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back to article Panasonic to demo 20-hour laptop-friendly fuel cell

Panasonic will show off its latest developments in Direct Methanol Fuel Cells (DMFC) this week. The highlight is a power pack capable of delivering a charge continuously for 20 hours. Panasonic_DMFC_01 Panasonic's DMFC: can power laptops for up to 20 hours The fuel cell achieves this on just 200cc of methanol, Panasonic …

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  1. Michael Davis

    "weight" of methanol

    Roughly 0.8grams per cc

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  2. The Voice of Reason

    Powerless

    "Laptop-friendly" and "10 to 20W power".

    You're kidding, right? That's surely no-where near enough power to supply most traditionally sized laptops.

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  3. Anonymous Coward
    Boffin

    Methanol: Density 0.7918 g/cm³, liquid*

    So about 160g reducing to 0g over time.....

    *Wiki Disclamer: accuracy may go up aswell as down.

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  4. Michael Dunn

    200 ml of methanol.

    That means that with methanol having an upper band price of about $4.25 per US gallon, this will cost 22 cents to run, however, if it really gives only 10 to 20 W what's the viability?

    Still using methanol in this way is probably better than drinkinbg the stuff!

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