paulfdietz
paulfdietz t1_ix1xjgl wrote
Reply to comment by MockeryOfANoble in Super-hot salt could be coming to a battery near you by Apart_Shock
No, it does not store the energy as heat.
paulfdietz t1_isjp8xi wrote
Reply to comment by AdmiralKurita in The Race to Make a Vaccine for Breast Cancer by AdmiralKurita
> There are a few more targeted therapies.
Cancer is many diseases. Your complaint is like "We haven't cured illness. There are a few targeted therapies."
paulfdietz t1_j578iwr wrote
Reply to comment by wwarnout in Climate change: "Sand battery" could solve green energy's big problem [July, 2022] by ChriAZii
At a grid scale, sand batteries using resistive heating can regenerate electrical power with ~53% round trip efficiency, LCOS of maybe $0.05/kWh.
https://arpa-e.energy.gov/sites/default/files/2021-03/07%20Day1-Zhiwen%20Ma_NREL.pdf
Babcock and Wilcox are commercializing this technology now.