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Growth and growth mechanism of oxide nanocrystals on electrochemically exfoliated graphene for lithium storage

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Xu_2018_ESM_Growth_AAM.pdf (1.554Mb)
Date
03/2019
Author
Xu, Zexuan
Zhang, Ping
Chen, Jialu
Yue, Wenbo
Zhou, Wuzong
Keywords
Electrochemically exfoliated graphene
Trimanganese tetraoxide
Polymerization
Gentle synthesis
Lithium-ion batteries
QD Chemistry
NDAS
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Abstract
Difficulty of growing metal oxides on intrinsic graphene due to few defects and functional groups on its surface was overcome by deposition of polymerized precursors via multiple interacting sites, followed by crystallization of metal oxides inside the aggregated polymer. As a typical example, Mn3O4-decorated electrochemically exfoliated graphene (EEG) was successfully prepared and served as an advanced anode material for lithium-ion batteries. Because EEG possesses higher electronic conductivity and stronger mechanical strength in comparison with commonly used reduced graphene oxide (rGO), the new composite of EEG-Mn3O4 exhibits much better electrochemical performance than rGO-Mn3O4, including superior reversible capacity and better cycling stability.
Citation
Xu , Z , Zhang , P , Chen , J , Yue , W & Zhou , W 2019 , ' Growth and growth mechanism of oxide nanocrystals on electrochemically exfoliated graphene for lithium storage ' , Energy Storage Materials , vol. 18 , pp. 174-181 . https://doi.org/10.1016/j.ensm.2018.08.023
Publication
Energy Storage Materials
Status
Peer reviewed
DOI
https://doi.org/10.1016/j.ensm.2018.08.023
ISSN
2405-8297
Type
Journal article
Rights
© 2018 Published by Elsevier B.V. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at: https://doi.org/10.1016/j.ensm.2018.08.023
Description
This work is financially supported by National Natural Science Foundation of China (21573023). WZ thanks an equipment grant from EPSRC (EP/L017008/1) to University of St Andrews.
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/18392

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