ArticleScience advances2025
Galvanostatic cycling of a micron-sized solid-state battery: Visually linking void evolution to electrochemistry.
Article in Science advances, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Axially coordinated single-atom interface mitigates isolated K toward highly reversible anode-free K metal batteries.Science advances · 2026Article
- Dynamic Anion Space Gradient Distribution Drives Wide-Temperature-Range All-Solid-State Lithium-Ion Batteries.Angewandte Chemie (International ed. in English) · 2026Article
- Elimination of detrimental grain boundary segregation in garnets.Nature communications · 2026Article
- Formation, Growth, and Shrinkage of Voids in Lithium Metal in Contact With an LLZO Electrolyte.ACS applied materials & interfaces · 2025Article
- Evolution of Pore Volume During Stripping of Lithium Metal in Solid-State Batteries Observed with Operando Dilatometry.Small (Weinheim an der Bergstrasse, Germany) · 2025Article
Corrections and comments
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Authors and funding
11 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The formation of interface voids, peculiar to the solid-solid contact between metal anodes and solid electrolytes (SEs), has become a fundamental obstacle for developing practical lithium metal solid-state batteries (SSBs). Addressing this issue requires the operando observation of void evolution with high spatio-temporal resolution and the direct linkage of voids to solid-state electrochemistry. Here, we present such an attempt by visualizing both the stripping and plating interfaces of a micron-sized SSB cycled in galvanostatic mode in a transmission electron microscope. Various voltage responses in the charge/discharge curves are well correlated to the nucleation, growth, and refilling of single voids. Notably, two distinct modes of Li stripping, namely, void-growth stripping and void-free stripping, are experimentally identified. We unveil the roles of stack pressure and current density on void evolutions, which suggests a mechanism of void suppression without involving plastic deformation of Li metal. Furthermore, Li|SE|Li symmetric SSBs enabling repeated void-free cycling without stack pressure are in situ demonstrated.
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Registered trials
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