Lithiium ion secondary battery

A separator for use in a lithium ion secondary battery is provided. The separator comprises a porous membrane comprising clusters of ceramic particles. The porous membrane is formed by bonding the particle clusters with a binder. Each particle cluster is formed either by sintering or by dissolving a...

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Bibliographic Details
Main Authors HAN WON CHULL, LEE HA YOUNG, KIM CHAN JUNG, KIM JAE WOONG, KIM JIN HEE, KIM JUN HO
Format Patent
LanguageChinese
English
Published 22.10.2008
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:A separator for use in a lithium ion secondary battery is provided. The separator comprises a porous membrane comprising clusters of ceramic particles. The porous membrane is formed by bonding the particle clusters with a binder. Each particle cluster is formed either by sintering or by dissolving and re-crystallizing all or a portion of the ceramic particles. The ceramic particles comprise a ceramic material having a band gap. Each particle cluster may have the shape of a grape bunch or a lamina, and may be formed by laminating scale or flake shaped ceramic particles.
Bibliography:Application Number: CN200510125452