Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SEPARATOR FOR LITHIUM ION SECONDARY BATTERY, ITS MANUFACTURING METHOD AND LITHIUM ION SECONDARY BATTERY
Document Type and Number:
Japanese Patent JP2006092829
Kind Code:
A
Abstract:

To provide a separator for a lithium ion secondary battery having an excellent discharge rate characteristic and having an overcharge prevention function as well.

This separator for a lithium ion secondary battery is composed by stacking sheets each formed of an assembly of a fiber having a fiber diameter not greater than 2 μm and a fiber length not less than 20 μm on both surfaces of a mesh-like sheet.


Inventors:
NONOKAWA RYUJI
MIYOSHI TAKANORI
NISHIKAWA SATOSHI
Application Number:
JP2004274774A
Publication Date:
April 06, 2006
Filing Date:
September 22, 2004
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TEIJIN LTD
International Classes:
H01M2/16; H01M4/02
Domestic Patent References:
JP2001176482A2001-06-29
JP2001110449A2001-04-20
JP2001351682A2001-12-21
JP2003533862A2003-11-11
Attorney, Agent or Firm:
Hideko Mihara