Compatibility of Halide Bilayer Separators for All-Solid-State Batteries
Source abstract
Abstract
Considering the lack of solid electrolytes that are electrochemically stable when in contact with a high-voltage cathode and a low-voltage metallic anode, bilayer separators in all-solid-state batteries are gaining increasing attention. However, previous studies have shown that the chemical reactivity between materials comprising the electrolyte bilayer is one of the contributing factors to the deterioration of battery performance during cycling. Here, we computationally screen the chemical compatibility of an extensive range of materials forming a bilayer separator using first-principles calculations. Notably, several bilayer separators are found to be thermodynamically stable; among them, the stability of the Li 3 PO 4 /Li 3 InCl 6 pairing is further verified experimentally using a combination of X-ray diffraction, solid-state nuclear magnetic resonance, and X-ray photoelectron spectroscopy. This study underscores the importance of understanding the chemical compatibility of bilayer separators when engineering high-energy-density all-solid-state batteries.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Advanced Battery Technologies Research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Electrical and Computer Engineering, University of Houston, Houston, Texas 77204, United States
Texas Center for Superconductivity, University of Houston, Houston, Texas 77204, United States
Materials Department, University of California Santa Barbara, Santa Barbara, California 93106, United States
Materials Research Laboratory, University of California Santa Barbara, Santa Barbara, California 93106, United States
Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore
Funding
National Science Foundation Graduate Research Fellowship Program · Welch Foundation · University of California, Santa Barbara · National Research Foundation Singapore · California NanoSystems Institute · Division of Materials Research · LG Energy Solution-LG Energy Solution?UC San Diego Frontier Research Laboratory
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