Batteries from dirt

coolwirecoolwire Registered Users Posts: 2
Here is a discussion of a materials scientist from MIT who is experimenting with making batteries from "dirt". A company has already been formed to develop these batteries: Ambri, taken from Cambridge, MA,. Here is a link:


9810w array with 30 Sunpower SPR-E20-327 PV panels, Sunpower SPR-5002m (AFCI, 2MPPT w/SPS) 5000 W inverter 150/70. Location: Lat 35°38' N Lon 106° 0' W.


  • CALLDCALLD Solar Expert Posts: 230 ✭✭
    I'll be impressed when someone comes up with a really simple device that efficiently converts thermal gradients into electricity. It should be as simple as a thermocouple or PV cell. It should be able to operate a wide range of temperatures from 0 to 4000k would be very useful. You could then use any substance with a high melting point and good specific heat capacity as a battery. You could even use it to turn sunlight into electricity. It just needs to be simple, cheap and efficient. Just do it....
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