SECONDARY BATTERY - MATSUSHITA ELECTRIC IND CO LTD

Title:

SECONDARY BATTERY

Document Type and Number:

WIPO Patent Application WO/1998/040919

Kind Code:

A1

Abstract:

A secondary battery which can prevent the deposition of lithium on a negative electrode plate in the last stage of the cycle life of the battery, has an excellent cycle characteristic, and is high in safety and reliability. In the rechargeable nonaqueous electrolytic solution secondary battery, the positive electrode contains an active material and a conductive material, such as the Ketjen black, a mixture of the Ketjen black and flake graphite, or a mixture of the Ketjen black and acetylene black.

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Inventors:

INOUE KAORU (JP)
OURA TAKAFUMI (JP)
KITAGAWA MASAKI (JP)
KOSHINA HIZURU (JP)

Application Number:

PCT/JP1998/000752

Publication Date:

September 17, 1998

Filing Date:

February 25, 1998

Export Citation:

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Assignee:

MATSUSHITA ELECTRIC IND CO LTD (JP)
INOUE KAORU (JP)
OURA TAKAFUMI (JP)
KITAGAWA MASAKI (JP)
KOSHINA HIZURU (JP)

International Classes:

H01M4/50; H01M4/505; H01M4/52; H01M4/525; H01M4/62; H01M4/02; H01M6/10; H01M10/052; H01M10/0587; H01M10/36; (IPC1-7): H01M4/62; H01M4/58; H01M4/02; H01M10/40

Foreign References:

JPH09129216A	1997-05-16
JPH0878003A	1996-03-22
JPH0878057A	1996-03-22
JPH05174811A	1993-07-13
JPH01149370A	1989-06-12

Other References: