Beijing time on December 4, according to media reports, German automaker Audi will increase its investment in electric mobility in the next five years,

The new type of "graphene super battery" uses graphene carbon materials, which can be fully charged in only 15 seconds, and in terms of battery life,

Tesla acquired Maxwell-an American manufacturer of supercapacitor cells, which enabled Tesla, which was originally known for its battery energy density, to take a step toward ultra-high density energy