Electrical separator, method for making same and use thereof...

Details Electrical separator, method for making same and use thereof... Electrical separator, method for making same and use thereof...

2003-07-04

2010-10-05

Rhee, Jane (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer or spacer insulating structure

C429S232000, C428S113000

Reexamination Certificate

active

07807286

ABSTRACT:
This object is achieved by an electrical separator according to the invention, comprising a sheetlike flexible substrate having a multiplicity of openings and having a coating on and in said substrate, said substrate being a polymeric nonwoven and said coating being a porous electrically insulating ceramic coating, said separator being characterized by said nonwoven having a thickness of less than 30 μm, a porosity of more than 50% and a pore radius distribution in which at least 50% of the pores have a pore radius from 75 to 150 μm.

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