Reduced Graphene‐Wrapped MnO 2  Nanowires Self‐Inserted with Co 3 O 4  Nanocages: Remarkable Enhanced Performances for Lithium‐Ion Anode Applications | Zendy

Zhu Qi | Zendy; Li Yunhui | Zendy; Gao Ying | Zendy; Wang Xiao | Zendy; Song Shuyan | Zendy

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Reduced Graphene‐Wrapped MnO 2 Nanowires Self‐Inserted with Co 3 O 4 Nanocages: Remarkable Enhanced Performances for Lithium‐Ion Anode Applications

Author(s) -

Zhu Qi,

Li Yunhui,

Gao Ying,

Wang Xiao,

Song Shuyan

Publication year - 2016

Publication title -

chemistry – a european journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.687

H-Index - 242

eISSN - 1521-3765

pISSN - 0947-6539

DOI - 10.1002/chem.201600456

Subject(s) - nanocages , faraday efficiency , anode , graphene , materials science , nanowire , composite number , chemical engineering , lithium (medication) , electrode , nanotechnology , ion , chemistry , composite material , catalysis , medicine , biochemistry , engineering , organic chemistry , endocrinology

A simple synthetic approach for graphene‐templated nanostructured MnO 2 nanowires self‐inserted with Co 3 O 4 nanocages is proposed in this work. The Co 3 O 4 nanocages were penetrated in situ by MnO 2 nanowires. As an anode, the as‐obtained MnO 2 –Co 3 O 4 –RGO composite exhibits remarkable enhanced performance compared with the MnO 2 –RGO and Co 3 O 4 –RGO samples. The MnO 2 –Co 3 O 4 –RGO electrode delivers a reversible capacity of up to 577.4 mA h g −1 after 400 cycles at 500 mA g −1 and the Coulombic efficiency of MnO 2 –Co 3 O 4 –RGO is about 96 %.

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