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A new ultrafast superionic Li-conductor: ion dynamics in Li11Si2PS12and comparison with other tetragonal LGPS-type electrolytes
2014
Physical Chemistry, Chemical Physics - PCCP
We report on a new ultrafast solid electrolyte of the composition Li 11 Si 2 PS 12 , which exhibits a higher roomtemperature Li ion diffusivity than the present record holder Li 10 GeP 2 S 12 . We discuss the high-pressure synthesis and ion dynamics of tetragonal Li 11 Si 2 PS 12 , and comparison is made with our investigations of related members of the LMePS family, i.e. electrolytes of the general formula Li 11Àx Me 2Àx P 1+x S 12 with Me = Ge, Sn : Li 10 GeP 2 S 12 , Li 7 GePS 8 , Li 10 SnP
doi:10.1039/c4cp02046d
pmid:24916653
fatcat:mnobapmzuzhnjoqzo6tl32uhue