Battery technology changes rapidly, the driving distance of electric vehicles is also increasingly improved! South Korean scientists released the latest electric car, each charge can travel 300 kilometers away, endurance is the General Electric car twice times, storage power is more than 4 times times. Kwang-ju (Gwangju Institute of Science and Technology,gist) announced 10th, professor of materials science and engineering of GIST, Eom Gwang-sup and postdoctoral researcher of the Electronic Research Laboratory of MIT (MIT) EE jung-tae work together to develop the latest lithium battery, if compared with the market, the new lithium battery storage capacity of 4 times times, the battery endurance also up to twice times. The traditional lithium battery is graphite, lithium metal oxides (Lithium Metal oxide) as cathode and anode, because the storage of these two materials are low, with the current technology development, the storage capacity has been near the limit, so the electric car battery storage volume, increase the space is not much. As a result, the Korean research team decided to use new materials to make batteries for the cathode and anode, using silicon and sulfur. The scientists specifically added selenium to protect the silicon cathode, and then developed a cathode with lithium and silicon, and made the anode with sulfur and selenium. The latest lithium-ion battery can store about mAh of electricity every gram, compared to the market in the battery per G will only be able to store 100-150 mAh power. This means that EV can run 300 kilometers per charge, is a General electric car a long distance. Not only that, the new lithium battery in charge, discharge 1,500 back, the battery capacity will only shrink 19%.
In other words, if the user charged once a day, stable use of 4 years, no need to replace the battery; If the new lithium battery is applied to smartphones, then the weight of the handset can be reduced by half
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