To provide an electrode for a lithium secondary battery in which Fe is used as a metal which is not alloyed with Li and deterioration of a battery capacity due to charging and discharging can be controlled, and to provide its manufacturing method.
The electrode for a lithium secondary battery includes a current collector and an active material thin film formed on the current collector, and the active thin film contain an active material which occludes and discharge Li. The active material thin film is composed substantially of Fe and Ni which are the contained elements other than the active material occluding or discharging Li. Moreover, concentration of Fe and Ni contained in the active material thin film shall satisfy 10%
Hideaki Awata
Katsuji Emura
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