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Graphene Decorated by Indium Sulfide Nanoparticles as High-Performance Anode for Sodium-lon Batteries

Title
Graphene Decorated by Indium Sulfide Nanoparticles as High-Performance Anode for Sodium-lon Batteries
Author
선양국
Keywords
graphene; In2S3; nanocomposite; anode; SIBs
Issue Date
2017-06
Publisher
AMER CHEMICAL SOC
Citation
ACS APPLIED MATERIALS & INTERFACES, v. 9, no. 28, page. 23723-23730
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.
URI
https://pubs.acs.org/doi/10.1021/acsami.7b05057https://repository.hanyang.ac.kr/handle/20.500.11754/114409
ISSN
1944-8244; 1944-8252
DOI
10.1021/acsami.7b05057
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ENERGY ENGINEERING(에너지공학과) > Articles
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