CAS OpenIR
Designed synthesis of ultrafine NiO nanocrystals bonded on a three dimensional graphene framework for high-capacity lithium-ion batteries
Chen, JY; Wu, XF; Tan, QQ; Chen, YF; Chen, Jiayuan; Wu, Xiaofeng; Tan, Qiangqiang; Chen, Yunfa
2018
Source PublicationNEW JOURNAL OF CHEMISTRY
ISSN1144-0546
Volume42Issue:12Pages:9901
Abstract

The rational design and controllable synthesis of novel nanostructured metal oxide/graphene hybrid materials have attracted extensive attention for next-generation lithium ion batteries (LIBs). In this work, three dimensional (3D) graphene framework bonding ultrafine NiO nanocrystals are fabricated in situ through hydrothermal treatment and a subsequent thermal annealing strategy. During the material design process, the 2D bark-like Ni precursor which duplicated the morphology of GO was formed firstly by adjusting the amount of the structure-directing agent. Meanwhile, the 3D interconnected framework of graphene can be obtained via - interaction. Subsequently, thermal treatment was performed to transform the Ni precursors into NiO nanocrystals with an average particle size of 6.38 nm. The chemical bonding between the NiO nanocrystals and the graphene framework was confirmed by Raman and XPS analysis. Benefiting from the unique architecture, the hybrid anode material exhibits an ultrahigh reversible capacity of 1104 mA h g(-1) at a rate of 0.2C after 250 successive cycles, and an outstanding rate capability (440 mA h g(-1) at 3.0C). Moreover, superior capacity retention is also demonstrated.

KeywordNitrogen-doped Graphene Anode Materials Storage Capability Energy-storage Graphite Oxide Performance Hybrid Nanosheets Co3o4 Nanoparticles
SubtypeArticle
DOI10.1039/c8nj01330f
WOS IDWOS:000435298100061
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/26787
Collection中国科学院过程工程研究所
Recommended Citation
GB/T 7714
Chen, JY,Wu, XF,Tan, QQ,et al. Designed synthesis of ultrafine NiO nanocrystals bonded on a three dimensional graphene framework for high-capacity lithium-ion batteries[J]. NEW JOURNAL OF CHEMISTRY,2018,42(12):9901.
APA Chen, JY.,Wu, XF.,Tan, QQ.,Chen, YF.,Chen, Jiayuan.,...&Chen, Yunfa.(2018).Designed synthesis of ultrafine NiO nanocrystals bonded on a three dimensional graphene framework for high-capacity lithium-ion batteries.NEW JOURNAL OF CHEMISTRY,42(12),9901.
MLA Chen, JY,et al."Designed synthesis of ultrafine NiO nanocrystals bonded on a three dimensional graphene framework for high-capacity lithium-ion batteries".NEW JOURNAL OF CHEMISTRY 42.12(2018):9901.
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