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Reply #4: The best solar cells are ~25% efficient [View All]

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Home » Discuss » Archives » General Discussion (01/01/06 through 01/22/2007)

Nederland

(1000+ posts) Send PM | Profile | Ignore

Mon Dec-04-06 05:33 PM
Response to Reply #1

4. The best solar cells are ~25% efficient

Of course, in that case the end product is electricity, not hydrogen. Given that electricity is probably what you really want anyway, you might have a point there. However, I think the real problem with solar cells is that power to weight / power to area ratios. You need to cover a pretty big area with solar cells to get a decent amount of power...

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