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Title:
NASICON-Structured NaSn2(PO4)(3) with Excellent High-Rate Properties as Anode Material for Lithium Ion Batteries
Author: Hu, Pu1,2; Ma, Jun1; Wang, Tianshi1; Qin, Bingsheng1; Zhang, Chuanjian1; Shang, Chaoqun1,2; Zhao, Jianghui1; Cui GuangLei(崔光磊)1
Source: CHEMISTRY OF MATERIALS
Issued Date: 2015-10-13
Volume: 27, Issue:19, Pages:6668-6674
DOI: 10.1021/acs.chemmater.5b02471
DOC Type: Article
English Abstract: Advanced Li-ion batteries with high rate properties are in high demand and have generated much attention in the research community. Here, we present a simple sol-gel and solid-state reaction to synthesize NASICON-structured NaSn2(PO4)(3) as anode material for lithium-ion batteries. The obtained material exhibits excellent cycling performance and high rate capacity for half cell and LiFePO4/NaSn2(PO4)(3) full cell. Cyclic voltammograms (CV) and galvanostatic intermittent titration technique (GITT) were used to analyze the kinetics and thermodynamics of the electrode. Morphology and structure evolution of the NaSn2(PO4)(3) electrode after cycling were explored by transmission electron microscopy (TEM). These results showed nanoscale Sn was uniformly dispersed in the lithium phosphate matrix during the first discharge. It is proposed that the enhanced properties are attributed to the "in situ" formation of the ionic conductor as protective matrices, which prevents the aggregation of nanoparticles during the cycling and provides Li+ diffusion channels in the electrode for fast electrochemical reaction.
WOS Headings: Science & Technology ; Physical Sciences ; Technology
WOS Subject: Chemistry, Physical ; Materials Science, Multidisciplinary
WOS Subject Extended: Chemistry ; Materials Science
WOS Keyword Plus: ONE-POT SYNTHESIS ; ELECTROCHEMICAL PERFORMANCE ; SECONDARY BATTERIES ; SNO2 NANOPARTICLES ; STORAGE PROPERTIES ; HOLLOW CARBON ; CAPACITY ; NANOCOMPOSITES ; NANOMATERIALS ; ELECTRODES
Indexed Type: SCI
Language: 英语
WOS ID: WOS:000362920700025
Citation statistics:
Content Type: 期刊论文
URI: http://ir.qibebt.ac.cn/handle/337004/6695
Appears in Collections:仿生能源与储能系统团队_期刊论文

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description.institution: 1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao Ind Energy Storage Res Inst, Qingdao 266101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Hu, Pu,Ma, Jun,Wang, Tianshi,et al. NASICON-Structured NaSn2(PO4)(3) with Excellent High-Rate Properties as Anode Material for Lithium Ion Batteries[J]. CHEMISTRY OF MATERIALS,2015,27(19):6668-6674.
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