China developed a super battery: charging 7 seconds battery life 35 kilometers

What kind of material is more suitable for use as a "super battery" for electric vehicles, scientists have not found the ideal material for a long time. Huang Fuqiang, a research team of Shanghai Institute of Ceramics, Chinese Academy of Sciences, found that graphene is the best choice for supercapacitor electrodes. Its research was published in the journal Science on December 18.

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According to Xinhua News, on December 18, the reporter learned from the Shanghai Institute of Ceramics of the Chinese Academy of Sciences that the scientists have developed a high-performance supercapacitor electrode material, nitrogen-doped ordered mesoporous graphene. The material has excellent electrochemical energy storage characteristics and can be used as a "super battery" for electric vehicles: it takes only 7 seconds to charge and can last for 35 kilometers. The relevant research results were published on the world's top journal Science on December 18.

A supercapacitor is an electrochemical energy storage device between a conventional capacitor and a battery. Due to its high power density, long cycle life, safety and reliability, it has been widely used in hybrid electric vehicles, high-power output equipment and other fields. How to make supercapacitors combine high power and high energy. Scientists have not found ideal materials for a long time.

In order to solve this problem, the Shanghai Institute of Ceramics of the Chinese Academy of Sciences, in conjunction with Peking University and the University of Pennsylvania, continued to tackle the problem. Huang Fuqiang's research team finally found that graphene is the best choice for supercapacitor electrodes.

Through trial and error, design and synthesis, Huang Fuqiang's research team found that the performance of nitrogen-doped ordered mesoporous graphene was the best. Not only can achieve high energy density, high power density, but also through the use of water-based electrolyte, non-toxic, environmentally friendly, low-cost, safe and reliable.

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