Synthesis and characterisation of amorphous MnO2/CNT via solid‐state microwave for high‐performance supercapacitors
International Journal of Energy Research(2020)
摘要
Amorphous MnO2 was attached to carbon nanotubes (CNTs) in 60 seconds by solid-state microwave method. As electrodes in supercapacitors, the coactions of the MnO2 and CNT augmented the actual value of capacitance to 1250 F g(-1), and cycle steadiness held 80% of the starting value after 7000 cycles. The equipped MnO2/CNT//AC asymmetric supercapacitor (ASC) manifested preferable energy density with 33.5 Wh kg(-1) (at 400 W kg(-1)). Its glorious electrochemical properties of MnO2/CNT demonstrated that the microwave method has great potency to realise the composite of electrode materials.
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关键词
amorphous MnO2, CNT, electrochemical performance, microwave, supercapacitor
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