Journal raind's Journal: Ambri
The three battery layers in the Ambri device are self-segregating, cheap to manufacture, and earth-abundant, according to the firm. The materials used in the original design were magnesium and antimony separated by a salt -- but "we needed higher voltage and lower temperature," said Ambri's CTO, David Bradwell, in a recent presentation, and so the firm developed a new, undisclosed chemistry with the help of ARPA-E funding.
But, as mentioned, a recent paper in Nature suggests that the team has been busy developing a lithium-antimony-lead formulation for grid-level energy storage.
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