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South Korean scientists develop new lithium battery life increased by two times
Publish:Sino Energy Corporation    Time:2017-01-13
[lithium engineering comprehensive report]
   Battery technology change rapidly, driving distance of EV are increasingly improved! South Korean scientists released the new electric vehicles, each charge can travel 300 kilometers, endurance is two times the general electric vehicle models, the storage capacity is 4 times as much.
   Business Korea reported on the 11, Kwangju Institute of science and Technology (Gwangju Institute of Science and Technology, GIST GIST) 10 announced that the Department of materials science and engineering professor Eom Gwang-sup and Massachusetts Institute of Technology (MIT) Electronics Research Laboratory postdoctoral researcher Lee Jung-tae work together to develop the new lithium battery, if compared with the products on the market, Li the new battery storage capacity up to 4 times, the battery capacity is up to two times.
   The lithium battery is the traditional metal oxide with graphite and lithium (Lithium Metal Oxide) as anode and cathode, because these two kinds of material storage capacity is low, the current development of science and technology, storage capacity has been close to the limit, so the electric vehicle battery storage capacity, the increase of the space is not much.
   Therefore, the Korean research team decided to use a new material to make the battery anode and cathode, using silicon and sulfur. In particular, scientists added selenium to protect the silicon cathode, and then developed a lithium and silicon cathode, and in addition to sulfur, selenium anode.
   The latest lithium batteries can store about 500 mAh per gram of power, compared with commercially available batteries per gram could only store the 100-150 mAh power. This represents the electric car can run 300 kilometers per charge, is twice as long as the general electric car.
   Not only that, the new lithium battery charge and discharge after 1500 times, the battery capacity will only shrink by 19%. In other words, if the user charge once a day, can be used for 4 years, do not need to replace the battery; if the new lithium battery applied to the smart phone, then the weight of the phone can be reduced by half.
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