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Donald Sadoway

[wikipedia.org] – Donald Sadoway

He is a noted expert on batteries and has done significant research on how to improve the performance and longevity of portable power sources. In parallel, he is an expert on the extraction of metals from their ores and the inventor of molten oxide electrolysis, which has the potential to produce crude steel without the use of carbon reductant thereby totally eliminating greenhouse gas emissions… As a researcher, Sadoway has focused on environmental ways to extract metals from their ores, as well as producing more efficient batteries. His research has often been driven by the desire to reduce greenhouse gas emissions while improving quality and lowering costs. He is the co-inventor of a solid polymer electrolyte. This material, used in his “sLimcell” has the capability of allowing batteries to offer twice as much power per kilogram as is possible in current lithium ion batteries…. In August 2006, a team that he led demonstrated the feasibility of extracting iron from its ore through molten oxide electrolysis. When powered exclusively by renewable electricity, this technique has the potential to eliminate the carbon dioxide emissions that are generated through traditional methods… In 2009, Sadoway disclosed the liquid metal battery comprising liquid layers of magnesium and antimony separated by a layer of molten salt[8] that could be used for stationary energy storage. Research on this concept was being funded by ARPA-E and the French energy company Total S.A. Experimental data showed a 69% DC-to-DC storage efficiency with good storage capacity and relatively low leakage current (self discharge). In 2010, with funding from Bill Gates and Total S.A., Sadoway and two others, David Bradwell and Luis Ortiz, co-founded a company called the Liquid Metal Battery Corporation (now Ambri) in order to scale up and commercialize the technology.

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