Construction of molybdenum dioxide nanosheets coated on the surface of nickel ferrite nanocrystals with ultrahigh specific capacity for hybrid supercapacitor
作者： Yan Zhao , Ming Yuan , Yuan Chen , Jia Yan , Le Xu
DOI: 10.1016/J.ELECTACTA.2017.12.053
关键词: Oxide 、 Electrochemistry 、 Molybdenum dioxide 、 Nanocrystal 、 Specific surface area 、 Chemical engineering 、 Supercapacitor 、 Composite number 、 Electrode 、 Materials science
摘要: Abstract Recently, nickel ferrite with high theoretical capacity over the other metal oxide has been applied as electrode material for batteries and supercapacitors. However, owing to serious aggregation low specific surface area, electrochemical performance of (NiFe2O4) should be in urgent need improvement. Here, we report synthesis unique molybdenum dioxide (MoO2) composite (MoO2/NiFe2O4) via a facile strategy first time. The presents nanosheets-nanocrystals heterostructure. When evaluated an hybrid supercapacitor alkaline solution, MoO2/NiFe2O4 greatly enhanced (2105 mA h/g at 4 A/g), which is better than those individual component exceeds some reported MoO2 NiFe2O4 based electrodes. retention about 81.1% after 1900 cycles. Such also great potential energy storage conversion system.
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