ELECTRODE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, MANUFACTURING METHOD OF SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING SAME

Japanese Patent JP2004327330

A

To provide a nonaqueous electrolyte secondary battery with an excellent charging/discharging property, an electrode material for realizing the above secondary battery, and a manufacturing method of the electrode material for the nonaqueous electrolyte secondary battery.

The electrode material for the nonaqueous electrolyte secondary battery is to be a porous material which can store and release Li reversibly, and the nonaqueous electrolyte secondary battery contains the above material as a negative electrode activator. The manufacturing method of the nonaqueous electrolyte secondary battery comprises (i) a process of forming a thin film (particles) of a material containing Si, and (ii) a process of forming a porous thin film (particles) by forming fine holes on the thin film (particles) through a positive electrode oxidation method.

JP3133316	[Title of Invention] Secondary Battery
JPH06290793	NONAQUEOUS ELECTROLYTIC BATTERY
JP4869629	Method for manufacturing positive electrode active material for lithium batteries, positive electrode active material for lithium batteries, and lithium batteries

OYAMA HIDEAKI
NAKAMOTO TAKAYUKI
KAYAMA YOSHIO
SATO TOSHITADA
SHIMAMURA HARUNARI
MIFUJI YASUHIKO

JP2003122576A

November 18, 2004

April 25, 2003

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MATSUSHITA ELECTRIC IND CO LTD

H01M10/05; B82Y99/00; H01M4/134; H01M4/1395; H01M4/38; (IPC1-7): H01M4/38; H01M4/02; H01M10/40

Ikeuchi, Sato & Partners

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