Positive electrode active material and preparation method thereof, positive electrode plate, secondary battery, battery module, battery pack, and electric apparatus
US-2024429384-A1 · Dec 26, 2024 · US
Nanocomposite battery electrode particles with changing properties
US2019341607A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2019341607-A1 |
| Application number | US-201916457701-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jun 28, 2019 |
| Priority date | Oct 14, 2014 |
| Publication date | Nov 7, 2019 |
| Grant date | — |
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- Title
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Abstract
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Battery electrode compositions and methods of fabrication are provided that utilize composite particles. Each of the composite particles may comprise, for example, a high-capacity active material and a porous, electrically-conductive scaffolding matrix material. The active material may store and release ions during battery operation, and may exhibit (i) a specific capacity of at least 220 mAh/g as a cathode active material or (ii) a specific capacity of at least 400 mAh/g as an anode active material. The active material may be disposed in the pores of the scaffolding matrix material. According to various designs, each composite particle may exhibit at least one material property that changes from the center to the perimeter of the scaffolding matrix material.
First claim
Opening claim text (preview).
1 . A battery electrode composition comprising composite particles, each composite particle comprising: a high-capacity active material provided to store and release ions during battery operation, wherein the active material exhibits (i) a specific capacity of at least 220 mAh/g as a cathode active material or (ii) a specific capacity of at least 400 mAh/g as an anode active material; and a porous, electrically-conductive scaffolding matrix material within the pores of which the active material is disposed, wherein each composite particle exhibits at least one material property that changes from the center to the perimeter of the scaffolding matrix material.
Assignees
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Classifications
Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries · CPC title
- H01M4/362Primary
Composites · CPC title
Methods of deposition of the material · CPC title
Carbon or graphite · CPC title
Silicon or alloys based on silicon · CPC title
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- What does patent US2019341607A1 cover?
- Battery electrode compositions and methods of fabrication are provided that utilize composite particles. Each of the composite particles may comprise, for example, a high-capacity active material and a porous, electrically-conductive scaffolding matrix material. The active material may store and release ions during battery operation, and may exhibit (i) a specific capacity of at least 220 mAh/g…
- Who is the assignee on this patent?
- Sila Nanotechnologies Inc
- What technology area does this patent fall under?
- Primary CPC classification H01M4/362. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Nov 07 2019 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). 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).