The new lithium battery breakthrough triples the battery life of electric cars

Battery technology changes with each passing day, the distance of the electric vehicle is also improving day by day! South Korean scientists have unveiled an electric car that can travel up to 300 kilometers on a single charge, has twice the range and can store up to four times as much power.

The state science and technology institute (GwangjuInstituteofScienceandTechnology, GIST) 10, announced that the GIST of materials science and engineering professor EomGwang - sup and electronic research laboratory at the Massachusetts institute of technology (MIT) postdoctoral researcher LeeJung - it hand in hand to cooperate, to develop the latest lithium battery, if compared with the products available in the market, the new lithium battery capacity reach four times, battery life is up to twice as much.

Traditional lithium-ion batteries based on graphite, lithium metal oxide (LithiumMetalOxide) as cathode and anode, due to the capacity of the two kinds of materials are low, at the current development of science and technology, storage capacity is close to the limit, so the electric car battery storage capacity, and increase the space is not much.

So the Korean team decided to make the anode and cathode of the battery from entirely new materials, using silicon and sulfur. The scientists specifically added selenium to protect the silicon cathode, and then developed a cathode containing lithium and silicon, and made an anode with sulfur and selenium.

The latest lithium-ion batteries can store about 500mAh per gram, compared with 100 to 150mAh per gram for commercially available batteries. This represents a range of 300 kilometers per charge, twice the distance of a typical electric car.

What's more, the new lithium-ion batteries will shrink by only 19% after being charged and discharged 1,500 times. In other words, if the user charges once a day, it can be used for 4 years without changing the battery; the new lithium-ion batteries could halve the weight of a Smartphone.

The page contains the contents of the machine translation.