Issue 11, 2019

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

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

Supplementary files

Article information

Article type
Communication
Submitted
21 Dec 2018
Accepted
10 Jan 2019
First published
10 Jan 2019

Chem. Commun., 2019,55, 1655-1658

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, 55, 1655 DOI: 10.1039/C8CC10105A

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