US Patent 7160646 Electrode for lithium secondary battery and lithium secondary battery

Patent 7160646 was granted and assigned to Sanyo on January, 2007 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Sanyo

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

71606460

Patent Inventor Names

Maruo Kamino0

Ryuji Ohshita0

Masahisa Fujimoto0

Taeko Ota0

Shin Fujitani0

Hisaki Tarui0

Katsunobu Sayama0

Date of Patent

January 9, 2007

Patent Application Number

103989340

Date Filed

March 4, 2002

Patent Primary Examiner

‌

Stephen J. Kalafut

Patent abstract

An electrode for lithium secondary battery having a current collector and, deposited thereon, a thin film comprising silicon as a main component, characterized in that the thin film comprising silicon contains at least one of the elements belonging to the groups IIIa, Iva, Va, VIa, VIIa, VIII, Ib and IIb in the fourth, fifth and sixth periods of the Periodic Table (exclusive of copper (Cu)) at least in the surface portion thereof.

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