Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 3, Issue 42, Pages 20886-20891Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ta06812f
Keywords
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Funding
- National Natural Science Foundation of China [51402155]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) [YX03001]
- National Synergistic Innovation Center for Advanced Materials (SICAM)
- Foundation of NJUPT [NY214021]
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Hierarchical nickel cobalt oxide (NCO) microspheres comprised of nanoscale mesoporous thorn arrays are developed as superior rate high capacity anodes in this work, i.e. 1063.3 and 860 mA h g(-1) at 180 and 4500 mA g(-1), respectively. Stoichiometric urea serves as a self-template to favor the self-assembly of well-organized NiCo(OH)(2)CO3 thorn microsphere precursors under an optimized hydrothermal reaction. The dispersed multi-phase hybrid crystal structure and the favorable specific surface area obtained during the controlled pyrolysis of NiCo(OH)(2)CO3 microspheres markedly promote the cyclic stability of the single phase Ni1.5Co1.5O4.
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