热重分析
电化学
锂(药物)
循环伏安法
电解质
材料科学
电池(电)
电极
锂电池
锂离子电池
阴极
化学工程
无机化学
分析化学(期刊)
离子
化学
有机化学
离子键合
物理化学
物理
工程类
内分泌学
功率(物理)
医学
量子力学
作者
Ann Sun,Faith R. Beck,Daniel Haynes,James A. Poston,S. R. Narayanan,Prashant N. Kumta,A. Manivannan
标识
DOI:10.1016/j.mseb.2012.08.004
摘要
NaFePO4 is a naturally occurring mineral known as maricite. This compound has not been well characterized or examined for its potential use in battery applications. In the present study, NaFePO4 has been synthesized via the Pechini process with the resulting sample being characterized by X-ray diffraction (XRD) and thermogravimetric analysis (TGA). Electrochemical properties have been investigated for possible application as a cathode in sodium-ion batteries. Electrodes of these materials were tested in coin cells using LiPF6 as the electrolyte and lithium metal as the counter electrode. Constant current cycling, cyclic voltammetry, and in situ frequency response analyses were performed. The results obtained demonstrate constant capacity or progressive increase in capacity with the consistently low internal resistance exhibited over consecutive cycles indicating possible application as a lithium analog in Na-ion batteries.
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