120th General Meeting of the KCS

Type Poster Presentation
Area Material Chemistry
Room No. Exhibition Hall 2+3
Time 10월 19일 (목요일) 11:00~12:30
Code MAT.P-399
Subject Monodisperse mesoporous silicon nanoparticles combined with sulfur-graphene oxide for efficient performance of lithium ion battery anode
Authors Eon-ji shin, Mi-Kyung Han1, Sung-Jin Kim2,*
Department of Chemistry and Nano Science, Ewha Womans University, Korea
1Division of Chemistry and Nano Science, Ewha Womans University, Korea
2Department of Chemistry, Ewha Womans University, Korea
Abstract

Silicon nanoparticle is promising anode material for lithium-ion batteries(LIB) due to highest theoretical capacity (4200 mAhrg-1). However, instability issue during lithiation-delithiation and its low conductivity remain in the existing nanostructured silicon. To improve electrochemical stability, we synthesize Mesoporous silicon nanoparticle(mSiNP) by surface protected-magnesiothermic reduction. as-synthesized silicon combines Sulfur-doped graphene oxide with cyclized polyacrylonitrile(c-PAN) for enhance the electronic conductivity.

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