SILICON-BASED ENERGY STORAGE DEVICES WITH ELECTROLYTE CONTAINING CROWN ETHER BASED COMPOUNDS

Electrolytes and electrolyte additives for energy storage devices comprising crown ether based compounds are disclosed. The energy storage device comprises a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, an electrolyte comprising at least two electrolyte co-solvents, wherein at least one electrolyte co-solvent comprises a crown ether based compound.