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
Electrode mixture and lithium-ion battery
US2024363855A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2024363855-A1 |
| Application number | US-202418597301-A |
| Country | US |
| Kind code | A1 |
| Filing date | Mar 6, 2024 |
| Priority date | Apr 26, 2023 |
| Publication date | Oct 31, 2024 |
| Grant date | — |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
The present disclosure provides an electrode mixture having low expansion during charging and a lithium-ion battery comprising such an electrode mixture. The electrode mixture of the present disclosure comprises silicon clathrate active material particles and aluminum fluoride particles, and an average particle size of the aluminum fluoride particles is 3.0 μm or less. The lithium-ion battery of the present disclosure comprises an electrode active material layer, and the electrode active material layer contains the electrode mixture of the present disclosure.
First claim
Opening claim text (preview).
1 . An electrode mixture, comprising silicon clathrate active material particles and aluminum fluoride particles, wherein an average particle size of the aluminum fluoride particles is 3.0 μm or less. 2 . The electrode mixture according to claim 1 , wherein an average particle size of the aluminum fluoride particles is 0.1 μm or more and 2.5 μm or less. 3 . The electrode mixture according to claim 2 , wherein the average particle size of the aluminum fluoride particles is 0.8 μm or more and 1.8 μm or less. 4 . The electrode mixture according to any one of claim 1 , wherein a ratio of the average particle size of the aluminum fluoride particles relative to an average particle size of the silicon clathrate active material particles is 2.5 or less. 5 . The electrode mixture according to any one of claim 1 , wherein a ratio of a content of the aluminum fluoride particles relative to a content of the silicon clathrate active material particles is less than 2.0% by area when a cross-sectional observation by SEM-EDX measurement is carried out on the electrode mixture. 6 . A lithium-ion battery, comprising an electrode active material layer, wherein the electrode active material layer contains the electrode mixture according to any one of claim 1 .
Assignees
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Classifications
Physical characteristics, e.g. porosity, surface area · CPC title
Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries · CPC title
Inhibitors, e.g. gassing inhibitors, corrosion inhibitors · CPC title
Selection of inactive substances as ingredients for active masses, e.g. binders, fillers · CPC title
Silicon or alloys based on silicon · CPC title
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- What does patent US2024363855A1 cover?
- The present disclosure provides an electrode mixture having low expansion during charging and a lithium-ion battery comprising such an electrode mixture. The electrode mixture of the present disclosure comprises silicon clathrate active material particles and aluminum fluoride particles, and an average particle size of the aluminum fluoride particles is 3.0 μm or less. The lithium-ion battery o…
- Who is the assignee on this patent?
- Toyota Motor Co Ltd
- 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 Oct 31 2024 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).