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Title:
LITHIUM SECONDARY BATTERY
Document Type and Number:
Japanese Patent JP3172388
Kind Code:
B2
Abstract:

PURPOSE: To enhance charge/discharge cycle property by forming a film made of a specified metal oxide on the surface of a positive electrode.
CONSTITUTION: A positive electrode 1 using a lithium-transition metal composite oxide, on which a film of at least one oxide selected &om the group comprising BeO, MgO, CaO, SrO, BaO, ZnO, Al2O3, CeO2, and As2O3 is formed, as an active material, and a negative electrode 2 are housed in a positive can 4 and a negative can 5 as a battery case through a separator 3 impregnated with a nonaqueous electrolyte. The positive electrode 1 is connected to the positive can 4 through a positive current collector 6, and the negative electrode 2 is connected to the negative can 5 through a negative current collector 7.


Inventors:
Nishida, Nobumichi
Shoji, Yoshihiro
Jinno, Maruo
Nishio, Koji
Saito, Toshihiko
Application Number:
JP1995000064975
Publication Date:
June 04, 2001
Filing Date:
February 27, 1995
Export Citation:
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Assignee:
SANYO ELECTRIC CO LTD
International Classes:
C01G53/00; H01M4/131; H01M4/525; H01M10/05; (IPC1-7): H01M4/02; C01G53/00; H01M10/40
Attorney, Agent or Firm:
松尾 智弘



 
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