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Recharge Batteries in Seconds Thursday, March 12, 2009 - Anuradha Menon Home >> Headlines >> General Technology   
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MIT engineers have created a kind of beltway that allows for the rapid transit of electrical energy through a well-known battery material, an advance that could usher in smaller, lighter batteries -- for cell phones and other devices -- that could recharge in seconds rather than hours. The work could also allow for the quick recharging of batteries in electric cars, although that particular application would be limited by the amount of power available to a homeowner through the electric grid.
(source: web.mit.edu)
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Charging a cell phone battery in seconds is not very feasable. To charge a 7 WH battery in 10 seconds would take 420A at 6V. The connectors would fry and where do get this charger? |
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Connectors would not be needed (or fried) to recharge the phone via inductance, but the whole cellphone would need to recharge within a Faraday cage style shield or it will radiate/electrocute everyone in the vicinity. Also, the phone would need to have very resilient internal circuitry and internal memory to sustain this radiation repeatedly over years. |
