Anode for lithium metal battery, and electrochemical device comprising same
US-12176528-B2 · Dec 24, 2024 · US
Porous silicon nanostructured electrode and method
US10756330B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10756330-B2 |
| Application number | US-201515320688-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 19, 2015 |
| Priority date | Jun 20, 2014 |
| Publication date | Aug 25, 2020 |
| Grant date | Aug 25, 2020 |
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Abstract
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A silicon based micro-structured material and methods are shown. In one example, the silicon based micro-structured material is used as an electrode in a battery, such as a lithium ion battery. A battery, comprising: a first electrode, including a number of porous silicon spheres; a second electrode; and an electrolyte in contact with both the first electrode and the second electrode.
First claim
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What is claimed is: 1. A battery, comprising: a first electrode, including a number of monodisperse porous silicon spheres, wherein the first electrode includes 20% conductive additive mixed with the monodisperse porous silicon spheres, the conductive additive includes 2% by weight carbon nanotubes in carbon black; a second electrode; and an electrolyte in contact with both the first electrode and the second electrode. 2. The battery of claim 1 , wherein the second electrode includes lithium metal. 3. The battery of claim 1 , wherein the electrolyte includes a mixture of LiPF 6 , ethylene carbonate and dimethyl carbonate. 4. The battery of claim 1 , wherein the monodisperse porous silicon spheres are between approximately 0.05 micrometer and 2.00 micrometer in diameter. 5. The battery of claim 1 , wherein the monodisperse porous silicon spheres are approximately 200 nanometers in diameter. 6. The battery of claim 1 , wherein the number of monodisperse porous silicon spheres includes substantially crystalline monodisperse porous silicon spheres. 7. The battery of claim 1 , wherein the number of monodisperse porous silicon spheres include a surface area of greater than approximately 200 m 2 g −1 .
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Negative electrodes · CPC title
Mixture of solvents · CPC title
characterised by the solvents · CPC title
Li-accumulators · CPC title
Carbon or graphite · CPC title
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Frequently asked questions
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- What does patent US10756330B2 cover?
- A silicon based micro-structured material and methods are shown. In one example, the silicon based micro-structured material is used as an electrode in a battery, such as a lithium ion battery. A battery, comprising: a first electrode, including a number of porous silicon spheres; a second electrode; and an electrolyte in contact with both the first electrode and the second electrode.
- Who is the assignee on this patent?
- Univ California
- 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 25 2020 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).