Abstract:NiO/Ni(OH)2 is a promising alternative electrode material as supercapacitor due to its high specific capacitance, natural abundance, low cost and environmental friendness. Whether it has good capacitive characteristics at high rate capability is the key to scale up its applications. It was reviewed that technologies were applied to prepare NiO/Ni(OH)2 film as supercapacitance electrode material. The merits and faults of these technologies were stated, and the key factors were listed for improving its rate capability. On basis of the above, a new technology for preparing a NiO/Ni(OH)2 film on nickel substrate were developed by an anodic current oscillation method. By this novel technology, a NiO/Ni(OH)2 film electrode material on nickel plate can reach an areal specific capacitance of 560 mF/cm2 at 20 mA/cm2 after 100000 cycles .
马俊,熊信柏,曾燮榕,易超,程苗苗. 高倍率性能氧化镍/氢氧化镍超级电容薄膜电极材料制备技术研究新进展[J]. , 2014, 21(4): 36-42.
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