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  • Ex situ growth of purely ionic layers onto lithium surfaces using a simple low temperature thermochemical approach
  • Avoids co-inclusion of reduced electrolyte (solvent and salt) products into the solid electrolyte interphase (SEI) of a lithium electrode
  • Coated electrode exhibits up to 5-fold improvement (~50 hrs) in cell lifetime
  • Fixed composition of SEI with materials that are already thermodynamically stable against lithium
  • Use of industry-friendly gases to chemically manipulate the lithium SEI