Facile Synthesis of Tremella-Like Li3V2(PO4)3/C Composite Cathode Materials Based on Oroxylum for Use in Lithium-Ion Batteries

被引：0
|
作者：
Liu, Zhen [1 ]
Zhou, Wei [1 ]
Zeng, Guilin [1 ]
Zhang, Yuling [1 ]
Wu, Zebin [1 ]
Chen, Han [1 ]
机构：
[1] Hunan Univ Technol, Coll Met & Mat Engn, Zhuzhou 412008, Peoples R China
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2020年 / 20卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Li3V2(PO4)(3)/C; Lithium-Ion Batteries; Oroxylum; Cathode; Immersion; HIGH-RATE PERFORMANCE; TIO2; NANOTUBES; ANODE MATERIAL; CARBON; FABRICATION;
D O I：
10.1166/jnn.2020.17361
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Oroxylum as a traditional Chinese medicine, was used as a green and novel bio-template to synthesize tremella-like Li3V2(PO4)(3)/C composite (LVPC) cathode materials by adopting a facile immersion method. The microstructures were analyzed by X-ray diffraction analysis, scanning electron microscopy, and transmission electron microscopy. The electrochemical properties were investigated by galvanostatic charge-discharge experiments. The LVPC revealed specific capacity of 95 mAh center dot g(-1) at 1 C rate within potential range of 3.0-4.3 V. After 100 cycles at 0.2 C, the retention of discharge capacity was 96%. The modified electrochemical performance is mainly resulted from the distinct tremella-like structure.
引用
收藏
页码：1962 / 1967
页数：6
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