Anode for lithium metal battery, and electrochemical device comprising same
US-12176528-B2 · Dec 24, 2024 · US
Non-aqueous electrolyte secondary battery negative electrode and non-aqueous electrolyte secondary battery including same
US2022013783A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2022013783-A1 |
| Application number | US-202117368764-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jul 6, 2021 |
| Priority date | Jul 9, 2020 |
| Publication date | Jan 13, 2022 |
| Grant date | — |
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- Title
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Abstract
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An object is to provide a non-aqueous electrolyte secondary battery negative electrode that can suppress a deterioration in durability and improve energy density, and a non-aqueous electrolyte secondary battery including the same. A non-aqueous electrolyte secondary battery negative electrode, comprising: a collector formed of a porous metal body, and a negative electrode material disposed in pores of the porous metal body, wherein the negative electrode material comprises a negative electrode active material formed of a silicon-based material, a skeleton-forming agent comprising a silicate having a siloxane bond, a conductivity aid, and a binder.
First claim
Opening claim text (preview).
What is claimed is: 1 . A non-aqueous electrolyte secondary battery negative electrode, comprising: a collector formed of a porous metal body, and a negative electrode material disposed in pores of the porous metal body, wherein the negative electrode material comprises a negative electrode active material formed of a silicon-based material, a skeleton-forming agent comprising a silicate having a siloxane bond, a conductivity aid, and a binder. 2 . The non-aqueous electrolyte secondary battery negative electrode according to claim 1 , wherein the skeleton-forming agent comprises a silicate represented by general formula (1) below, and [Chem. 1] A 2 O. n SiO 2 formula (1) wherein A represents an alkali metal. 3 . The non-aqueous electrolyte secondary battery negative electrode according to claim 1 , wherein a thickness of the non-aqueous electrolyte secondary battery negative electrode is 50 μm to 1,000 μm. 4 . The non-aqueous electrolyte secondary battery negative electrode according to claim 1 , wherein an average pore diameter of the porous metal body is 500 μm or less. 5 . The non-aqueous electrolyte secondary battery negative electrode according to claim 1 , wherein a distance between the porous metal body and the negative electrode active material is 50 μm or less. 6 . The non-aqueous electrolyte secondary battery negative electrode according to claim 1 , wherein the porous metal body is a foamed metal body. 7 . A non-aqueous electrolyte secondary battery comprising the non-aqueous electrolyte secondary battery negative electrode according to claim 1 .
Assignees
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Classifications
Energy storage using batteries · CPC title
- H01M4/134Primary
Electrodes based on metals, Si or alloys · CPC title
Silicon or alloys based on silicon · CPC title
Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries · CPC title
Negative electrodes · CPC title
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- What does patent US2022013783A1 cover?
- An object is to provide a non-aqueous electrolyte secondary battery negative electrode that can suppress a deterioration in durability and improve energy density, and a non-aqueous electrolyte secondary battery including the same. A non-aqueous electrolyte secondary battery negative electrode, comprising: a collector formed of a porous metal body, and a negative electrode material disposed in p…
- Who is the assignee on this patent?
- Honda Motor Co Ltd
- 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 Thu Jan 13 2022 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).