Anode for lithium metal battery, and electrochemical device comprising same
US-12176528-B2 · Dec 24, 2024 · US
Anode material having a uniform metal-semiconductor alloy layer
US9105905B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9105905-B2 |
| Application number | US-201313755173-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 31, 2013 |
| Priority date | Apr 17, 2008 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
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The present invention relates to methods for producing anode materials for use in nonaqueous electrolyte secondary batteries. In the present invention, a metal-semiconductor alloy layer is formed on an anode material by contacting a portion of the anode material with a solution containing metals ions and a dissolution component. When the anode material is contacted with the solution, the dissolution component dissolves a part of the semiconductor material in the anode material and deposit the metal on the anode material. After deposition, the anode material and metal are annealed to form a uniform metal-semiconductor alloy layer. The anode material of the present invention can be in a monolithic form or a particle form. When the anode material is in a particle form, the particulate anode material can be further shaped and sintered to agglomerate the particulate anode material.
First claim
Opening claim text (preview).
What is claimed is: 1. A secondary battery comprising an anode, a cathode and a non-aqueous electrolyte, the anode comprising a monolithic porous mass of a sintered particulate material wherein the particulate material comprises a semiconductor material core and a metal-semiconductor alloy layer thereon and has a diameter of about 0.001 micrometers to 100 micrometers, the volume of the metal-semiconductor alloy layer is about 0.1% to 5% of the total particle volume and the metal-se…
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Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US9105905B2 cover?
- The present invention relates to methods for producing anode materials for use in nonaqueous electrolyte secondary batteries. In the present invention, a metal-semiconductor alloy layer is formed on an anode material by contacting a portion of the anode material with a solution containing metals ions and a dissolution component. When the anode material is contacted with the solution, the dissol…
- Who is the assignee on this patent?
- Enovix Corp
- What technology area does this patent fall under?
- Primary CPC classification H01M4/134. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Aug 11 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).