Journal
ADVANCED ENERGY MATERIALS
Volume 7, Issue 2, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.201601526
Keywords
Al2O3; artificial solid electrolyte interphase; coating; high stability; low temperature PEALD; Na metal anodes; Na-ion-batteries
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Funding
- Nanostructures for Electrical Energy Storage (NEES), an Energy Frontier Research Center - U.S. Department of Energy, Office of Science, Basic Energy Sciences [DESC0001160]
- Maryland Nanocenter and its Fablab
- AIMLab
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A stable Na metal anodeis is reported by forming an artificial solid electrolyte interphase via a low-temperature plasma-enhanced atomic layer deposition technology. It is discovered that an ultrathin layer of Al2O3 layer (2.8 nm) can protect Na metal from electrolyte decomposition, prevent 3D dendrite formation, and significantly enhance its cycle stability in a carbonate-based electrolyte.
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