Self Assembled Rice Ball‐Like ZnCo 2 O 4  Inlaid on rGO as Flexible Anodes with High Lithium Storage Capability and Superior Cycling Stability | Zendy

Ru Qiang | Zendy; Wang Zhen | Zendy; Cheng Shikun | Zendy; Liu Peng | Zendy; Hou Xianhua | Zendy; Su Shichen | Zendy; Ling Francis ChiChung | Zendy

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Self Assembled Rice Ball‐Like ZnCo 2 O 4 Inlaid on rGO as Flexible Anodes with High Lithium Storage Capability and Superior Cycling Stability

Author(s) -

Ru Qiang,

Wang Zhen,

Cheng Shikun,

Liu Peng,

Hou Xianhua,

Su Shichen,

Ling Francis ChiChung

Publication year - 2018

Publication title -

energy technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.91

H-Index - 44

eISSN - 2194-4296

pISSN - 2194-4288

DOI - 10.1002/ente.201700983

Subject(s) - materials science , anode , porosity , graphene , electrode , current density , chemical engineering , oxide , lithium (medication) , cathode , electrical conductor , nanotechnology , composite material , metallurgy , chemistry , medicine , physics , quantum mechanics , endocrinology , engineering

A unique flexible configuration with ordered porous rice ball‐like ZnCo 2 O 4 (ZCO) microspheres embedded in reduced graphene oxide (rGO) network was demonstrated by a facile solvothermal route and vacuum filtration method. As binder‐free anodes for LIBs, sandwiched structure ZCO/rGO electrode synergistically realized high lithium storage capability and good cycling stability due to enhanced conductive skeleton, robust mechanical stability and high hierarchical porosity. The ZCO/rGO hybrid depicts a reversible discharge capacity of 908.7 mAh g −1 after 500 long‐term cycles at a current density of 500 mA g −1 . In addition, the flexible electrode also shows the excellent rate capacity with an average capacity of 681.8 mAh g −1 even at a large current density of 6000 mA g −1 .

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