Pyro-synthesis of Na2FeP2O7 Nano-plates as Cathode for Sodium-ion Batteries with Long Cycle Stability

被引：11

作者：

Song, Jinju ^{[1
]}

Yang, Juhyun ^{[1
]}

Alfaruqi, Muhammad Hilmy ^{[1
]}

Park, Wangeun ^{[1
]}

Park, Sohyun ^{[1
]}

Kim, Sungjin ^{[1
]}

Jo, Jeonggeun ^{[1
]}

Kim, Jaekook ^{[1
]}

机构：

[1] Chonnam Natl Univ, Dept Mat Sci & Engn, Gwangju 61186, South Korea

来源：

JOURNAL OF THE KOREAN CERAMIC SOCIETY | 2016年 / 53卷 / 04期

基金：

新加坡国家研究基金会;

关键词：

Pyro-synthesis; Sodium iron pyrophosphate; Sodium ion batteries;

D O I：

10.4191/kcers.2016.53.4.406

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Carbon-coated sodium iron pyrophosphate (Na2FeP2O7) was prepared by a simple and low-cost pyro-synthesis route for further use as the cathode for Na-ion batteries. The X-ray diffraction (XRD) pattern of the sample annealed at 650 degrees C confirmed the pure triclinic phase of Na2FeP2O7. Electron microscopy studies revealed a cross linked plate shape morphology of the Na2FeP2O7 sample. When tested for application in Na-ion battery, the Na2FeP2O7 cathode showed two redox pairs in the potential window of 2.0-4.0 V. The cathode registered initial discharge and charge capacities of 80.85 and 90 mAh/g, respectively, with good cycling performance.

引用

页码：406 / 410

页数：5

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