Hydrogen Fuel Cell Battery Replacements
Poster: Aron Schatz
Posted on September 13, 2006 at 2:22:07 PM
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.