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The Electrochemical Society, ECS Electrochemistry Letters, 2(4), p. A19-A21, 2014

DOI: 10.1149/2.0011502eel

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Sulfur-Nickel Foam as Cathode Materials for Lithium-Sulfur Batteries

Journal article published in 2014 by J. J. Cheng, J. T. Zhu, Y. Pan, Z. S. Ma, H. J. Song, J. A. Pan, Z. Z. Li, C. Lu ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Sulfur-nickel foam cathode materials prepared by an in situ solution-based method were served as electrode of lithium-sulfur (Li-S) batteries. At the rate of 0.5 C, the Li-S cells deliver an initial discharge capacity of 1340 mAh g-1 and 493 mAh g-1 after 500 cycles. It is shown that these Li-S cells are of high rate stabilities with a nearly 100% stable coulombic efficiency at various rates from 0.1 C to 5 C. The electrochemical stability of Li-S batteries is mainly due to the strong binding between the highly dispersed sulfur and nickel foam skeletons.