pH-regulative synthesis of Na-3(VPO4)2F(3) nanoflowers and their improved Na cycling stability

CORC > 过程工程研究所 > 中国科学院过程工程研究所 > 湿法冶金清洁生产技术国家工程实验室

	pH-regulative synthesis of Na-3(VPO4)2F(3) nanoflowers and their improved Na cycling stability
	Qi, Yuruo 1,2; Mu, Linqin 3; Zhao, Junmei 1; Hu, Yong-Sheng 2,3; Liu, Huizhou 1; Dai, Sheng 4
刊名	JOURNAL OF MATERIALS CHEMISTRY A
	2016
卷号	4 期号:19 页码:7178-7184
ISSN号	2050-7488
英文摘要	Na-ion batteries are becoming increasingly attractive as a low cost energy storage device. Sodium vanadium fluorophosphates have been studied extensively recently due to their high storage capacity and high discharge voltage. Shape and size often have a crucial influence over the properties. The controlling synthesis of nanoparticles with special microstructures is significant, which becomes a challenging issue and has drawn considerable attention. In this study, Na-3(VPO4)(2)F-3 nanoflowers have been synthesized via a pH-regulative low-temperature (120 degrees C) hydro-thermal route. In particular, it is a green route without any organic compounds involved. The hydro -thermal reaction time for the formation of Na-3(VPO4)(2)F-3 nanoflowers has also been investigated. A weak acid environment (pH = 2.60) with the possible presence of hydrogen fluoride molecules is necessary for the formation of the desired nanoflower microstructures. Compared to the nanoparticles obtained by Na2HPO4.12H(2)O, the as synthesized Na-3(VPO4)(2)F-3 nanoflowers showed an excellent Na-storage performance in terms of superior cycle stability, even without any further carbon coating or high-temperature treatment.
WOS标题词	Science & Technology ; Physical Sciences ; Technology
类目[WOS]	Chemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
研究领域[WOS]	Chemistry ; Energy & Fuels ; Materials Science
关键词[WOS]	SODIUM-ION BATTERIES ; CATHODE MATERIALS ; VANADIUM FLUOROPHOSPHATE ; LITHIUM-ION ; NA3V2(PO4)(2)F-3 CATHODE ; ENERGY-STORAGE ; NANOCRYSTALS ; PERFORMANCE ; PHASE ; NA3V2O2X(PO4)(2)F3-2X
收录类别	SCI
语种	英语
WOS记录号	WOS:000376035300011
内容类型	期刊论文
源URL	[http://ir.ipe.ac.cn/handle/122111/21074]
专题	过程工程研究所_湿法冶金清洁生产技术国家工程实验室
作者单位	1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China 4.Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA
推荐引用方式 GB/T 7714	Qi, Yuruo,Mu, Linqin,Zhao, Junmei,et al. pH-regulative synthesis of Na-3(VPO4)2F(3) nanoflowers and their improved Na cycling stability[J]. JOURNAL OF MATERIALS CHEMISTRY A,2016,4(19):7178-7184.
APA	Qi, Yuruo,Mu, Linqin,Zhao, Junmei,Hu, Yong-Sheng,Liu, Huizhou,&Dai, Sheng.(2016).pH-regulative synthesis of Na-3(VPO4)2F(3) nanoflowers and their improved Na cycling stability.JOURNAL OF MATERIALS CHEMISTRY A,4(19),7178-7184.
MLA	Qi, Yuruo,et al."pH-regulative synthesis of Na-3(VPO4)2F(3) nanoflowers and their improved Na cycling stability".JOURNAL OF MATERIALS CHEMISTRY A 4.19(2016):7178-7184.