DataVXChemistry of MaterialsPaper
journal article·2025-04-08

LiI-Modified Glass-Ceramic Lithium Thioborate: From Fundamentals to Applications in Solid-State Batteries

Sarah E. Holmes, Jędrzej Kondek, Pu Zhang, Vasiliki Faka, Jon A. Newnham, Lara M. Gronych, Michael Ryan Hansen, Wolfgang G. Zeier, Yi Cui

Chemistry of Materials· Volume 37· Issue 7
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Source abstract

Abstract

Solid-state batteries are an emerging battery technology rivaling lithium-ion batteries, but before commercialization can occur, new classes of solid-state electrolytes (SSEs) must be investigated to better understand the fundamental properties of these materials and to extend the capabilities of fast charging and cycle life. In this work, we investigate glass-ceramic lithium thioborate (LBS) SSEs with the stoichiometry of Li 10 B 10 S 20 and utilize a rapid synthesis that enables lithium iodide (LiI) modification in Li 10 B 10 S 20 . We study the structures of four materials with varying amounts of LiI using X-ray diffraction, pair distribution function, and solid-state NMR and find that LiI breaks down the B 10 S 20 supertetrahedra that make up the unit cell of Li 10 B 10 S 20 . More LiI increases ionic conductivity by increasing the unit cell volume and the fraction of the glassy phase in the electrolyte. LiI-modified Li 10 B 10 S 20 as an anode-facing SSE enables all-solid-state batteries to cycle well with theoretical capacities up 6.37 mAh/cm 2 at 0.1C, validating the relevance of LBS SSEs as separators for solid-state batteries.
Source: openalex_inverted_index · Quality: baseline

Research context

Energy storageCeramics & glasses

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Inorganic Chemistry and Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Chemistry

Stanford University

Institute of Physical Chemistry, University of Münster, Corrensstrasse 28, Münster 48149, Germany

Institute of Inorganic and Analytical Chemistry, University of Münster, Corrensstrasse 28/30, Münster 48149, Germany

International Graduate School for Battery Chemistry, Characterization, Analysis, Recycling and Application (BACCARA)

Universität Münster

Department of Materials Science and Engineering

Institute of Energy Materials and Devices (IMD), IMD 4: Helmholtz-Institut Münster Ionics in Energy Storage

Forschungszentrum Jülich GmbH

Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, United States

Funding

Bundesministerium f?r Bildung und Forschung · Deutsche Forschungsgemeinschaft · Vehicle Technologies Office · National Science Foundation · Chevron

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