Title:
LITHIUM ION SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2006/064775
Kind Code:
A1
Abstract:
Disclosed is a lithium ion secondary battery comprising a positive electrode containing a lithium complex oxide, a chargeable/dischargeable negative electrode, a separator and a nonaqueous electrolyte containing a nonaqueous solvent wherein a solute is dissolved. The separator comprises at least one heat-resistant porous film and at least one shutdown layer. A porous film is bonded to the surface of at least one of the positive and negative electrodes, and the porous film contains an inorganic oxide filler and a binder.
Inventors:
NAKURA KENSUKE
SHIMADA MIKINARI
SHIMADA MIKINARI
Application Number:
PCT/JP2005/022808
Publication Date:
June 22, 2006
Filing Date:
December 12, 2005
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
NAKURA KENSUKE
SHIMADA MIKINARI
NAKURA KENSUKE
SHIMADA MIKINARI
International Classes:
H01M10/0525; H01M10/36; H01M50/414; H01M50/423; H01M50/449; H01M50/489; H01M4/131; H01M4/133; H01M4/52; H01M4/525; H01M10/0587
Foreign References:
| JP2000100408A | 2000-04-07 | |||
| JPH10294100A | 1998-11-04 | |||
| JPH11102730A | 1999-04-13 | |||
| JP2005259639A | 2005-09-22 | |||
| JP2005302634A | 2005-10-27 |
Other References:
See also references of EP 1768209A4
Attorney, Agent or Firm:
Ishii, Kazuo (3-6 Kitahama 2-chome, Chuo-k, Osaka-shi Osaka 41, JP)
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