Solid-State Batteries with Improved Performance and Reduced Manufacturing Costs and Methods for Forming the Same
First Claim
Patent Images
1. A method for forming a solid-state lithium battery, the method comprising:
- providing a substrate;
forming a diffusion barrier layer above the substrate, wherein the diffusion barrier layer comprises at least one of tantalum, titanium, chromium, molybdenum, zinc, tin, cadmium, or a combination thereof;
forming at least one adhesion layer above the substrate, wherein the at least one adhesion layer is made of a material different than that of the diffusion barrier layer and comprises at least one of titanium, chromium, or a combination thereof;
forming a first current collector above the diffusion barrier layer and the at least one adhesion layer;
forming a first electrode above the first current collector;
forming an electrolyte above the first electrode;
forming a second electrode above the electrolyte; and
forming a second current collector above the second electrode.
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Abstract
Embodiments provided herein describe solid-state lithium batteries and methods for forming such batteries. A layer stack may be formed between a substrate of the batteries and a current collector of the batteries. A texturing may be provided to at least one of the components of the batteries to increase the interfacial area between the components. At least one of conductive metal oxides, conductive metal nitrides, conductive metal carbides, or a combination thereof may be used to form a current collector of the batteries.
20 Citations
20 Claims
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1. A method for forming a solid-state lithium battery, the method comprising:
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providing a substrate; forming a diffusion barrier layer above the substrate, wherein the diffusion barrier layer comprises at least one of tantalum, titanium, chromium, molybdenum, zinc, tin, cadmium, or a combination thereof; forming at least one adhesion layer above the substrate, wherein the at least one adhesion layer is made of a material different than that of the diffusion barrier layer and comprises at least one of titanium, chromium, or a combination thereof; forming a first current collector above the diffusion barrier layer and the at least one adhesion layer; forming a first electrode above the first current collector; forming an electrolyte above the first electrode; forming a second electrode above the electrolyte; and forming a second current collector above the second electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for forming a solid-state lithium battery, the method comprising:
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providing a substrate, wherein the substrate comprises an electrically conductive material; forming a first adhesion layer above the substrate, wherein the first adhesion layer comprises at least one of titanium, chromium, or a combination thereof; forming a diffusion barrier layer above the first adhesion layer, wherein the diffusion barrier layer comprises at least one of tantalum, titanium, chromium, molybdenum, zinc, tin, cadmium, or a combination thereof; forming a second adhesion layer above the diffusion barrier layer, wherein the second adhesion layer comprises at least one of titanium, chromium, or a combination thereof, wherein the first adhesion layer and the second adhesion layer are each made of a material different than that of the diffusion barrier layer; forming a first current collector above the second adhesion layer; forming a first electrode above the first current collector; forming an electrolyte above the first electrode; forming a second electrode above the electrolyte; and forming a second current collector above the second electrode. - View Dependent Claims (12, 13, 14, 15)
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16. A solid-state lithium battery comprising:
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a substrate; a diffusion barrier layer formed above the substrate, wherein the diffusion barrier layer comprises at least one of tantalum, titanium, chromium, molybdenum, zinc, tin, cadmium, or a combination thereof; at least one adhesion layer formed above the substrate, wherein the at least one adhesion layer is made of a material different than that of the diffusion barrier layer and comprises at least one of titanium, chromium, or a combination thereof; a first current collector formed above the diffusion barrier layer and the at least one adhesion layer; a first electrode formed above the first current collector; an electrolyte formed above the first electrode; a second electrode formed above the electrolyte; and a second current collector formed above the second electrode. - View Dependent Claims (17, 18, 19, 20)
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Specification