PET nonwoven fabric for separator for secondary battery and separator for secondary battery comprising the same

PET nonwoven fabric for separator for secondary battery and separator for secondary battery comprising the same

A PET nonwoven fabric for a separator for a secondary battery includes first fibers composed of PET having a melting temperature of 240° C. or more and second fibers composed of PET having a melting temperature of 180˜220° C., respective fibers having two types of fibers having different diameters,...

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Hauptverfasser: Lee Hyang Doo, Hwang Do Hyeuk, Kang Chun Gi, Ahn Chang Gyu, You Suk Hwa, Jee Seung Yong, Kim Hyun Sook, Kwon Byoung Min
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
BRAIDING
COTTON-WOOL
ELECTRICITY
FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS
KNITTING
LACE-MAKING
MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL
NON-WOVEN FABRICS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
TEXTILES
TRIMMINGS
WADDING
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creator Lee Hyang Doo
Hwang Do Hyeuk
Kang Chun Gi
Ahn Chang Gyu
You Suk Hwa
Jee Seung Yong
Kim Hyun Sook
Kwon Byoung Min
description A PET nonwoven fabric for a separator for a secondary battery includes first fibers composed of PET having a melting temperature of 240° C. or more and second fibers composed of PET having a melting temperature of 180˜220° C., respective fibers having two types of fibers having different diameters, and has a fine pore size and uniform pore distribution and exhibits superior surface properties, low surface defects, high mechanical strength and excellent mass production. Even when the temperature of a battery is increased to 200° C. or more, the PET nonwoven fabric has heat resistance which prevents thermal runaway and does not generate melting and shrinking.
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subjects BASIC ELECTRIC ELEMENTS
BRAIDING
COTTON-WOOL
ELECTRICITY
FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS
KNITTING
LACE-MAKING
MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL
NON-WOVEN FABRICS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
TEXTILES
TRIMMINGS
WADDING
title PET nonwoven fabric for separator for secondary battery and separator for secondary battery comprising the same
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