Recently I became aware of "heat batteries" that might also be useful for these applications. https://www.technologyreview.com/2023/10/24/1082217/heat-battery-m

Recently I became aware of "heat batteries" that might also be useful for these applications. https://www.technologyreview.com/2023/10/24/1082217/heat-battery-manufacturing-facility/ https://www.technologyreview.com/2023/10/24/1082217/heat-bat...