Graphene Decorated by Indium Sulfide Nanoparticles as High-Performance Anode for Sodium-Ion Batteries
- Authors
- Wang, Xia; Hwang, Jang Yeon; Myung, Seung-Taek; Hassoun, Jusef; Sun, Yang-Kook
- Issue Date
- Jul-2017
- Publisher
- AMER CHEMICAL SOC
- Keywords
- graphene; In2S3; nanocomposite; anode; SIBs
- Citation
- ACS APPLIED MATERIALS & INTERFACES, v.9, no.28, pp.23723 - 23730
- Indexed
- SCIE
SCOPUS
- Journal Title
- ACS APPLIED MATERIALS & INTERFACES
- Volume
- 9
- Number
- 28
- Start Page
- 23723
- End Page
- 23730
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/4777
- DOI
- 10.1021/acsami.7b05057
- ISSN
- 1944-8244
- Abstract
- We report a highly performing anode material for sodium-ion batteries (SIBs) composed of graphene decorated by indium sulfide (In2S3). The composite is synthesized by a facile hydrothermal pathway with subsequent annealing and is characterized by defined structure and well-tailored morphology, as is indeed demonstrated by X-ray diffraction and spectroscopy as well as high-resolution microscopy. These optimal characteristics allow the electrode to perform remarkably in sodium cell by achieving a maximum specific capacity as high as 620 mAh g–1 and the still-relevant value of 335 mAh g–1 at an extremely high current (i.e., 5 A g–1). The high storage capacity, the long cycle life, and the impressive rate capability of the composite may be attributed to the synergetic effect between uniform In2S3 nanoparticles and the graphene matrix. These features suggest that the In2S3–graphene is a viable choice for application as an anode material in high-performance SIBs.
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