New insights into Li distribution in the superionic argyrodite Li6PS5Cl

Enyue Zhao; Lunhua He; Zhigang Zhang; Jean-Marie Doux; Darren H. S. Tan; Erik A. Wu; Grayson Deysher; Yu-Ting Chen; Jinkui Zhao; Fangwei Wang; Ying Shirley Meng

doi:10.1039/D1CC03083C

New insights into Li distribution in the superionic argyrodite Li₆PS₅Cl†

Enyue Zhao,

^ab Lunhua He,^bc Zhigang Zhang,^b Jean-Marie Doux,

^a Darren H. S. Tan,^a Erik A. Wu,^a Grayson Deysher,^d Yu-Ting Chen,^d Jinkui Zhao,^b Fangwei Wang^bc and Ying Shirley Meng

*^ade

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* Corresponding authors

^a Department of NanoEngineering, University of California San Diego, La Jolla, CA 92093, USA
E-mail: shirleymeng@ucsd.edu

^b Songshan Lake Materials Laboratory, Dongguan 523808, P. R. China

^c Spallation Neutron Source Science Center, Dongguan, P. R. China

^d Program of Materials Science and Engineering, University of California San Diego, La Jolla, CA 92093, USA

^e Sustainable Power & Energy Center (SPEC), University of California San Diego, La Jolla, CA 92093, USA

Abstract

By using temperature-dependent neutron powder diffraction combined with maximum entropy method analysis, a previously unreported Li lattice site was discovered in the argyrodite Li₆PS₅Cl solid-state electrolyte. This new finding enables a more complete description of the Li diffusion model in argyrodites, providing structural guidance for designing novel high-conductivity solid-state electrolytes.

Chemical Communications

New insights into Li distribution in the superionic argyrodite Li₆PS₅Cl†

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New insights into Li distribution in the superionic argyrodite Li₆PS₅Cl

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