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  • @i_am_not_a_robot@discuss.tchncs.de
    6•1 month ago

    3V at 100 microwatts significantly limits its usefulness.

    They say they’re planning to make a 1W version, which I assume will be either be much larger or have a much shorter lifespan. How does it work? Does it have a way to stop the reaction or does the 1W battery generate 1W of heat when there’s no load attached?

    • @humanspiral@lemmy.ca
      2•1 month ago

      I agree that’s low. claim of 3300mWh per gram, also has decay over 50 years. 100 microwatts over 24 hours is 2.4mWh. 600 microW solar for 4 hours is the same. 1 cm2 solar is 25mW, and so more daily power with just 6 minutes of sun per day.