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Title:
SECONDARY BATTERY WITH GEL ELECTROLYTE
Document Type and Number:
Japanese Patent JP2000299106
Kind Code:
A
Abstract:

To provide a high performance gel electrolyte secondary battery which can be charged in a short time, and can solve various problems such as lowering of a capacity in the large current density charge.

This secondary battery with a gel electrolyte comprise a positive electrode, a negative electrode in which a carbon material that stores and discharges lithium is used as an active material, and a high molecule gelled electrolyte. As the carbon material those may be used which satisfies the following conditions: (1) oxygen content amount ≥0.05 wt.%, (2) amount of xenon type oxygen ≥20 μmol/g, and (3) all acid degree ≥20 μeq/g.


Inventors:
IIJIMA TAKASHI
SHINBARA TERUO
Application Number:
JP10946899A
Publication Date:
October 24, 2000
Filing Date:
April 16, 1999
Export Citation:
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Assignee:
NIPPON STEEL CORP
International Classes:
H01M10/05; C01B31/02; H01M4/587; H01M10/0525; H01M10/0565; (IPC1-7): H01M4/58; H01M10/40
Attorney, Agent or Firm:
Kazuo Sato (2 outside)