New Lithium Battery Storage Capacity Of Four Times
Author: Source: Datetime: 2017-01-13 13:02:12
(GIST) today announced that Gom materials science and engineering professor Eom Gwang-sup and Lee Jung-tae, a postdoctoral researcher at the Massachusetts Institute of Technology's (MIT) Electronic Research Laboratory, have collaborated to develop the latest lithium-ion batteries , If compared with the products on the market, the new lithium battery storage capacity of 4 times, up to twice the battery life.
The traditional solar power batteries are based on graphite, lithium metal oxide (Lithium Metal Oxide) as the cathode and anode, both of these materials because of the low storage capacity to the current technology development, storage capacity is near the limit, so electric Car battery storage capacity, the increase in space is not much.
Therefore, the South Korean team decided to use a new material to make the battery anode and cathode, using silicon and sulfur. Scientists in particular to join the protection of silicon selenium cathode, which has developed a cathode of lithium and silicon, and sulfur and selenium anode.
The latest lithium battery can store about 500 mAh of electricity per gram, compared to the market, the battery can only be stored per gram of 100-150 mAh of electricity. This means that electric cars can run once every charge 300 km, is generally double the distance of electric vehicles.
Not only that, the new lithium battery charge and discharge after the 1,500 cycles, the battery capacity will shrink 19%. In other words, if the user once a day charge, can be stable for 4 years, no need to replace the battery; if the new lithium battery applied to the smart phone, then the weight of mobile phones can be reduced by half.
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