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Super electric vehicle battery-Rechargeable 7 seconds endurance 35 km

Dec 23,2015

December 18, reporter learned from the Shanghai Institute of Silicate, which the scientists have developed

a high performance supercapacitor electrode material - nitrogen-doped mesoporous graphene. The material

has excellent electrochemical energy storage characteristics, can be used as electric vehicles "super cell":

Charging just 7 seconds, the life of 35 km. Related research has been published in the world's top journal

"Science" on the 18th.

Super capacitor, is an electrochemical energy storage device between the conventional capacitor

and the battery. Due to its high power density, long cycle life, safety and reliability, is now widely used in

many fields of hybrid electric vehicles, power output devices. How to make super capacitor combines

high power, high energy, long time scientists did not find the ideal material.For solving this problem, the

Chinese Academy of Sciences Shanghai Institute of Silicate joint Peking University, University of

Pennsylvania, an ongoing research.

Huang Fuqiang team eventually found that graphene is the best choice for supercapacitor electrodes.

Through trial and error, design, synthesis, Huang Fuqiang research team found that nitrogen-doped

mesoporous graphene has optimal performance. Not only to achieve high energy density,high power

density, but also by using a water-based electrolyte, so that non-toxic, environmentally friendly,

inexpensive, safe and reliable.

According to reports, the new graphene supercapacitors lightweight, non-flammable nor explosive,

can be produced at low cost, to achieve the scale of production. Due to performance than the lead-acid,

nickel-hydrogen batteries have a clear competitive advantage, and in the rapid charge-discharge side

is also far superior to lithium batteries, so that the "super cell" can be widely applied to existing hybrid

electric vehicles, power output devices upgrading.

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