LITHIUM PRIMARY BATTERY AND METHOD FOR PRODUCING SAME

Title:

LITHIUM PRIMARY BATTERY AND METHOD FOR PRODUCING SAME

Document Type and Number:

WIPO Patent Application WO/2006/057110

Kind Code:

A1

Abstract:

Disclosed is a lithium primary battery comprising a positive electrode, a negative electrode, an organic electrolyte solution and a separator interposed between the positive electrode and the negative electrode. The negative electrode contains a negative electrode active material, and the negative electrode active material is composed of at least one substance selected from the group consisting of lithium metal and lithium alloys. At least the surface layer of the negative electrode is composed of a composite material of an amorphous carbon material and the negative electrode active material, and the surface layer is arranged opposite to the positive electrode via the separator. Such a lithium primary battery is highly reliable and excellent in large current discharge characteristics at low temperatures and storage stability at high temperatures.

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Inventors:

MORIGAKI KENICHI
YAMANAKA SUSUMU
HITOMI TOHRU
FUJII SHINJI
IKEHATA TOSHIHIKO

Application Number:

PCT/JP2005/018604

Publication Date:

June 01, 2006

Filing Date:

October 07, 2005

Export Citation:

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Assignee:

MATSUSHITA ELECTRIC IND CO LTD (JP)
MORIGAKI KENICHI
YAMANAKA SUSUMU
HITOMI TOHRU
FUJII SHINJI
IKEHATA TOSHIHIKO

International Classes:

H01M4/06; H01M4/583; H01M4/62; H01M6/16

Domestic Patent References:

WO2001097304A1

2001-12-20

Foreign References:

JPH01211856A	1989-08-25
JPH05266883A	1993-10-15
JPH042050A	1992-01-07
JPH0594837A	1993-04-16
JP2002516643A	2002-06-04
JPH06168737A	1994-06-14
JPH10172540A	1998-06-26

Other References: