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By the Chinese Academy of Sciences Shanghai silicate scientists successfully developed a high-performance super capacitor electrode materials -
Nitrogen ordered mesoporous graphene doping, the material has excellent electrochemical energy storage characteristics, can be used as a 'super battery of electric vehicles.
The super capacitor, is a kind of between traditional capacitor and battery electrochemical energy storage device.
Because of the high power density, long cycle life, safe and reliable, has been widely used in hybrid electric vehicles, high-power output devices, and other fields.
However, the super capacitor is not 'perfect', the core problem lies in the fact that the energy density is low.
How to make the super capacitor with high power, high energy, scientists didn't find the ideal material for a long time.
For solving this difficult problem, Shanghai silicate jointly by Beijing university of Chinese Academy of Sciences, the university of Pennsylvania, continued research.
In the end, the yellow rich and strong research team found that graphene is the best choice of the super capacitor electrode.
Through trial and error, the design, synthesis, yellow prosperous team found that nitrogen doping of ordered mesoporous graphene is the best performance.
Not only can realize high energy density, high power density, but also through the use of aqueous electrolyte, non-toxic, environmental protection, low cost, safe and reliable.
It is understood that the new type of graphene supercapacitor light volume, not flammable and explosive, can use low-cost preparation, realize the scale production.
Due to performance than lead acid, nickel metal hydride batteries have a clear competitive advantage, and in terms of rapid inflation is better than that of lithium battery, the super battery can be used in hybrid electric vehicles, power output equipment upgrades.
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