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.
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Inventors:
NONOKAWA RYUJI
MIYOSHI TAKANORI
NISHIKAWA SATOSHI
MIYOSHI TAKANORI
NISHIKAWA SATOSHI
Application Number:
JP2004274774A
Publication Date:
April 06, 2006
Filing Date:
September 22, 2004
Export Citation:
Assignee:
TEIJIN LTD
International Classes:
H01M2/16; H01M4/02
Domestic Patent References:
JP2001176482A | 2001-06-29 | |||
JP2001110449A | 2001-04-20 | |||
JP2001351682A | 2001-12-21 | |||
JP2003533862A | 2003-11-11 |
Attorney, Agent or Firm:
Hideko Mihara