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View Diary: Total Surface Area Required to Fuel the World With Solar (138 comments)

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  •  Thanks (0+ / 0-)

    That's good to know.
    What about the environmental impacts of batteries?

    What about flywheel storage, or other types of mechanical energy storage? Is there hope to gain good efficiencies on these ideas?

    Liberalism is trust of the people tempered by prudence. Conservatism is distrust of the people tempered by fear. ~William E. Gladstone, 1866

    by intrados on Sun Aug 16, 2009 at 07:48:23 AM PDT

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    •  First, if you go to: (0+ / 0-)

      bravenewclimate.com you'll see a link to a report that shows the relative costs of all storage devices, including flywheels, which are very inefficient, apparently.

      If you are talking lead acid batteries. Yuck. They have a very limited lifespan if actually drained down and recharged a lot and they create a huge hazardous mess when disposed of. New batteries? I don't know enough about.

      Dr. Isaac Asimov: "The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny ...'"

      by davidwalters on Sun Aug 16, 2009 at 09:03:24 AM PDT

      [ Parent ]

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