Effects of Interfacial Solvation Structures on the Morphological Stability of Potassium Metal Anodes Revealed by Operando Diagnosis
Source abstract
Abstract
Rechargeable potassium (K) metal batteries have been considered promising candidates for low-cost energy storage. However, they suffer from severe side reactions and the poor morphological stability of the metal anode that jeopardize cell safety and cycle life. Here, we report a whisker-free nonporous K metal anode with superior morphological stability that can self-modulate into ingot-type deposits on a standard current collector. Comparative investigations confirm the importance of interfacial solvation structures in achieving the ideal morphological stability and facile charge transfer kinetics. Further operando diagnosis revealed that the electrochemically refined K metal anode can enable stable K metal full-cell cycling.
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 Energy, Environmental & Chemical Engineering, Washington University in St. Louis, St. Louis, Missouri 63130, United States
Institute of Materials Science and Engineering, Washington University in St. Louis, St. Louis, Missouri 63130, United States
Funding
Division of Chemical, Bioengineering, Environmental, and Transport Systems
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