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journal article·2023-06Open access

Surface Oxygen Vacancy Inducing Li‐Ion‐Conducting Percolation Network in Composite Solid Electrolytes for All‐Solid‐State Lithium‐Metal Batteries (Small 22/2023)

Heejun Yun, Jinil Cho, Seokgyu Ryu, Seonmi Pyo, Heebae Kim, Jeewon Lee, Byeongyun Min, Yong Hyun Cho, Harim Seo, Jeeyoung Yoo, Youn Sang Kim

Small· Volume 19· Issue 22
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Source abstract

Abstract

All-Solid-State Lithium-Metal Batteries In article number 2207223, Jeeyoung Yoo, Youn Sang Kim, and co-workers present an all-solid-state lithium-metal battery with composite solid electrolyte. Specifically, the oxygen vacancy-rich indium tin oxide (ITO) nanoparticles (green-colored) induce the Li-ion conducting percolation network (red-colored) at the ITO-poly(ethylene oxide) (PEO) interface. The oxygen vacancy enables fast movement of Li-ions in the interface network. This phenomenon suggests that the vacancy engineering of filler holds strong promise for developing advanced all-solid-state batteries.
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Research context

Energy storageNanomaterialsComposites

OpenAlex topics: Advanced Battery Materials and Technologies · Advancements in Battery Materials · Advanced Battery Technologies Research

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Affiliations

Program in Nano Science and Technology Graduate School of Convergence Science and Technology Seoul National University Seoul 08826 Republic of Korea

School of Energy Engineering Kyungpook National University Daegu 41566 Republic of Korea

Department of Chemical and Biological Engineering and Institute of Chemical Processes College of Engineering Seoul National University Seoul 08826 Republic of Korea

Advanced Institute of Convergence Technology Suwon 16229 Republic of Korea

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