Solid-state battery, battery pack, electric motor vehicle, power storage system, electric tool, and electronic device
US-2020020974-A1 · Jan 16, 2020 · US
Collector layer for all-solid-state batteries, all-solid-state battery and carbon material
US11949112B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11949112-B2 |
| Application number | US-201917052681-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 24, 2019 |
| Priority date | May 9, 2018 |
| Publication date | Apr 2, 2024 |
| Grant date | Apr 2, 2024 |
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- Title
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- First independent claim
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Abstract
Official abstract text for this publication.
A current collector layer for an all-solid-state battery is provided with which a good electron path can be easily formed and rate characteristic can be improved. A current collector layer 5 for an all-solid-state battery 1 , the current collector layer 5 including: a carbon material; and a solid electrolyte, the all-solid-state battery 1 including a group 1 or 2 ion conductive solid electrolyte layer 2 , the carbon material being mixed with Si at a weight ratio of 1:1 to produce a mixture, the mixture having an X-ray diffraction spectrum having a ratio of a peak height a to a peak height b, a/b, of 0.2 or more and 10.0 or less as being measured, the peak height a being highest in a range of 2θ of 24° or more and less than 28°, and the peak height b being highest in a range of 2θ of 28° or more and less than 30°.
First claim
Opening claim text (preview).
The invention claimed is: 1. A current collector layer for an all-solid-state battery, the current collector layer comprising: a carbon material; and a solid electrolyte, the all-solid-state battery including a group 1 or 2 ion conductive solid electrolyte layer, the carbon material being mixed with Si at a weight ratio of 1:1 to produce a mixture, the mixture having an X-ray diffraction spectrum having a ratio of a peak height a to a peak height b, a/b, of 0.2 or more and 10.0 or less as being measured, the peak height a being highest in a range of 2θ of 24° or more and less than 28°, and the peak height b being highest in a range of 2θ of 28° or more and less than 30°. 2. The current collector layer for an all-solid-state battery according to claim 1 , wherein the carbon material has a graphene layered structure. 3. The current collector layer for an all-solid-state battery according to claim 1 , wherein the carbon material has a graphite structure in which graphite is partially exfoliated. 4. A current collector layer for an all-solid-state battery, the all-solid-state battery including a group 1 or 2 ion conductive solid electrolyte layer, the current collector layer being mixed with Si at a weight ratio of 1:1 to produce a mixture, the mixture having an X-ray diffraction spectrum having a ratio of a peak height a to a peak height b, a/b, of 0.03 or more and 3.5 or less as being measured, the peak height a being highest in a range of 2θ of 24 or more and less than 28°, and the peak height b being highest in a range of 2θ of 28 or more and less than 30°. 5. The current collector layer for an all-solid-state battery according to claim 1 , wherein the ion conductive solid electrolyte layer includes an oxide-based solid electrolyte. 6. The current collector layer for an all-solid-state battery according to claim 1 , the current collector layer placed on a main surface of at least one of a positive electrode layer and a negative electrode layer for an all-solid-state battery and used. 7. An all-solid-state battery comprising: a group 1 or 2 ion conductive solid electrolyte layer having a first main surface and a second main surface that are opposite from each other; a positive electrode layer provided on the first main surface of the ion conductive solid electrolyte layer; a negative electrode layer provided on the second main surface of the ion conductive solid electrolyte layer; and the current collector layer for an all-solid-state battery according to claim 1 , provided on a main surface of at least one of the positive electrode layer and the negative electrode layer. 8. A carbon material used in a current collector layer of an all-solid-state battery, the all-solid-state battery including a group 1 or 2 ion conductive solid electrolyte layer, the carbon material being mixed with Si at a weight ratio of 1:1 to produce a mixture, the mixture having an X-ray diffraction spectrum having a ratio of a peak height a to a peak height b, a/b, of 0.2 or more and 10.0 or less as being measured, the peak height a being highest in a range of 2θ of 24° or more and less than 28°, and the peak height b being highest in a range of 2θ of 28° or more and less than 30°.
Assignees
Inventors
Classifications
- H01M4/666Primary
in the form of mixed materials (H01M4/668 takes precedence) · CPC title
containing carbon or carbonaceous materials as conductive part, e.g. graphite, carbon fibres · CPC title
with oxides, hydroxides or oxysalts as solid electrolytes · CPC title
Solid materials · CPC title
Oxides · CPC title
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US11949112B2 cover?
- A current collector layer for an all-solid-state battery is provided with which a good electron path can be easily formed and rate characteristic can be improved. A current collector layer 5 for an all-solid-state battery 1 , the current collector layer 5 including: a carbon material; and a solid electrolyte, the all-solid-state battery 1 including a group 1 or 2 ion conductive solid ele…
- Who is the assignee on this patent?
- Sekisui Chemical Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01M4/666. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Apr 02 2024 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 4 related publications on this page (citations in our corpus or others sharing the same primary CPC).