Methods of Forming a Via and/or Current Collector Trace in a Solid-State Battery

Abstract

Methods of making solid-state battery cells using a sacrificial or conductive via, and related solid-state battery cells, are disclosed. One method includes forming a patterned anode current collector (ACC) layer on a solid-state electrolyte, forming a sacrificial material in a first pattern on the patterned ACC layer, depositing an encapsulant on the sacrificial material and the patterned ACC layer, and irradiating the sacrificial material with a laser sufficiently to ablate the sacrificial material and form openings in the encapsulant exposing each ACC in the patterned ACC layer. The solid-state electrolyte is on a cathode layer, which is in turn on a substrate. The openings in the encapsulant form a pattern substantially corresponding to the first pattern. An alternative method substitutes a non-sacrificial conductive via for the sacrificial material, forming the conductive via in an opening in the encapsulant, or exposing the conductive via through the encapsulant.

Dependencies are inferred from the claim text.