Electrode composite material, lithium-ion battery, and production method for lithium-ion battery

US2025038175A1 · US · A1

Patent metadata
FieldValue
Publication numberUS-2025038175-A1
Application numberUS-202418758666-A
CountryUS
Kind codeA1
Filing dateJun 28, 2024
Priority dateJul 28, 2023
Publication dateJan 30, 2025
Grant date

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

An electrode composite material in the present disclosure includes a silicon clathrate particle and an amorphous silicon particle, and satisfies the following relational expression: 0 atom %<the number of silicon atoms in the amorphous silicon particle/(the number of silicon atoms in the amorphous silicon particle+the number of silicon atoms in the silicon clathrate particle)<50 atom %. A lithium-ion battery in the present disclosure includes an electrode active material layer, and the electrode active material layer contains the electrode composite material in the present disclosure. Further, a production method for a lithium-ion battery in the present disclosure includes forming an electrode active material layer, and the electrode active material layer contains the electrode composite material in the present disclosure.

First claim

Opening claim text (preview).

What is claimed is: 1 . An electrode composite material including a silicon clathrate particle and an amorphous silicon particle, the electrode composite material satisfying a following relational expression: 0 atom %<the number of silicon atoms in the amorphous silicon particle/(the number of silicon atoms in the amorphous silicon particle+the number of silicon atoms in the silicon clathrate particle)<50 atom %. 2 . The electrode composite material according to claim 1 , the electrode composite material satisfying a following relational expression: 0 atom %<the number of silicon atoms in the amorphous silicon particle/(the number of silicon atoms in the amorphous silicon particle+the number of silicon atoms in the silicon clathrate particle)≤30 atom %. 3 . The electrode composite material according to claim 1 , wherein the amorphous silicon particle is a porous amorphous silicon particle. 4 . A lithium-ion battery comprising an electrode active material layer, wherein the electrode active material layer contains the electrode composite material according to claim 1 . 5 . A production method for a lithium-ion battery, comprising forming an electrode active material layer, wherein the electrode active material layer contains the electrode composite material according to claim 1 . 6 . A method comprising forming an electrode active material layer by a method including: providing an electrode composite material slurry that contains the electrode composite material according to claim 1 and a dispersion medium; and forming the electrode active material layer by applying the electrode composite material slurry on a base material and removing the dispersion medium by drying.

Assignees

Inventors

Classifications

  • Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries · CPC title

  • H01M10/058Primary

    Construction or manufacture · CPC title

  • Methods of deposition of the material · CPC title

  • Silicon or alloys based on silicon · CPC title

  • H01M4/628Primary

    Inhibitors, e.g. gassing inhibitors, corrosion inhibitors · CPC title

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What does patent US2025038175A1 cover?
An electrode composite material in the present disclosure includes a silicon clathrate particle and an amorphous silicon particle, and satisfies the following relational expression: 0 atom %<the number of silicon atoms in the amorphous silicon particle/(the number of silicon atoms in the amorphous silicon particle+the number of silicon atoms in the silicon clathrate particle)<50 atom %. A lithi…
Who is the assignee on this patent?
Toyota Motor Co Ltd
What technology area does this patent fall under?
Primary CPC classification H01M10/058. Mapped technology areas include Electricity.
When was this patent published?
Publication date Thu Jan 30 2025 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).