Wang, Hsing-Lin1,7
关键词Fullerene Functionalization Anode Material Lithium Ion Battery Energy Storage
刊名NANO ENERGY
2017-10-01
DOI10.1016/j.nanoen.2017.08.033
40页:327-335
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
关键词[WOS]ANODE MATERIALS ; ELECTROCHEMICAL PERFORMANCE ; NANOCOMPOSITE ANODES ; ELECTRODE MATERIALS ; GRAPHENE SHEETS ; RATE CAPABILITY ; BATTERY ANODES ; EMERALD GREEN ; SOLAR-CELLS ; CARBON
英文摘要Here, we report that spherical C-60 derivatives with well-defined molecular structures hold great promise to be advanced anode materials for lithium-ion batteries (LIBs). We studied four C-60 molecules with various functional groups, including pristine, carboxyl, ester, and piperazine C-60. The comparison of these C(60)s elucidated a strong correlation between functional group, overall packing (crystallinity), and the anode performance in LIBs. Specifically, carboxyl C-60 and neutral ester C-60 showed higher charge capacities than pristine C-60, whereas positively-charged piperazine C-60 exhibited lower capacity. The highest charge capacity was achieved on the carboxyl C-60 (861 mAh g(-1) at 100th cycle), which is five times higher than that of pristine C-60 (170 mAh g(-1)), more than double the theoretical capacity of commercial graphite (372 mAh g(-1)), and even higher than the theoretical capacity of graphene (744 mAh g(-1)). Carboxyl C-60 also showed a high capacity at a fast dischargecharge rate (370 mAh g(-1) at 5 degrees C). The exceptional performance of carboxyl C-60 can be attributed to multiple key factors. They include the complex formation between lithium ions and oxygen atoms on the carboxyl group, the improved lithium-binding capability of C-60 cage due to electron donating from carboxylate groups, the electrostatic attraction between carboxylate groups and lithium ions, and the large lattice void space and high specific area due to carboxyl functionalization. This study indicates that, while maintaining the basic C-60 electronic and geometric properties, functionalization with desired groups can achieve remarkably enhanced capacity and rate performance for lithium storage.
语种英语
WOS记录号WOS:000411687800037
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/150100
专题中国科学院大连化学物理研究所
作者单位1.Los Alamos Natl Lab, Phys Chem & Appl Spect Chem Div, Los Alamos, NM 87545 USA
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
3.Northeast Normal Univ, Dept Chem, Changchun 130024, Jilin, Peoples R China
4.Los Alamos Natl Lab, Earth & Environm Sci Div, Los Alamos, NM 87545 USA
5.Washington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Pullman, WA 99163 USA
6.SUNY Buffalo, Dept Chem & Biol Engn, Buffalo, NY 14260 USA
7.Southern Univ Sci & Technol, Dept Mat Sci & Engn, Shenzhen 518055, Guangdong, Peoples R China
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Shan, Changsheng,Yen, Hung-Ju,Wu, Kaifeng,et al. Functionalized fullerenes for highly efficient lithium ion storage: Structure-property-performance correlation with energy implications[J]. NANO ENERGY,2017,40:327-335.
APA Shan, Changsheng.,Yen, Hung-Ju.,Wu, Kaifeng.,Lin, Qianglu.,Zhou, Ming.,...&Wang, Hsing-Lin.(2017).Functionalized fullerenes for highly efficient lithium ion storage: Structure-property-performance correlation with energy implications.NANO ENERGY,40,327-335.
MLA Shan, Changsheng,et al."Functionalized fullerenes for highly efficient lithium ion storage: Structure-property-performance correlation with energy implications".NANO ENERGY 40(2017):327-335.
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