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Continuous fast pyrolysis synthesis of TiO₂/C nanohybrid lithium-ion battery anode

Wang, Xiaoyan; Funke, Axel; Cheng, Ya-Jun; Song, Fang; Yin, Shanshan; Liang, Suzhe; Zuo, Xiuxia; Gao, Jie; Müller-Buschbaum, Peter; Xia, Yonggao


Continuous fast pyrolysis is developed for in situ synthesis of ultra-small metal oxide nanoparticles embedded into three-dimensional macroporous carbon matrix as demonstrated by the TiO2/carbon nanohybrid. The TiO2 nanoparticles with the average size of 4.6 nm ± 0.6 nm are uniformly distributed in the in situ generated macroporous carbon matrix. When evaluated as an anode in a lithium-ion battery, the macroporous TiO2/C nanohybrid exhibits a reversible capacity of 483 mAh g–1 after 500 cycles at a current density of 67 mA g–1, which is 3.6 times higher than that of the TiO2/C calcined in a conventional batchwise way. Besides, the capacity retains 93 mAh g–1 at a high current density of 670 mA g–1. It reveals that the continuous fast pyrolysis is an efficient method to fabricate carbon composition based metal oxides as lithium-ion battery anode materials.

DOI: 10.1002/nano.202100015
Zitationen: 1
Zugehörige Institution(en) am KIT Institut für Katalyseforschung und -technologie (IKFT)
Publikationstyp Zeitschriftenaufsatz
Publikationsmonat/-jahr 09.2021
Sprache Englisch
Identifikator ISSN: 2688-4011, 2688-4011
KITopen-ID: 1000141790
HGF-Programm 38.05.01 (POF IV, LK 01) Anthropogenic Carbon Cycle
Erschienen in Nano select
Verlag Wiley-VCH Verlag
Band 2
Heft 9
Seiten 1770–1778
Vorab online veröffentlicht am 01.03.2021
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