An Implantable Artificial Protective Layer Enables Stable Sodium Metal Anodes
Source abstract
Abstract
Sodium metal anodes are commonly limited by low Coulombic efficiency and an unstable interface between Na metal and carbonate ester electrolytes. Herein, a freestanding and implantable artificial protective layer with strong mechanical rigidity is reported as a feasible strategy to suppress the dendrite and stabilize the interface, which realizes a high Coulombic efficiency of ∼96% in a carbonate-based electrolyte. Furthermore, the freestanding implantable protective layer enables good cycling performance for the sodium metal battery with only 300% Na metal anode excess under high voltage. This work highlights the importance of the rational design of the interface for high-voltage sodium metal batteries.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced Battery Materials and Technologies · Advancements in Battery Materials · Inorganic Chemistry and Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Hefei National Laboratory for Physical Science at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
Funding
Ministry of Education of the People's Republic of China · Ministry of Science and Technology of the People's Republic of China · National Natural Science Foundation of China · Natural Science Foundation of Anhui Province
References (42)
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