TL;DR: Molten Regolith Electrolysis is a main entry in the 外星矿物知识引擎 database.
Electrolysis of molten lunar regolith at 1600°C to produce oxygen gas and metal alloys (Fe, Al, Si, Ti) simultaneously
Organization
NASA KSC, ESA, Metalysis (UK)
Status
Laboratory demonstrated with lunar simulant and Apollo samples
Breakthrough
Metalysis and ESA demonstrated oxygen and metal alloy co-production from lunar regolith simulant in 2020