Liquid-metal battery by MIT spinoff to be operational in 2024

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MIT spinoff Ambri has worked for over a decade to improve its liquid metal battery tech and will soon deploy it at a 300kWh facility.

More than a decade ago, Donald Sadoway, a professor emeritus at MIT, had begun work on reducing these costs. The result is a liquid metal battery closer to commercialization and deployment.Traditional batteries are constructed by utilizing solid electrodes and a liquid electrolyte. These components subsequently require segregation into individual units through the implementation of membranes and separators.are being constructed to increase energy density.

However, Sadoway's liquid metal concept necessitates fewer components, thereby offering the potential for substantial cost reduction.design consists of three separate layers of liquid that stack upon each other due to differences in their densities. The densest is molten antimony which serves as a cathode, while the lightest is calcium, functioning as the anode. Bridging the gap between them is a calcium chloride salt solution, which acts as the electrolyte.

. Instead, they faced the challenge of meticulously resolving all the complexities to bring their batteries into widespread use.

 

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