2021/10/122021/10/12 By admin In liquid metal, Renewable Energy, Solar 2021-10-12 Azelio Unveils Solar Thermal Storage System The solar energy melts aluminum at 600 deg. C and runs a Stirling engine even when the Sun isn’t shining. https://www.pv-magazine-australia.com/2021/10/11/electro-thermal-storage-system-for-commercial-applications-launched/