Boosting high initial coulombic efficiency of hard carbon by in-situ electrochemical presodiation
Journal of Energy Chemistry（2023）
Abstract
When HC particles are contacting with DME-based ether electrolyte containing Na-Bp additive, the electrolyte and additive would spontaneously decompose and form a SEI on the particle surface. Meanwhile, Na+ are absorbed into HC particles.
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Key words
Hard carbon,In situ presodiation,Initial coulombic efficiency,Solid electrolyte interface,Sodium-ion batteries
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