Lithiophilic coating based on Ge nanowires for enhancement of the Coulombic efficiency of lithium deposition/dissolution

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Abstract
The cycle life of anode-free lithium batteries is limited by low Coulombic efficiency (CE) of Li deposition/dissolution on the negative current collector due to dendrite growth and poor lithiophilicity of conventional Ti. Here, we applied a highly lithiophilic coating of 2.5 μm thick germanium nanowires (NWs) onto a Ti current collector, which reduced the Li nucleation overpotential from 109 to 22 mV and increased the initial CE from 70
Funding Information
  • Russian Science Foundation (25-79-10341)

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