Researchers use magnesium salt electrolyte additive to suppress growth of Li dendrites; more work needed to enhance Coulombic efficiency
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FEBRUARY 24, 2018
Researchers from Shinshu University in Japan have developed a method to suppress the growth of lithium dendrites in Li-S and Li-air batteries. As reported in a paper in the RSC journal Physical Chemistry Chemical Physics , they used magnesium bis(trifluoromethanesulfonyl)amide [Mg(TFSA) 2 ] as an electrolyte additive to suppress the growth of Li dendrites, leveraging the occurrence of an alloying reaction between the initially substrate-deposited Mg and the subsequently deposited Li.
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