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Electrode layer and battery
US2026038822A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2026038822-A1 |
| Application number | US-202519276363-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jul 22, 2025 |
| Priority date | Jul 30, 2024 |
| Publication date | Feb 5, 2026 |
| Grant date | — |
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Abstract
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An electrode layer that an increase in resistance which is due to charging and discharging is small, the electrode layer comprises an electrode active material, a solid electrolyte containing a halogen element, and at least one solvent component, and a product (AB) where (A) is a % by mass of the solvent component in the electrode layer and (B) is a δ p value of Hansen Solubility Parameters (HSP) of the solvent component, is less than 3.6832.
First claim
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1 . An electrode layer, wherein the electrode layer comprises an electrode active material, a solid electrolyte containing a halogen element, and at least one solvent component, and wherein a product (AB) where (A) is a % by mass of the solvent component in the electrode layer and (B) is a δ p value of Hansen Solubility Parameters (HSP) of the solvent component, is less than 3.6832. 2 . The electrode layer according to claim 1 , wherein the electrode active material is a Si-based active material. 3 . The electrode layer according to claim 2 , wherein the electrode active material has a Si clathrate-type crystal phase. 4 . The electrode layer according to claim 1 , wherein a value of the (A) is less than 0.736% by mass. 5 . The electrode layer according to claim 1 , wherein the electrode layer comprises, as the solvent component, two or more solvent components having different δ p values. 6 . The electrode layer according to claim 1 , wherein the solvent component has a C═O bond. 7 . The electrode layer according to claim 1 , wherein the electrode layer comprises, as the solvent component, at least any one of tetralin and diisobutyl ketone. 8 . The electrode layer according to claim 1 , wherein the solid electrolyte is a sulfide solid electrolyte. 9 . A battery comprising a cathode layer, an electrolyte layer and an anode layer in this order, wherein the anode layer is the electrode layer defined by claim 1 . 10 . The battery according to claim 9 , wherein the electrolyte layer comprises a solid electrolyte.
Assignees
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Classifications
Selection of inactive substances as ingredients for active masses, e.g. binders, fillers · CPC title
- H01M4/13Primary
Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof · CPC title
- H01M4/386Primary
Silicon or alloys based on silicon · CPC title
Energy storage using batteries · CPC title
Negative electrodes · CPC title
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- What does patent US2026038822A1 cover?
- An electrode layer that an increase in resistance which is due to charging and discharging is small, the electrode layer comprises an electrode active material, a solid electrolyte containing a halogen element, and at least one solvent component, and a product (AB) where (A) is a % by mass of the solvent component in the electrode layer and (B) is a δ p value of Hansen Solubility Parameters (H…
- Who is the assignee on this patent?
- Toyota Motor Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01M4/13. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Feb 05 2026 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).