Synthesis and electrochemical performance of: Li2Co1-xMxPO4F (M = Fe, Mn) cathode materials

被引：0

作者：

Khasanova, Nellie R. ^{[1
]}

Drozhzhin, Oleg A. ^{[1
]}

Fedotov, Stanislav S. ^{[1
]}

Storozhilova, Darya A. ^{[1
]}

Panin, Rodion V. ^{[1
]}

Antipov, Evgeny V. ^{[1
]}

机构：

[1] Department of Chemistry, Moscow State University, Moscow 119991, Russia

来源：

Beilstein Journal of Nanotechnology | 2013年 / 4卷 / 01期

关键词：

Electrochemical performance - Energy related - Fluoro-phosphates - Galvanostatic measurement - High voltage - Initial discharge capacities - Morphological features - Reversible capacity;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

In the search for high-energy materials, novel 3D-fluorophosphates, Li2Co1-xFexPO4F and Li2Co1-xMnxPO4F, have been synthesized. X-ray diffraction and scanning electron microscopy have been applied to analyze the structural and morphological features of the prepared materials. Both systems, Li2Co1-xFexPO4F and Li2Co1-xMnxPO4F, exhibited narrow ranges of solid solutions: x ≤ 0.3 and x ≤ 0.1, respectively. The Li2Co0.9Mn0.1PO4F material demonstrated a reversible electrochemical performance with an initial discharge capacity of 75 mA·h·g-1 (current rate of C/5) upon cycling between 2.5 and 5.5 V in 1 M LiBF4/TMS electrolyte. Galvanostatic measurements along with cyclic voltammetry supported a single-phase de/intercalation mechanism in the Li2Co0.9Mn0.1PO4F material. © 2013 Khasanova et al.

引用

页码：860 / 867

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