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An ultrathin surface-nitrided porous titanium sheet as a current collector-free sulfur host for high-gravimetric-capacity lithium–sulfur batteries

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Abstract

A novel cathode structure consisting of ultrathin and freestanding surface-nitrided porous titanium (SNPT) sheets, was designed for high-gravimetric-capacity Li–S batteries. This unusual cathode combines the sulfur host and the current collector together, increasing the sulfur mass ratio by over 20% compared with routine cathodes, resulting in excellent cycling performance with an initial capacity of 1325 mA h g−1 and a coulombic efficiency of over 99% at 1.0C.

Graphical abstract: An ultrathin surface-nitrided porous titanium sheet as a current collector-free sulfur host for high-gravimetric-capacity lithium–sulfur batteries

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Publication details

The article was received on 21 Dec 2018, accepted on 10 Jan 2019 and first published on 10 Jan 2019


Article type: Communication
DOI: 10.1039/C8CC10105A
Citation: Chem. Commun., 2019, Advance Article
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    An ultrathin surface-nitrided porous titanium sheet as a current collector-free sulfur host for high-gravimetric-capacity lithium–sulfur batteries

    H. Zhao, P. Yang, M. Du, W. He, M. Liu, W. Yan, L. Zhou, J. Liu, Z. Gu and Z. Zou, Chem. Commun., 2019, Advance Article , DOI: 10.1039/C8CC10105A

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