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나노 구조 물리 연구단
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Highly stable multi-layered silicon-intercalated graphene anodes for lithium-ion batteries

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Title
Highly stable multi-layered silicon-intercalated graphene anodes for lithium-ion batteries
Author(s)
Doyoung Kim; Yongguang Luo; Anand P. Tiwari; Hee Min Hwang; Simgeon Oh; Keunsik Lee; Hyoyoung Lee
Publication Date
2020-03
Journal
MRS Communications, v.10, no.1, pp.25 - 31
Publisher
Cambridge University Press
Abstract
© 2020 Cambridge University Press. All rights reserved.To avoid degradation of silicon anodes in lithium-ion batteries (LIBs), the authors report a new two-dimensional multi-layered Si-intercalated rGO (rGO/Si) anode prepared by direct growth of Si into a porous multi-layered reduced graphene oxide (rGO) film. Direct Si deposition onto the porous rGO film allows the Si layers to be intercalated into the film via in situ replacement of the oxygen groups of the multi-layered graphene oxide (GO) with Si through thermal reduction of the GO film. The porous rGO acts as a cushion against the expansion of the Si layer during lithiation, preventing the Si from being pulverized and producing highly stable LIBs
URI
https://pr.ibs.re.kr/handle/8788114/7222
ISSN
2159-6859
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > Journal Papers (저널논문)
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