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Unveiling two-dimensional TiS2 as insertion host for constructing high energy Li-ion capacitors

Abstract

We first report the possibility of using a TiS2 as the insertion for the fabrication of high energy and high power Li-ion capacitor with commercial activated carbon (AC). First, Li-insertion and PF6– adsorption/desorption properties with Li for TiS2 and AC electrodes, respectively. This study certainly useful to balance the mass loading between the electrodes to realize maximum energy. Under the balanced loading, the AC/TiS2 based LIC delivered a maximum energy density of ~49 Wh kg–1. Upon long-term cycling, the AC/TiS2 based LIC experiencing a marginal fade, for example, ~76% initial value is retained after 2000 cycles. Prior to this, nearly 100% crystalline TiS2 insertion host has been prepared by chemical vapor transport with high yield.

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Publication details

The article was received on 21 Feb 2017, accepted on 11 Apr 2017 and first published on 12 Apr 2017


Article type: Paper
DOI: 10.1039/C7TA01594A
Citation: J. Mater. Chem. A, 2017, Accepted Manuscript
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    Unveiling two-dimensional TiS2 as insertion host for constructing high energy Li-ion capacitors

    V. Aravindan, M. Srinivasan, C. Kloc, A. Chaturvedi and P. Hu, J. Mater. Chem. A, 2017, Accepted Manuscript , DOI: 10.1039/C7TA01594A

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