Differences in the Interfacial Mechanical Properties of Thiophosphate and Argyrodite Solid Electrolytes and Their Composites

Marm Dixit; Nitin Muralidharan; Anand Parejiya; Charl Jafta; Zhijia Du; Sabine M. Neumayer; Rachid Essehli; Ruhul Amin; Mahalingam Balasubramanian; Ilias Belharouak

doi:10.1021/acsami.2c10589

Differences in the Interfacial Mechanical Properties of Thiophosphate and Argyrodite Solid Electrolytes and Their Composites

Marm Dixit, Nitin Muralidharan, Anand Parejiya, Charl Jafta, Zhijia Du, Sabine M. Neumayer, Rachid Essehli, Ruhul Amin, Mahalingam Balasubramanian, Ilias Belharouak

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

Interfacial mechanics are a significant contributor to the performance and degradation of solid-state batteries. Spatially resolved measurements of interfacial properties are extremely important to effectively model and understand the electrochemical behavior. Herein, we report the interfacial properties of thiophosphate (Li₃PS₄)-and argyrodite (Li₆PS₅Cl)-Type solid electrolytes. Using atomic force microscopy, we showcase the differences in the surface morphology as well as adhesion of these materials. We also investigate solvent-less processing of hybrid electrolytes using UV-Assisted curing. Physical, chemical, and structural characterizations of the materials highlight the differences in the surface morphology, chemical makeup, and distribution of the inorganic phases between the argyrodite and thiophosphate solid electrolytes.

Original language	English
Pages (from-to)	44292-44302
Number of pages	11
Journal	ACS Applied Materials and Interfaces
Volume	14
Issue number	39
DOIs	https://doi.org/10.1021/acsami.2c10589
State	Published - Oct 5 2022

Funding

This research at Oak Ridge National Laboratory, managed by UT Battelle, LLC, for the US Department of Energy (DOE) under contract DE-AC05-00OR22725, was sponsored by the Laboratory-Directed Research and Development (LDRD) Program at Oak Ridge National Laboratory and the Office of Energy Efficiency and Renewable Energy (EERE) Vehicle Technologies Office (VTO) (Deputy Director: David Howell) Applied Battery Research subprogram (Program Manager: Peter Faguy). M.B.D. was also supported by an Alvin M. Weinberg Fellowship at the Oak Ridge National Laboratory. Atomic force microscopy was conducted as part of a user project at the Center for Nanophase Materials Sciences (CNMS), which is a US Department of Energy, Office of Science User Facility at the Oak Ridge National Laboratory.

Funders	Funder number
U.S. Department of Energy	DE-AC05-00OR22725
Office of Energy Efficiency and Renewable Energy
Oak Ridge National Laboratory
Laboratory Directed Research and Development
Vehicle Technologies Office
UT-Battelle

Keywords

AFM
Argyrodite
Interface
Mechanical properties
Solid electrolyte
Thiophosphate

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10.1021/acsami.2c10589

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Dixit, M., Muralidharan, N., Parejiya, A., Jafta, C., Du, Z., Neumayer, S. M., Essehli, R., Amin, R., Balasubramanian, M., & Belharouak, I. (2022). Differences in the Interfacial Mechanical Properties of Thiophosphate and Argyrodite Solid Electrolytes and Their Composites. ACS Applied Materials and Interfaces, 14(39), 44292-44302. https://doi.org/10.1021/acsami.2c10589

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abstract = "Interfacial mechanics are a significant contributor to the performance and degradation of solid-state batteries. Spatially resolved measurements of interfacial properties are extremely important to effectively model and understand the electrochemical behavior. Herein, we report the interfacial properties of thiophosphate (Li3PS4)-and argyrodite (Li6PS5Cl)-Type solid electrolytes. Using atomic force microscopy, we showcase the differences in the surface morphology as well as adhesion of these materials. We also investigate solvent-less processing of hybrid electrolytes using UV-Assisted curing. Physical, chemical, and structural characterizations of the materials highlight the differences in the surface morphology, chemical makeup, and distribution of the inorganic phases between the argyrodite and thiophosphate solid electrolytes.",

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Dixit, M, Muralidharan, N, Parejiya, A, Jafta, C, Du, Z, Neumayer, SM, Essehli, R, Amin, R, Balasubramanian, M & Belharouak, I 2022, 'Differences in the Interfacial Mechanical Properties of Thiophosphate and Argyrodite Solid Electrolytes and Their Composites', ACS Applied Materials and Interfaces, vol. 14, no. 39, pp. 44292-44302. https://doi.org/10.1021/acsami.2c10589

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AU - Dixit, Marm

AU - Muralidharan, Nitin

AU - Parejiya, Anand

AU - Jafta, Charl

AU - Du, Zhijia

AU - Neumayer, Sabine M.

AU - Essehli, Rachid

AU - Amin, Ruhul

AU - Balasubramanian, Mahalingam

AU - Belharouak, Ilias

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AB - Interfacial mechanics are a significant contributor to the performance and degradation of solid-state batteries. Spatially resolved measurements of interfacial properties are extremely important to effectively model and understand the electrochemical behavior. Herein, we report the interfacial properties of thiophosphate (Li3PS4)-and argyrodite (Li6PS5Cl)-Type solid electrolytes. Using atomic force microscopy, we showcase the differences in the surface morphology as well as adhesion of these materials. We also investigate solvent-less processing of hybrid electrolytes using UV-Assisted curing. Physical, chemical, and structural characterizations of the materials highlight the differences in the surface morphology, chemical makeup, and distribution of the inorganic phases between the argyrodite and thiophosphate solid electrolytes.

KW - AFM

KW - Argyrodite

KW - Interface

KW - Mechanical properties

KW - Solid electrolyte

KW - Thiophosphate

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Differences in the Interfacial Mechanical Properties of Thiophosphate and Argyrodite Solid Electrolytes and Their Composites

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