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Ceramic capacitor Seminar

2020-12-21 16:09:45

The reporter learned from CRRC Co., Ltd. on the 10th that a new generation of high-power graphene supercapacitor independently developed by my country was launched in China CRRC Zhuzhou Electric Locomotive Co., Ltd., its power has been increased by three times, and the efficiency of electric energy utilization is higher. It can be used The time is longer, and the performance indicators are at the leading level in the world.

CRRC stated that nine experts, including academicians Yang Yusheng and Liu Youmei, academicians of the Chinese Academy of Engineering, and Professor Zhang Shichao, an expert of the "National 863 Energy Conservation Energy Storage Project", unanimously identified: 3 volts/12000 The farad graphene/activated carbon composite electrode supercapacitor and the 2.8 volt/30,000 farad graphene nano-hybrid supercapacitor represent the highest level of supercapacitor monomer technology in the world.

Ruan Dianbo, deputy director of the technology center of CRRC Zhuzhou Machinery Co., Ltd., told reporters that the 2.8V/30,000 Farad supercapacitor is suitable for the main drive of trolleybuses. A single charge takes less than 1 minute, and the mileage can be increased from the current 4-6 kilometers to 8-10 kilometers, to achieve the requirement that the vehicle only needs to be charged at the first and last stations, and also has the advantages of fast charging and discharging speed and long cycle life.

"Currently, about 60,000 buses are updated online every year in mainland China. If all the supercapacitors are used as the main drive power supply, 584 million kilowatt-hours of electricity can be saved each year, and carbon dioxide emissions can be reduced by 6.7 million tons," he said.

The newly released 3-volt/12,000-farad supercapacitor is suitable for the main drive of trams. It only takes 30 seconds for a single charge, and the mileage can reach 6 kilometers.

It is understood that compared with traditional charging devices, supercapacitors can be charged 1 million times, the charging time only takes tens of seconds, and there are no pollution and explosion risks. They can be widely used in consumer electronics, rail transit, urban public transport systems, national defense and Aerospace, hoisting machinery potential energy recovery, power generation and smart grid and other fields. At present, 9500 farads, 7500 farads and other supercapacitors developed by CRRC ZELC have been used in trams and trolleybuses in Guangzhou, Ningbo, Wuhan and Huaian.


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