Negative active material and lithium battery

A negative active material containing super-conductive nanoparticles coated with a high capacity negative material and a lithium battery including the same are provided, wherein the super-conductive nanoparticles have a structure in which polycyclic nano-sheets are stacked upon one another along a d...

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Main Authors LEE SO-RA, KIM TAE-SIK, YU YONG-MI, KIM DEOK-HYUN, SHIN CHANG-SU, LEE JONG-HEE, KIM YOUNG-SU, JOO KYU-NAM, KIM JAE-MYUNG, CHUNG GU-HYUN, KIM BEOM-KWON, DO UI-SONG
Format Patent
LanguageChinese
English
Published 09.11.2011
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 negative active material containing super-conductive nanoparticles coated with a high capacity negative material and a lithium battery including the same are provided, wherein the super-conductive nanoparticles have a structure in which polycyclic nano-sheets are stacked upon one another along a direction perpendicular to a first plane. The polycyclic nano-sheets include hexagonal rings of six carbons atoms linked to each other, wherein a first carbon and a second carbon have a distance therebetween of L1. L2 is a distance between a third carbon and a fourth carbon, and the arrangement of the polycyclic nano-sheets is such that L1>=L2. The super-conductive nanoparticle is used as a negative active material in a lithium battery, and the super-conductive nanoparticle increases the capacity, thereby improving the capacity and lifespan of the lithium battery.
Bibliography:Application Number: CN2011196224