Porous film and method of producing the same

Details Porous film and method of producing the same Porous film and method of producing the same

1997-01-17

1998-03-24

Choi, Kathleen L.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

428137, 4283166, 4283157, 429145, 429254, 264 41, 264154, 2642356, B32B 2732, H01H 216

Patent

active

057310742

ABSTRACT:
A porous film of a laminate structure, comprising a porous inner layer comprising polyethylene as the essential component, and having formed on both surfaces thereof a porous outer layer comprising polypropylene and having a Vickers hardness of 10 or more. The porous film is suitable as a separator for a lithium battery, and when the porous film is superposed with a positive electrode and a negative electrode, the film is difficult to be scratched and perforated at the assembly of cells. A production method of the porous film is also provided.

REFERENCES:
patent: 4650730 (1987-03-01), Lundquist et al.
patent: 4731304 (1988-03-01), Lundquist et al.
patent: 5240655 (1993-08-01), Troffkin et al.
patent: 5385777 (1995-01-01), Higuchi et al.
patent: 5480745 (1996-01-01), Nishiyama et al.

Affiliated with

Also associated with

Rating

Porous film and method of producing the same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Porous film and method of producing the same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Porous film and method of producing the same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2287333