Polyimide-based binder for power storage device, electrode mixture paste, negative electrode active material layer, negative electrode sheet for power storage device, and power storage device
US-12176543-B2 · Dec 24, 2024 · US
Battery
US2020020936A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2020020936-A1 |
| Application number | US-201916504616-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jul 8, 2019 |
| Priority date | Jul 13, 2018 |
| Publication date | Jan 16, 2020 |
| Grant date | — |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
A main object of the present disclosure is to provide a battery with excellent capacity. The present disclosure achieves the object by providing a battery comprising a cathode layer, an electrolyte layer, and an anode layer, in this order, and the anode layer includes a silicon clathrate compound, as an anode active material, the silicon clathrate compound has a composition represented by M x Si 46 , wherein M is a metal element, x satisfies 0<x<46, and includes a crystal phase of a Type I silicon clathrate, and an average primary particle size of the silicon clathrate compound is 50 nm or more and 3000 nm or less.
First claim
Opening claim text (preview).
1 . A battery comprising a cathode layer, an electrolyte layer, and an anode layer, in this order, and the anode layer includes a silicon clathrate compound, as an anode active material, the silicon clathrate compound has a composition represented by M x Si 46 , wherein M is a metal element, x satisfies 0<x<46, and includes a crystal phase of a Type I silicon clathrate, and an average primary particle size of the silicon clathrate compound is 50 nm or more and 3000 nm or less. 2 . The battery according to claim 1 , wherein an average secondary particle size of the silicon clathrate compound is 1 μm or more and 40 μm or less. 3 . The battery according to claim 1 , wherein the average primary particle size of the silicon clathrate compound is 100 nm or more and 1000 nm or less, and the average secondary particle size of the silicon clathrate compound is 2 μm or more and 20 μm or less. 4 . The battery according to claim 1 , wherein the silicon clathrate compound includes the crystal phase of the Type I silicon clathrate as a main phase. 5 . The battery according to claim 1 , wherein the silicon clathrate compound includes at least a Na element, as the M. 6 . The battery according to claim 1 , wherein the x satisfies 0<x<8. 7 . The battery according to claim 1 , wherein the electrolyte layer includes an inorganic solid electrolyte. 8 . The battery according to claim 1 , wherein the electrolyte layer includes a liquid electrolyte. 9 . The battery according to claim 1 , wherein the battery is a lithium ion battery. 10 . The battery according to claim 1 , wherein the battery is a sodium ion battery.
Assignees
Inventors
Classifications
Negative electrodes · CPC title
- H01M4/386Primary
Silicon or alloys based on silicon · CPC title
Physical characteristics, e.g. porosity, surface area · CPC title
Electrodes based on metals, Si or alloys · CPC title
- H01M10/054Primary
Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium · CPC title
Patent family
Related publications grouped by family.
External sources
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US2020020936A1 cover?
- A main object of the present disclosure is to provide a battery with excellent capacity. The present disclosure achieves the object by providing a battery comprising a cathode layer, an electrolyte layer, and an anode layer, in this order, and the anode layer includes a silicon clathrate compound, as an anode active material, the silicon clathrate compound has a composition represented by M x S…
- Who is the assignee on this patent?
- Toyota Motor Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01M4/386. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Jan 16 2020 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).