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Nanomaterials 2019, 9(4), 560; https://doi.org/10.3390/nano9040560

Sb2S3@PPy Coaxial Nanorods: A Versatile and Robust Host Material for Reversible Storage of Alkali Metal Ions

1,†, 2,†, 1, 1, 3 and 4,*
1
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
2
Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230000, China
3
School of Materials Science and Engineering, Shandong University, 17923 Jingshi Road, Jinan 250061, China
4
Department of Physics, School of Science, Wuhan University of Technology, Wuhan 430070, China
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Received: 4 March 2019 / Revised: 28 March 2019 / Accepted: 2 April 2019 / Published: 6 April 2019
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Abstract

Chalcogenides have attracted great attention as functional materials in optics, electronics, and energy-related applications due to their typical semiconductor properties. Among those chalcogenides, Sb2S3 holds great promise in energy storage field, especially as an anode material for alkali metal (Li, Na, and K) batteries. In this work, a one-dimensional coaxial Sb2S3@PPy is investigated as a versatile and robust anode in three kinds of alkali metal batteries for the first time, and the energy storage mechanism of these batteries is systematically discussed. As an anode material for sodium ion batteries (SIBs) and potassium ion batteries (KIBs), Sb2S3@PPy exhibits high reversible capacity and impressive cycle lifespan. Sb2S3@PPy anode demonstrates an adsorption behavior that has a significant influence on its sodium storage behavior, providing a universal model for studying the application of chalcogenide compounds. View Full-Text
Keywords: chalcogenide; one-dimensional nanomaterials; Sb2S3@PPy; alkali metal ions batteries; anode; energy storage mechanism chalcogenide; one-dimensional nanomaterials; Sb2S3@PPy; alkali metal ions batteries; anode; energy storage mechanism
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Shi, Y.; Li, F.; Zhang, Y.; He, L.; Ai, Q.; Luo, W. Sb2S3@PPy Coaxial Nanorods: A Versatile and Robust Host Material for Reversible Storage of Alkali Metal Ions. Nanomaterials 2019, 9, 560.

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