Template electrode structures for depositing active materials
First Claim
1. A method of fabricating a lithium ion cell electrode for use in a lithium ion cell, the method comprising:
- receiving a substrate;
forming a nanostructured template comprising a metal silicide on a surface of the substrate; and
forming a layer of an electrochemically active material on the nanostructured template, the electrochemically active material configured to take in and release lithium ions during cycling of the lithium ion cell,wherein the nanostructured template facilitates conduction of electrical current to and from the electrochemically active material.
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Accused Products
Abstract
Provided are examples of electrochemically active electrode materials, electrodes using such materials, and methods of manufacturing such electrodes. Electrochemically active electrode materials may include a high surface area template containing a metal silicide and a layer of high capacity active material deposited over the template. The template may serve as a mechanical support for the active material and/or an electrical conductor between the active material and, for example, a substrate. Due to the high surface area of the template, even a thin layer of the active material can provide sufficient active material loading and corresponding battery capacity. As such, a thickness of the layer may be maintained below the fracture threshold of the active material used and preserve its structural integrity during battery cycling.
117 Citations
17 Claims
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1. A method of fabricating a lithium ion cell electrode for use in a lithium ion cell, the method comprising:
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receiving a substrate; forming a nanostructured template comprising a metal silicide on a surface of the substrate; and forming a layer of an electrochemically active material on the nanostructured template, the electrochemically active material configured to take in and release lithium ions during cycling of the lithium ion cell, wherein the nanostructured template facilitates conduction of electrical current to and from the electrochemically active material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification