A method of fabricating an electrochemical device, comprising: depositing a first layer of solid state electrolyte material on a first electrode; after said depositing said first layer of solid state electrolyte material, inducing and maintaining a plasma over said first layer of solid state electrolyte material to provide ion bombardment of said first layer of solid state electrolyte material for pinhole reduction in said first layer of solid state electrolyte material; depositing a continuous layer of enhancing material on the ion bombarded surface of said first layer of solid state electrolyte material; depositing a second layer of solid state electrolyte material on said continuous layer of enhancing material; after said depositing said second layer of solid state electrolyte material, inducing and maintaining a plasma over said second layer of solid state electrolyte material to provide ion bombardment of said second layer of solid state electrolyte material for pinhole reduction in said second layer of solid state electrolyte material; repeating said depositing a continuous layer of enhancing material, depositing a second layer of solid state electrolyte material, and inducing and maintaining a plasma over said second layer of electrolyte material steps until a predetermined plurality of parallel continuous layers of enhancing material and plurality of second layers of solid state electrolyte are deposited; wherein said plurality of parallel continuous layers of enhancing material are configured for increasing the ionic conductivity for lithium ion movement through said solid state electrolyte layer. depositing a first layer of solid state electrolyte material on a first electrode; after said depositing said first layer of solid state electrolyte material, inducing and maintaining a plasma over said first layer of solid state electrolyte material to provide ion bombardment of said first layer of solid state electrolyte material for pinhole reduction in said first layer of solid state electrolyte material; depositing a continuous layer of enhancing material on the ion bombarded surface of said first layer of solid state electrolyte material; depositing a second layer of solid state electrolyte material on said continuous layer of enhancing material; after said depositing said second layer of solid state electrolyte material, inducing and maintaining a plasma over said second layer of solid state electrolyte material to provide ion bombardment of said second layer of solid state electrolyte material for pinhole reduction in said second layer of solid state electrolyte material; repeating said depositing a continuous layer of enhancing material, depositing a second layer of solid state electrolyte material, and inducing and maintaining a plasma over said second layer of electrolyte material steps until a predetermined plurality of parallel continuous layers of enhancing material and plurality of second layers of solid state electrolyte are deposited; wherein said plurality of parallel continuous layers of enhancing material are configured for increasing the ionic conductivity for lithium ion movement through said solid state electrolyte layer.