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One-pot synthesized mesoporous Ni–Co hydroxide for high performance supercapacitors

Qiao, Yuqing, Jia, Peng, Zhang, Xiaoyu, Cai, Ning, Shen, Tongde, Hao, Xiznfeng, Tang, Yongfu, Wang, Xianhui, Kong, Lingxue and Gao, Weimin 2016, One-pot synthesized mesoporous Ni–Co hydroxide for high performance supercapacitors, Ionics, In Press, pp. 1-10, doi: 10.1007/s11581-016-1914-8.

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Title One-pot synthesized mesoporous Ni–Co hydroxide for high performance supercapacitors
Author(s) Qiao, Yuqing
Jia, Peng
Zhang, Xiaoyu
Cai, Ning
Shen, Tongde
Hao, Xiznfeng
Tang, Yongfu
Wang, Xianhui
Kong, LingxueORCID iD for Kong, Lingxue orcid.org/0000-0001-6219-3897
Gao, Weimin
Journal name Ionics
Season In Press
Start page 1
End page 10
Total pages 10
Publisher Springer
Place of publication Berlin, Germany
Publication date 2016
ISSN 0947-7047
1862-0760
Keyword(s) Ni–Co hydroxide
Electrode materials
Mesoporous
Supercapacitors
Summary Mesoporous Ni(OH)2/Co(OH)2 electrode materials were synthesized via a simple one-pot procedure by combining homogeneous precipitation and stepwise precipitation method. The configuration of the porous Ni(OH)2/Co(OH)2 electrode materials synthesized provides 3D electron transmission channels through a high conductive Co(OH)2 distributed in the peripheral nanolayer of the composites, which is beneficial to rate capability and cycle stability. The Ni(OH)2/Co(OH)2 electrode materials have a specific surface area of 229 m2 g−1, which is approximately 40% higher than that of Ni(OH)2 (163 m2 g−1). Their specific capacitance is up to 1202 and 1022 F g−1 at the current densities of 10 and 20 A g−1, respectively. Furthermore, the capacitance retention of the electrode materials at the current density of 10 A g−1 is 98% after 5000 cycles. The synthesis method provides a novel simple route to fabricate heterostructure materials for capacitors with high electrochemical performance.
Language eng
DOI 10.1007/s11581-016-1914-8
Field of Research 090406 Powder and Particle Technology
0904 Chemical Engineering
Socio Economic Objective 860602 Inorganic Industrial Chemicals
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Springer
Persistent URL http://hdl.handle.net/10536/DRO/DU:30090420

Document type: Journal Article
Collection: Institute for Frontier Materials
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