IN-SITU POLYMERIZED POLYMER ELECTROLYTE FOR LITHIUM ION BATTERIES

Monomers for preparing a polymer electrolyte precursor composition capable to form an in-situ polymerized polymer electrolyte, which comprise, consist essentially of, or consist of A1) a first monomer and A2) a second monomer. A polymer electrolyte precursor raw material composition, a polymer electrolyte precursor composition capable to form a polymer electrolyte comprising the monomers, a polymer electrolyte and an electrochemical device are also provided.