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Sulfur covalently bonded to porous graphitic carbon as an anode material for lithium-ion capacitors with high energy storage performance

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Abstract

Sulfur covalently bonded to porous graphitic carbon (CB–S@PGC) as an anode for lithium-ion capacitors is shown to offer an ultrawide operating potential window of 4 V. When coupled with activated carbon as a cathode, the CB–S@PGC electrode exhibits a markedly high specific capacitance (412 F g−1 at 0.2 A g−1) and superiorly high capacity retention. And CB–S@PGC//lithium cobalt oxide cells exhibit high power and energy densities (e.g., a power density of 1665 W kg−1 is obtained at an energy density of 411 W h kg−1).

Graphical abstract: Sulfur covalently bonded to porous graphitic carbon as an anode material for lithium-ion capacitors with high energy storage performance

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Publication details

The article was received on 25 Aug 2019, accepted on 15 Nov 2019 and first published on 15 Nov 2019


Article type: Communication
DOI: 10.1039/C9TA09347H
J. Mater. Chem. A, 2020, Advance Article

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    Sulfur covalently bonded to porous graphitic carbon as an anode material for lithium-ion capacitors with high energy storage performance

    Y. Sun, J. Ma, X. Yang, L. Wen, W. Zhou and J. Geng, J. Mater. Chem. A, 2020, Advance Article , DOI: 10.1039/C9TA09347H

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