Effects of Na+ contents on electrochemical properties of Li1.2Ni0.13Co0.13Mn0.54O2 cathode materials

The Li1.2−xNaxNi0.13Co0.13Mn0.54O2 (0≤x≤0.1) cathode materials have been synthesized by a solid-state reaction method. The effects of the Na+ contents on the structure, surface components and electrochemical performance are studied by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) a...

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Veröffentlicht in:	Journal of power sources 2013-10, Vol.240, p.530-535
Hauptverfasser:	Qiu, Bao, Wang, Jun, Xia, Yonggao, Liu, Yuanzhuang, Qin, Laifen, Yao, Xiayin, Liu, Zhaoping
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Cathode material Cathodes Charge Diffraction Direct energy conversion and energy accumulation Discharge Electrical engineering. Electrical power engineering Electrical power engineering Electrochemical conversion: primary and secondary batteries, fuel cells Exact sciences and technology Layered lithium-excess Lithium-ion batteries Materials Sodium-ions content Sole Solid solution Transforms X-ray photoelectron spectroscopy X-rays
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Beschreibung
Zusammenfassung:	The Li1.2−xNaxNi0.13Co0.13Mn0.54O2 (0≤x≤0.1) cathode materials have been synthesized by a solid-state reaction method. The effects of the Na+ contents on the structure, surface components and electrochemical performance are studied by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and electrochemical techniques. The XRD data indicate that the Li1.2−xNaxNi0.13Co0.13Mn0.54O2 samples evolve from a sole layered structure (0≤x≤0.02) to a mixture of Na+-contained layered structure (0.02
ISSN:	0378-7753 1873-2755
DOI:	10.1016/j.jpowsour.2013.04.047