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Title:
NON-AQUEOUS SOLVENT SECONDARY BATTERY
Document Type and Number:
Japanese Patent JPH11329431
Kind Code:
A
Abstract:

To obtain a non-aqueous solvent secondary battery, especially a coin- type Li secondary battery, whose working voltage is 1.5 grade and which is excellent in charge and discharge cycle life characteristics.

This non-aqueous solvent secondary battery is equipped with a positive electrode 6 having a positive electrode mix, containing Li4/3Ti5/3O4 powder having secondary particle sizes of 10-100 μm, carbon material powder and a fluoric resin as indispensable components, and with a negative electrode 4 having a negative electrode mix containing carbon material in which Li stored. In the positive electrode mix of this non-aqueous solvent secondary battery, the content of the carbon material powder is 5-15 wt.% and the content of the fluoric resin is 3-6 wt.%, and also the density of the positive electrode 6 is 1.95-2.05 g/cm3.


Inventors:
SHIKODA MASATAKA
Application Number:
JP1998000138313
Publication Date:
November 30, 1999
Filing Date:
May 20, 1998
Export Citation:
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Assignee:
TOSHIBA BATTERY
International Classes:
H01M4/131; H01M4/485; H01M4/62; H01M10/05; H01M10/0525; (IPC1-7): H01M4/58; H01M4/02; H01M4/62; H01M10/40
Attorney, Agent or Firm:
Koji Nagato (1 person outside)