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    Facile synthesis of 3D MnNi-layered double hydroxides (LDH)/graphene composites from directly graphites for...
    관리자
    2020-05-12      조회 2,311   댓글 0  
    Author Ilbok Lee, Gyoung Hwa Jeong, Soyeon An, Sang-Wook Kim, Songhun Yoon
    Journal Applied Surface Science
    Year of Pub. 2018


    Facile synthesis of 3D MnNi-layered double hydroxides (LDH)/graphene composites from directly graphites for pseudocapacitor and their electrochemical analysis​

    Herein, MnNi-layered double hydroxides (LDH) were imbibed within the interlayers of graphene nanosheets. The anionic surfactant, sodium dodecyl sulfate played a role of graphite exfoliator adding interaction with metal cations. Using this process, layered MnNi-LDH-graphene nanocomposite was prepared without formation of graphene oxide. When applied into pseudocapacitor electrode, LDH-graphene with optimal ratio between Mn and Ni exhibited very stable cycle with 90% at 1400 cycles and high energy 47.29 Wh kg−1 at the power density of 7473 W kg−1, which was attributed to highly stable layered LDH structure within conductive graphene layers.​

     

    첨부파일 80.png (221.1KB) [0] 2020-05-12 12:29:48
    첨부파일 Facile_synthesis_of_3D_MnNi-layered_double_hydroxides__LDH_graphene_composites_from_directly_graphites_for_pseudocapacitor_and_their_electrochemical_analysis.pdf (2.55MB) [0] 2020-05-12 12:29:48
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