Title:
DIAPHRAGM FOR CELL, AND CELL
Document Type and Number:
WIPO Patent Application WO/1994/018711
Kind Code:
A1
Abstract:
The diaphragm for a cell can reliably ensure safety by causing the cell to lose the function when the temperature abnormally rises due to external short-circuit or the like. The cell comprises positive and negative electrodes, and a diaphragm. The diaphragm comprises polymer porous body which is hydrophilized, and polymer grains whose fusion point is 80 to 170 �C, and which include grains of ethylene copolymer having side chains. The polymeric grains are carried by the polymerically porous body.
Inventors:
SAKAMOTO TAKESHI (JP)
HARA KOJI (JP)
HARADA AKIRA (JP)
HARA KOJI (JP)
HARADA AKIRA (JP)
Application Number:
PCT/JP1994/000182
Publication Date:
August 18, 1994
Filing Date:
February 08, 1994
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
SAKAMOTO TAKESHI (JP)
HARA KOJI (JP)
HARADA AKIRA (JP)
SAKAMOTO TAKESHI (JP)
HARA KOJI (JP)
HARADA AKIRA (JP)
International Classes:
H01M6/50; H01M50/414; H01M50/417; H01M50/42; H01M50/426; H01M50/449; H01M50/489; (IPC1-7): H01M2/16
Foreign References:
| JPH03291848A | 1991-12-24 | |||
| JPH03283259A | 1991-12-13 | |||
| JPH0359947A | 1991-03-14 | |||
| JPH0362449A | 1991-03-18 |
Other References:
See also references of EP 0634802A4
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