An electrode including a fluoropolyether group-containing compound, wherein the fluoropolyether group-containing compound is a fluoropolyether group-containing compound represented by the following formula (1) or (2): RF1α—XARSiβ  (1) RSiγ—XA—RF2—XA—RSiγ  (2) ; an electrochemical device including the electrode; a module including the electrochemical device; and a lithium ion secondary battery including the electrode.