兴奋剂
电化学
阴极
材料科学
阳极
离子
热扩散率
电阻率和电导率
相(物质)
电导率
相变
光电子学
凝聚态物理
化学
物理化学
电极
热力学
电气工程
有机化学
工程类
物理
作者
Yongho Kee,Nikolay Dimov,Simon Champet,Duncan H. Gregory,Shigeto Okada
出处
期刊:Ionics
[Springer Nature]
日期:2016-09-27
卷期号:22 (11): 2245-2248
被引量:25
标识
DOI:10.1007/s11581-016-1839-2
摘要
P2-Na2/3MO2 materials have recently been investigated as promising high-capacity cathode hosts for Na-ion batteries. On the other hand, the Na-deficiency in these materials precludes a high energy density when coupled with Na-free anodes. As an alternative, O3-NaFeO2 and its various derivatives such as NaFe0.5Mn0.5O2 have been suggested and investigated. In this study, we dope Al in NaFe0.5Mn0.5O2 and investigate Al-doping effects on the electrochemical properties of the Na+ host. The Al-doped compound shows almost the same conductivity and diffusivity as the pristine structure. However, Al-doping enhances O3-P3 phase transition.
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