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Micro-Spherical Sulfur/Graphene Oxide Composite via Spray Drying for High Performance Lithium Sulfur Batteries

An efficient, industry-accepted spray drying method was used to synthesize micro-spherical sulfur/graphene oxide (S/GO) composites as cathode materials within lithium sulfur batteries. The as-designed wrapping of the sulfur-nanoparticles, with wrinkled GO composites, was characterized by scanning el...

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Detalles Bibliográficos
Autores principales: Tian, Yuan, Sun, Zhenghao, Zhang, Yongguang, Wang, Xin, Bakenov, Zhumabay, Yin, Fuxing
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5791137/
https://www.ncbi.nlm.nih.gov/pubmed/29346303
http://dx.doi.org/10.3390/nano8010050
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author Tian, Yuan
Sun, Zhenghao
Zhang, Yongguang
Wang, Xin
Bakenov, Zhumabay
Yin, Fuxing
author_facet Tian, Yuan
Sun, Zhenghao
Zhang, Yongguang
Wang, Xin
Bakenov, Zhumabay
Yin, Fuxing
author_sort Tian, Yuan
collection PubMed
description An efficient, industry-accepted spray drying method was used to synthesize micro-spherical sulfur/graphene oxide (S/GO) composites as cathode materials within lithium sulfur batteries. The as-designed wrapping of the sulfur-nanoparticles, with wrinkled GO composites, was characterized by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The unique morphological design of this material enabled superior discharge capacity and cycling performance, demonstrating a high initial discharge capacity of 1400 mAh g(−1) at 0.1 C. The discharge capacity remained at 828 mAh g(−1) after 150 cycles. The superior electrochemical performance indicates that the S/GO composite improves electrical conductivity and alleviates the shuttle effect. This study represents the first time such a facile spray drying method has been adopted for lithium sulfur batteries and used in the fabrication of S/GO composites.
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spelling pubmed-57911372018-02-05 Micro-Spherical Sulfur/Graphene Oxide Composite via Spray Drying for High Performance Lithium Sulfur Batteries Tian, Yuan Sun, Zhenghao Zhang, Yongguang Wang, Xin Bakenov, Zhumabay Yin, Fuxing Nanomaterials (Basel) Article An efficient, industry-accepted spray drying method was used to synthesize micro-spherical sulfur/graphene oxide (S/GO) composites as cathode materials within lithium sulfur batteries. The as-designed wrapping of the sulfur-nanoparticles, with wrinkled GO composites, was characterized by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The unique morphological design of this material enabled superior discharge capacity and cycling performance, demonstrating a high initial discharge capacity of 1400 mAh g(−1) at 0.1 C. The discharge capacity remained at 828 mAh g(−1) after 150 cycles. The superior electrochemical performance indicates that the S/GO composite improves electrical conductivity and alleviates the shuttle effect. This study represents the first time such a facile spray drying method has been adopted for lithium sulfur batteries and used in the fabrication of S/GO composites. MDPI 2018-01-18 /pmc/articles/PMC5791137/ /pubmed/29346303 http://dx.doi.org/10.3390/nano8010050 Text en © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Tian, Yuan
Sun, Zhenghao
Zhang, Yongguang
Wang, Xin
Bakenov, Zhumabay
Yin, Fuxing
Micro-Spherical Sulfur/Graphene Oxide Composite via Spray Drying for High Performance Lithium Sulfur Batteries
title Micro-Spherical Sulfur/Graphene Oxide Composite via Spray Drying for High Performance Lithium Sulfur Batteries
title_full Micro-Spherical Sulfur/Graphene Oxide Composite via Spray Drying for High Performance Lithium Sulfur Batteries
title_fullStr Micro-Spherical Sulfur/Graphene Oxide Composite via Spray Drying for High Performance Lithium Sulfur Batteries
title_full_unstemmed Micro-Spherical Sulfur/Graphene Oxide Composite via Spray Drying for High Performance Lithium Sulfur Batteries
title_short Micro-Spherical Sulfur/Graphene Oxide Composite via Spray Drying for High Performance Lithium Sulfur Batteries
title_sort micro-spherical sulfur/graphene oxide composite via spray drying for high performance lithium sulfur batteries
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5791137/
https://www.ncbi.nlm.nih.gov/pubmed/29346303
http://dx.doi.org/10.3390/nano8010050
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