3 ms·
> Another big question is how much mass needs to be shipped up from earth to manufacturer solar cells. If you take the linked page at face value, it explicitly
by SECProto 4y ago
> Another big question is how much mass needs to be shipped up from earth to manufacturer solar cells.
If you take the linked page at face value, it explicitly states:
> without special substances brought from Earth.
(I suspect, like most press releases, some important details aren't being provided. Maybe dopants aren't considered "special substances")
- gene-h 4y agoThis study[0] estimated that less than a microgram of dopant is needed per m^2 and that producing 5 MW of solar cells requires 1 gram of phosphorous. [0]https://ascelibrary.org/doi/abs/10.1061/(ASCE)0893-1321(2001)14:2(77) https://ascelibrary.org/doi/abs/10.1061/(ASCE)0893-1321(2001...