Hydrogen Fuel Cell Battery Replacements

Author
Aron Schatz
Posted
September 13, 2006
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2294

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Some really interesting battery technology is coming down the pike soon. I'm talking about replacement laptop batteries. Imagine being able to use a laptop for an entire day (meaning 24 hours) on a 'charge'...

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The borohydride solution releases its hydrogen as it flows over a catalyst made of ruthenium. The hydrogen passes through a membrane and combines with oxygen in the fuel cell, generating electricity and waste water. Theoretically, this could achieve an energy density up to about 2200 watt-hours per litre Gervasio says, compared to 200 watt-hours per litre for a lithium polymer battery.

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