Facile synthesis of sesame-husk-like porous SnO2 nanocylinders as anodes for high-performance lithium-ion batteries

Peng Dai; Haibo Hu; Tongtong Jiang; Xinxin Yu; Zhiman Bai; Mingzai Wu

Facile synthesis of sesame-husk-like porous SnO₂ nanocylinders as anodes for high-performance lithium-ion batteries

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Author(s): Peng Dai¹ ; Haibo Hu¹ ; Tongtong Jiang¹ ; Xinxin Yu¹ ; Zhiman Bai¹ ; Mingzai Wu¹
- Affiliations: 1: School of Physics and Materials Science, Anhui University , Hefei 230601 , People's Republic of China
Source: Volume 14, Issue 2, 06 February 2019, p. 178 – 181
DOI: 10.1049/mnl.2018.5419 , Online ISSN 1750-0443

Received 22/07/2018, Accepted 12/10/2018, Revised 08/09/2018, Published 06/02/2019

Sesame-husk-like porous SnO₂ nanocylinders were synthesised by a refluxed technique followed calcination in air. Served as anode materials for lithium-ion batteries, porous SnO₂ nanocylinders showed a higher initial discharge capacity of 2411.3 mAh/g at 100 mA/g compared with non-porous SnO₂ nanocylinders (2043.6 mAh/g). Moreover, porous SnO₂ nanocylinders demonstrated better cyclability and rate capability in comparison with non-porous SnO₂ nanocylinders. For porous SnO₂ nanocylinders, a higher discharge capacity of 414.5 mAh/g after 50 cycles at a current density of 100 mA/g can be successfully delivered, and a higher reversible capacity of 248.3 mAh/g at 1000 mA/g current density after 100 cycles could be retained. The improved electrochemical performance is mainly ascribed to the unique porous nanostructures.

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Facile synthesis of sesame-husk-like porous SnO₂ nanocylinders as anodes for high-performance lithium-ion batteries

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