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Auto Shows researchers from China are developing a super battery for e-cars that can be charged in a few minutes

18:00  15 october  2020
18:00  15 october  2020 Source:   businessinsider.de

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When it comes to e-cars and their disadvantages, the short range and long charging time of the batteries are quickly referred to. A research team from the University of Science and Technology of China claims to have found a solution to the problem based on new findings and is on the way to discovering the "holy grail" of battery technology, as the British site "The Independent" reports to .

The "holy grail" in this case is a special mixture of black phosphorus and graphite. According to the scientists, electric cars can travel up to 500 kilometers after a ten-minute charge.

The properties of black phosphorus had been known for a long time. This forms an atom-thick layer with channels the size of lithium ions, just like graphite, which has so far been used in electrodes in the common lithium-ion batteries in electric cars. However,

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black phosphorus has more electrons, which in turn can react with more lithium ions and thus increase efficiency. So far, the substance could not be used due to chemical reactions on its surface.

Battery life also increased.

The scientists have now created a mixture that is supposed to eliminate this problem. According to this, the mixture consists of 15 percent graphite. Most of the lithium storage is said to be exercised by the black phosphorus. The researchers also found that the special blend could significantly extend the life of the battery. After a ten-minute loading time, the material recovers 80 percent of its capacity, they say.

However, the technology still faces challenges. A commercial use is not yet likely because of the complicated and expensive production. However, the progress shows that the way to the super battery is open.

Electric Cars Charging © Photo by Sean Gallup / Getty Images Electric Cars Charging

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