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Dendrite-Free Lithium Metal Battery by Deformation-Induced Potential Shielding
Dendrite-Free Lithium Metal Battery by Deformation-Induced Potential Shielding
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机译：无树突形锂金属电池的变形诱导电位屏蔽
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摘要
Disclosed are a system and methods for preventing dendrite growth in an electrochemical cell through the use of a protective layer. The electrochemical cell may comprise an anode, a cathode, an electrolyte, and a protective layer, wherein the protective layer is capable of producing a voltage. The voltage produced can selectively shield metal ions from certain regions of the protective layer. This shielding can result in a more uniform flux of metal ions being transferred across the electrode-electrolyte interface in subsequent electrodeposition and electrodissolution processes. As a result, an electrode with such a protective layer can exhibit improved performance and durability, including markedly lower overpotentials and largely improved metal (e.g., lithium) retention.
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