Separator and electrochemical device comprising the same

Details Separator and electrochemical device comprising the same Separator and electrochemical device comprising the same

2007-09-21

2011-11-22

Ryan, Patrick (Department: 1726)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer, spacer or materials for use therewith

C428S402000, C428S304400, C524S545000, C427S180000, C523S513000, C523S411000, C523S513000, C523S411000, C204S192260, C264S319000, C356S402000

Reexamination Certificate

active

08062795

ABSTRACT:
Disclosed is a separator comprising inorganic particle or aggregates thereof having a unique spectrum or color pattern according to a predetermined rule. Also, disclosed are an electrochemical device comprising the above separator and a method for identifying the origin or kind of the separator itself or the electrochemical device comprising the same by using the above separator. Further, disclosed is a method for manufacturing the aforementioned separator, the method comprising a step of forming a specific pattern by coating inorganic particles having a unique spectrum or color pattern on at least one area selected from the group consisting of a surface of a porous substrate and a porous part of the substrate.

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International Search Report, PCT/KR2007/004665.

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