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MOF-derived NixCo1-x(OH)2 composite microspheres for high-performance supercapacitors
2016-07-07 ArticleSource:
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Abstract: NixCo1-x(OH)2 composite microspheres with uniform sizes are successfully synthesized with the assistance of alkali solution by employing a bimetallic Co-Ni-metal organic framework (Co-Ni-MOF) as both the precursor and the self-sacrificing template. The as-obtained NixCo1-x(OH)2 composite demonstrates excellent electrochemical performance, including a high specific capacitance of 1235.9 Fg-1 at a current density of 0.5Ag-1, good electrochemical stability, with similar to 73% retention of its initial capacitance after 10 000 cycles, and a high rate capability; this composite exhibits great application prospects as a novel electrode material for supercapacitors.

KeyWords Plus: LITHIUM-ION BATTERIES; METAL-ORGANIC FRAMEWORK; ELECTROCHEMICAL PERFORMANCES; NI(OH)2-CO(OH)2 COMPOSITES; ASYMMETRIC SUPERCAPACITOR; PSEUDOCAPACITOR MATERIALS; HYDROXIDE NANOSHEETS; ELECTRODE MATERIALS; COBALT HYDROXIDE; ANODE MATERIALS

Published in RSC ADVANCES, 6 (55):49478-49486; 10.1039/c6ra03992h 2016

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