SANDWICH-TYPE GRAPHENE COMPOSITE STRUCTURE FOR ANODE MATERIAL OF LITHIUM ION SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF

A sandwich-type graphene composite structure formed of carbon-coated silicon nanoparticles and graphene, and a method for manufacturing the same are provided. The sandwich-type graphene composite structure is formed of a carbon-coated silicon graphene through an environmentally friendly filtration p...

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Bibliographic Details
Main Authors SONG, Kyeongse, AGYEMAN, Daniel Adjei, KANG, Yongmook, LEE, Gihyeok
Format Patent
LanguageEnglish
Published 23.05.2019
Subjects
BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOUNDS THEREOF
ELECTRICITY
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:A sandwich-type graphene composite structure formed of carbon-coated silicon nanoparticles and graphene, and a method for manufacturing the same are provided. The sandwich-type graphene composite structure is formed of a carbon-coated silicon graphene through an environmentally friendly filtration process. The formed sandwich-type graphene composite structure relieves the volume expansion of the silicon. In addition, the carbon coated on the silicon surface improves electrical conductivity and may be used as a high-capacity anode material.
Bibliography:Application Number: US201716092147