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Thread: Supercapacitor electrode doping creates viable battery alternative

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    Supercapacitor electrode doping creates viable battery alternative

    Nitrogen doped supercapacitors offer triple capacity of best previous examples.
    Read more.

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    Re: Supercapacitor electrode doping creates viable battery alternative

    Lithium ion batteries still hold the crown for energy storage, storing 70 to 250 watt-hours per kilogram.
    What's missing is the supercapacitor's storage figure. It was in the "5km trip" paragraph, which was only partially mined.
    "A bus can run on an 8 watt-hours per kilogram supercapacitor for 5 kilometers, then recharge for 30 seconds at the depot to run on the trip again,” says I-Wei Chen, a materials physicist at the University of Pennsylvania who also worked on the breakthrough. “This works in a small city or an airport, but there is obviously a lot to be desired," he says. "Our battery has five times the energy, so it can run 25 kilometers and still charge at the same speed. We are then talking about serious applications in a serious way in transportation."

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    Re: Supercapacitor electrode doping creates viable battery alternative

    The linked articles say
    Their devices could store 41 watt-hours per kilogram, comparable to lead-acid batteries.

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    Re: Supercapacitor electrode doping creates viable battery alternative

    Still doesn't sound like it would be suitable for busses in all climates and terrain. I wonder whether they would be suitable for powering a bus, in winter, up several steep hills, all while powering heaters on both decks of the bus to stop the passengers freezing.

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    Re: Supercapacitor electrode doping creates viable battery alternative

    Things like this make me think now is the time for a new Sinclair C5 though. Maybe

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    Re: Supercapacitor electrode doping creates viable battery alternative

    Sinclair C5? I think this would be perfect for an electric dragster!

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    Re: Supercapacitor electrode doping creates viable battery alternative

    Quote Originally Posted by Tpyo View Post
    Sinclair C5? I think this would be perfect for an electric dragster!
    Only if the drag track was 10 metres long!
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    Re: Supercapacitor electrode doping creates viable battery alternative

    Looks like a modern alternative to the gyrobus. Most bus routes have stops a lot less than 5km apart, and 30 seconds charging whilst picking up passengers could easily be built into schedules.

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    Re: Supercapacitor electrode doping creates viable battery alternative

    Quote Originally Posted by Tpyo View Post
    Sinclair C5? I think this would be perfect for an electric dragster!
    I would not be against a new C5 being able to pop wheelies

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    Re: Supercapacitor electrode doping creates viable battery alternative

    I'm so looking forward to battery technology increasing and making it feasible for cars to rapidly charge them.

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