首页|Construction of α-NixCo(1?x)(OH)2 from ZIF-67 as highly efficient supercapacitor electrodes
Construction of α-NixCo(1?x)(OH)2 from ZIF-67 as highly efficient supercapacitor electrodes
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NSTL
Elsevier
Herein, α-NixCo(1?x)(OH)2 has been synthesized through etching ZIF-67. This work demonstrates that reaction temperature affects the morphology and composition of α-NixCo(1?x)(OH)2. Hydroxide nanocluster forms at lower reaction temperature, and hydroxide hollow nanocage can be obtained at or exceeding 100 °C. And the synthesis mechanism of α-NixCo(1?x)(OH)2 is speculated. The obtained hydroxide shows outstanding electrochemical performance. For example, the α-NixCo(1?x)(OH)2 obtained at 120 °C delivers high specific capacitance with 2329.2 and 1795.6 F g?1 at 1 and 20 A g?1, respectively. Furthermore, the versatile and simple synthesis strategy allows the recycling of organic ligand.
EtchingHydroxideRateSupercapacitorZIF-67
Xie S.、Gou J.、Zhao Y.、Zhao W.、Gao Z.
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College of Chemical Engineering and Safety Binzhou University
NSTL
Elsevier
