Journal
MATERIALS LETTERS
Volume 213, Issue -, Pages 143-147Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2017.11.002
Keywords
Covalent organic frameworks; Carbon nanotubes; Core-shell; Composite materials; Energy storage and conversion
Funding
- National Natural Science Foundation of China [61774102, 81670958]
- Shanghai Pujiang Program [16PJD027]
- Interdisciplinary Program of Shanghai Jiao Tong University [YG2015MS23, YG2016MS71]
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A novel core-shell covalent organic frameworks/multi-walled carbon nanotubes nanocomposite (TpPaCOF@ MWCNTs) was prepared via growing the porous TpPa-COF on conductive multi-walled carbon nanotubes (MWCNTs) under a facile solvothermal condition. The resultant TpPa-COF@MWCNTs showed a high initial discharge capacity of 1242.2 mAh g(-1) at current density 0.05 C and an outstanding capacity retaining ability (an ultralow capacity fade rate of 0.099% per cycle for 450 cycles with coulombic efficiency over 99% at 0.5 C), excellent cycling stability and long cycle life for lithium-sulfur batteries. (C) 2017 Elsevier B.V. All rights reserved.
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