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Hyunwon Chu

As seen in: Nature
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Articles

Charged grain boundaries limit short-circuit endurance in garnet solid-state battery electrolytes

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By Thomas Defferriere, Waldemar Kaiser, Lukas M. Wolz, Fran Kurnia, Kun Joong Kim, Willis O’Leary, Thomas Altantzis, Johan Verbeeck, David Egger, Sara Bals, Johanna Eichhorn, Harry L. Tuller, Jennifer L. M. Rupp, Hyunwon Chu, Proloy Nandi
| Nature Verified
Abstract Grain boundaries in lithium lanthanum zirconate solid-state electrolytes feature elevated electronic conduction and act as preferential sites for the nucleation of electrically isolated lithium metal during galvanostatic cycling in battery cells. However, the origin of local electronic conductivity variations remains unresolved.
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