New battery tech lasts for days, charges in seconds


New supercapacitor battery tech lasts for days, charges in seconds Scientists from the University of Central Florida (UCF) have created a supercapacitor battery prototype that works like new even after being recharged 30,000 times. The research could yield high-capacity, ultra-fast-charging batteries that last over 20 times longer than a conventional lithium-ion cell. "You could charge your mobile phone in a few seconds and you wouldn't need to charge it again for over a week," says UCF postdoctoral associate Nitin Choudhary. Supercapacitors can be charged quickly because they store electricity statically on the surface of a material, rather than using chemical reactions like batteries. That requires "two-dimensional" material sheets with large surface areas that can hold lots of electrons. However, much of the research, including that by EV-maker Henrik Fisker and UCLA, uses graphene as the two-dimensional material. Nitin Choudhary, a postdoctoral associate who conducted much of the research, published recently in the academic journal ACS Nano at http://ift.tt/2g00XFJ. The research is in early days and not ready for commercialization, but it looks promising. Jung calls the research "proof-of-concept," and the team is now trying to patent its new process. While it could go nowhere like many other battery developments, it's worth looking at new supercapacitor research closely. If commercialized, it could allow for longer-range EVs that can be charged in minutes rather than hours, long-lasting (non-explosive) smartphones that can be charged in seconds and grid or home energy storage solutions that drastically reduce our reliance on fossil fuels. See http://ift.tt/2fBTpIw

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