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From nanomelting to nanobeads: nanostructured SbxBi1-x alloys anchored in three-dimensional carbon frameworks as a high-performance anode for potassium-ion batteries
He, Xiao-Dong; Liao, Jia-Ying; Wang, Shuo; Wang, Jun-Ru; Liu, Ze-Hua; Ding, Xiang; Hu, Qiao; Wen, Zhao-Yin; Chen, Chun-Hua
2019-12-21
Source PublicationJOURNAL OF MATERIALS CHEMISTRY A
ISSN2050-7488
Volume7Issue:47Pages:27041
SubtypeArticle
AbstractPotassium-ion batteries (KIBs) are considered a favorable candidate for large-scale electric energy storage system applications owing to the abundance and low-cost of potassium resources. Herein, a series of three-dimensional pomegranate-like SbxBi1-x@C composites are fabricated by a modified Pechini sol-gel method. As an anode for KIBs, the Sb0.5Bi0.5@C composite exhibits the optimal performance (382 mA h g(-1) at 0.05 A g(-1)). More importantly, the synergistic effects in the binary alloy bring a promising long-term cycle life (83% capacity retention after 400 cycles) for Sb0.5Bi0.5@C. The ex situ X-ray diffraction results reveal the K storage mechanism of this material, which is Sb0.5Bi0.5 <-> KSb0.5Bi0.5 <-> K3Sb0.5Bi0.5 during discharge and charge processes. In addition, a full cell constructed by coupling Sb0.5Bi0.5@C with a Prussian blue cathode delivers outstanding electrochemical performance.
DOI10.1039/c9ta10755j
WOS KeywordLONG CYCLE LIFE ; INTERCALATION ; NANOCOMPOSITE ; COMPOSITE
Language英语
WOS Research AreaChemistry ; Energy & Fuels ; Materials Science
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27442
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
He, Xiao-Dong,Liao, Jia-Ying,Wang, Shuo,et al. From nanomelting to nanobeads: nanostructured SbxBi1-x alloys anchored in three-dimensional carbon frameworks as a high-performance anode for potassium-ion batteries[J]. JOURNAL OF MATERIALS CHEMISTRY A,2019,7(47):27041.
APA He, Xiao-Dong.,Liao, Jia-Ying.,Wang, Shuo.,Wang, Jun-Ru.,Liu, Ze-Hua.,...&Chen, Chun-Hua.(2019).From nanomelting to nanobeads: nanostructured SbxBi1-x alloys anchored in three-dimensional carbon frameworks as a high-performance anode for potassium-ion batteries.JOURNAL OF MATERIALS CHEMISTRY A,7(47),27041.
MLA He, Xiao-Dong,et al."From nanomelting to nanobeads: nanostructured SbxBi1-x alloys anchored in three-dimensional carbon frameworks as a high-performance anode for potassium-ion batteries".JOURNAL OF MATERIALS CHEMISTRY A 7.47(2019):27041.
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