Qingdao successfully developed graphene-based lithium-ion capacitors

Reporters learned yesterday from the Municipal Science and Technology Bureau, Qingdao Institute of Energy Storage Technology Institute successfully developed high-energy density lithium-ion capacitors, the overall expert assessment reached the international advanced level.

According to reports, the technology breakthrough in graphene composite electrode design and batch preparation, controllable uniform pre-embedded lithium, charge and discharge flatulence inhibition and special current collector coating technology problems, master graphene-based lithium-ion capacitor preparation technology and Technology, we designed and built the first pilot production line of lithium-ion capacitor in China and developed the 3500F / 4V lithium-ion capacitor with the highest capacity. The device has the advantages of high energy density, good cycle performance and good low-temperature performance. In view of the capacitor with both high power and high energy density, fast charging and fast discharging, it is very suitable as an energy barrel for energy Internet technology. Next, Qingdao Energy Storage Technology Research Institute will use the "Energy Barrels" to build a small near-zero carbon emission demonstration area using energy Internet technology, and strengthen cooperation with enterprises in production, research and research to strive to apply the capacitor to The city rail transit, ports and other fields, and promote the city's energy-saving emission reduction work in-depth development.

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