THIN FILM COMPOSITE ELECTROLYTE

摘要

The invention is a thin film composite solid (and a means for making such) suitable for use as an electrolyte, having a first layer of a dense, non-porous conductive material (2); a second layer of a porous ionic conductive material (1); and a third layer of a dense non-porous conductive material (3), wherein the second layer has a Coefficient of thermal expansion within 5% of the coefficient of thermal expansion of the first and third layers.