Safer Li’s ion battery of scientist’s development
Li ion battery, portable computer, mobile phone and other apparatus use, already work among a lot of fire in recent years, it causes the noticeable portable computer battery to remember like the apple with the company to produce the care latent energy of the defect, Dell, Lenovo, the formal introduction as Sony of Hewlett-Packard.
In 2004, one teenagers of California injured her Kyocera phone batteries catch fire suddenly.
In February, an engineer’s consumer products security council (CPSC) of U.S.A. ,Douglas, give, try every possible means, set up one work group send safe Li ion battery U.S.A. of danger in toy of child test with the material learning to be written a letter. He, in which month talked about that in the past, CPSC had already seen that made the high energy battery involved in the increase of the quantity of the incident of the toy, including overheated, discharge, the smoking of the battery group, explode and light a fire.
In Wurzburg now, German silicate study Fraunhofer scientist of research institute of ISC, find, cause strong energy Li ion battery use flammable organic electrolytic Luis of liquid already.
” We have already succeeded in replacing the flammable organic electrolytic liquid with a non- flammable polymer which has kept its form, ” ISC captain Kai Christian Möl ler says, while one are stated. ” This analogous to earth raise Li ion security of battery. Because it is a kind of solid material, the electrolytic liquid can’t leak out from the battery, so and. ”
Usually, the dense polymer offers the telex incompletely, but Ormocer polymer used allows Fraunhofer scientist to keep conductivity.
Though those researchers have a working prototype, Möl ler expects it is available in this made the non- flammable battery of 3 to 5 years on the market in the past, because the further need of work is done the conductivity of improving.
August 1st, 2009 at 1:45 am
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