ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND ITS MANUFACTURING METHOD

Title:

ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND ITS MANUFACTURING METHOD

Document Type and Number:

Japanese Patent JP2004288564

Kind Code:

A

Abstract:

To provide an electrode for a nonaqueous electrolyte secondary battery such as a lithium ion secondary battery with a high cycle property, and to provide its manufacturing method.

On the electrode for the nonaqueous electrolyte secondary cell, a thin film of silicon material in which, one or more elements chosen from among boron, phosphorous, nitrogen, antimony, arsenic, aluminum, gallium and indium are doped, having specific resistance of not higher than 10 Ωcm in a state of a wafer or an ingot, is formed on a metallic foil by a physical thin film forming method or a chemical thin film forming method. The electrode for the nonaqueous electrolyte secondary cell is provided with a superior cycle property.

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Inventors:

TAKAMURA TSUTOMU
SEKINE KYOICHI
OHARA SHIGEKI
MIYAWAKI SATORU

Application Number:

JP2003081913A

Publication Date:

October 14, 2004

Filing Date:

March 25, 2003

Export Citation:

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Assignee:

SHINETSU CHEMICAL CO

International Classes:

C01B33/02; C23C14/14; C23C14/16; C23C16/24; H01M4/134; H01M4/1395; H01M4/38; H01M4/62; H01M4/64; H01M10/05; (IPC1-7): H01M4/02; C23C14/14; C23C14/16; C23C16/24; H01M4/04; H01M4/38; H01M4/62; H01M4/64; H01M10/40

Attorney, Agent or Firm:

Takashi Kojima
Saori Shigematsu
Katsunari Kobayashi

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