Preparation and performance of carbon materials and cobalt aluminum hydroxide composite materials
In order to solve environmental requirements such as energy shortage,supercapacitors have gradually e-merged in people's vision due to their advantages of fast charging and discharging and excellent energy storage per-formance.Among them,electrode material is a key factor affecting the performance and cost of supercapacitors.Due to its unique performance,carbon materials were the first batch of materials used in supercapacitors.There-fore,on the basis of functionalization of carbon nanotubes,the addition of carbon quantum dots and functionalized carbon nanotubes to cobalt aluminum bimetallic hydroxides were studied,and the synthesis of CQDs/CoAl LDH and FMWCNTs/CoAl LDH binary composites increased the specific surface area of bimetallic hydroxides,made the structure more stable,and improved the conductivity,specific capacitance,and electrochemical cycle stability.
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