The ability of spectator metal ions such as vanadium to enhance the electrochemical performance of supercapacitors has been explained. Vanadium-incorporated CoO(OH) combined with NiMn-layered double hydroxide (LDH) yields a specific capacitance of 1700 F g at 1 A g with 96% retention after 5000 cycles. The assembled asymmetric supercapacitor exhibits an energy density of 45.93 W h Kg and a power density of 752 W kg@1 A g.
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| http://dx.doi.org/10.1039/d2cc06162g | DOI Listing |
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Materials Science Laboratory, Department of Chemistry, Indian Institute of Technology Guwahati, Assam, India.
The ability of spectator metal ions such as vanadium to enhance the electrochemical performance of supercapacitors has been explained. Vanadium-incorporated CoO(OH) combined with NiMn-layered double hydroxide (LDH) yields a specific capacitance of 1700 F g at 1 A g with 96% retention after 5000 cycles. The assembled asymmetric supercapacitor exhibits an energy density of 45.
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