Positive electrode active material containing lithium composite oxide and lithium composite oxyfluoride, and battery including positive electrode containing positive electrode active material
US-2018205073-A1 · Jul 19, 2018 · US
Solid electrolyte and magnesium secondary battery using same
US12315877B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12315877-B2 |
| Application number | US-202117483842-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 24, 2021 |
| Priority date | Mar 28, 2019 |
| Publication date | May 27, 2025 |
| Grant date | May 27, 2025 |
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 solid electrolyte according to the present disclosure has a composition represented by Mg x Zr y (PO z ) 2 (0<x≤3.5, 0≤y<1.5, and 3≤z≤4.25), and includes an amorphous part. The composition may be represented by Mg x (PO z ) 2 (3≤x≤3.5 and 3≤z≤4.25). The composition may be represented by Mg x Zr y (PO z ) 2 (0<x<3.5, 0<y<1.5, and 3≤z≤4.25).
First claim
Opening claim text (preview).
What is claimed is: 1. An electrode material of a magnesium secondary battery, the electrode material comprising: an electrode active material particle of the magnesium secondary battery; and a surface layer covering the electrode active material particle, wherein the surface layer includes a covering material, and the covering material includes a solid electrolyte having a composition represented by Mg x (PO z ) 2 , where 3.1≤x≤3.5 and 3≤z≤4.25, and comprising an amorphous part. 2. The electrode material of the magnesium secondary battery according to claim 1 , wherein the electrode active material particle is a positive electrode active material particle. 3. The electrode material of the magnesium secondary battery according to claim 1 , wherein the electrode active material particle is a negative electrode active material particle. 4. An electrode layer of a magnesium secondary battery, the electrode layer comprising the electrode material according to claim 1 . 5. An electrode layer of a magnesium secondary battery, the electrode layer comprising: an electrode active material layer including electrode active material particles of the magnesium secondary battery; and a surface layer that is disposed on one principal surface of the electrode active material layer and includes a covering material covering an electrode active material of the magnesium secondary battery, wherein the covering material includes a solid electrolyte having a composition represented by Mg x (PO z ) 2 , where 3.1≤x≤3.5 and 3≤z≤4.25, and comprising an amorphous part. 6. The electrode layer of the magnesium secondary battery according to claim 5 , wherein the electrode active material particles are positive electrode active material particles. 7. The electrode layer of the magnesium secondary battery according to claim 5 , wherein the electrode active material particles are negative electrode active material particles. 8. An electrode of a magnesium secondary battery, the electrode comprising: the electrode layer according to claim 4 ; and a current collector supporting the electrode layer and being in electrical contact with the electrode layer. 9. A magnesium secondary battery comprising: the electrode according to claim 8 ; and an electrolyte solution containing a nonaqueous solvent and a magnesium salt dissolved in the nonaqueous solvent. 10. The electrode material of the magnesium secondary battery according to claim 1 , wherein 4<z≤4.25.
Assignees
Inventors
Classifications
inorganic · CPC title
Inorganic electrolyte · CPC title
characterised by the solutes · CPC title
Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium · CPC title
oxides · 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 US12315877B2 cover?
- A solid electrolyte according to the present disclosure has a composition represented by Mg x Zr y (PO z ) 2 (0<x≤3.5, 0≤y<1.5, and 3≤z≤4.25), and includes an amorphous part. The composition may be represented by Mg x (PO z ) 2 (3≤x≤3.5 and 3≤z≤4.25). The composition may be represented by Mg x Zr y (PO z ) 2 (0<x<3.5, 0<y<1.5, and 3≤z≤4.25).
- Who is the assignee on this patent?
- Panasonic Corp, Nat Inst Materials Science, Panasonic Holdings Corp
- What technology area does this patent fall under?
- Primary CPC classification C01B25/45. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue May 27 2025 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).