Abstract: The present disclosure relates to protected metal anode architecture and method of making the same, providing a protected metal anode architecture comprising a metal anode; and a composite protection film formed over and in direct contact with the metal anode, wherein the metal anode comprises a metal selected from the group consisting of an alkaline metal and an alkaline earth metal, and the composite protection film comprises particles of an inorganic compound dispersed throughout a matrix of an organic compound. The present disclosure also provides a method of forming a protected metal anode architecture.