Solid oxide fuel cell
US-9214693-B2 · Dec 15, 2015 · US
Proton conductor, electrolyte membrane, membrane electrode assembly, electrochemical cell and fuel cell stack
US12463230B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12463230-B2 |
| Application number | US-202217901872-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 2, 2022 |
| Priority date | Mar 25, 2020 |
| Publication date | Nov 4, 2025 |
| Grant date | Nov 4, 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 proton conductor of the present disclosure includes a compound represented by the chemical formula BaZr (1-x-y) Yb x Sc y O 3-δ . The chemical formula satisfies 0<x<0.5, 0 <y<0.5, (x+y)<0.5, and 0<δ<0.5.
First claim
Opening claim text (preview).
What is claimed is: 1 . A proton conductor comprising: a compound represented by chemical formula BaZr (1-x-y) Yb x Sc y O 3-δ , wherein the chemical formula satisfies 0<x<0.5, 0<y<0.5, 0.15<(x+y)<0.5, and 0<δ<0.5. 2 . The proton conductor according to claim 1 , wherein the chemical formula satisfies mathematical formula: y≤x. 3 . The proton conductor according to claim 1 , wherein the chemical formula satisfies mathematical formula: 0.25≤(x+y)<0.5. 4 . The proton conductor according to claim 1 , wherein the chemical formula satisfies mathematical formula: (x+y)≤0.35. 5 . The proton conductor according to claim 1 , wherein the chemical formula satisfies mathematical formula: 0.15≤x<0.5. 6 . The proton conductor according to claim 1 , wherein the chemical formula satisfies mathematical formulas: x=0.2 and y=0.1. 7 . An electrolyte membrane comprising: the proton conductor according to claim 1 . 8 . A membrane electrode assembly comprising: the electrolyte membrane according to claim 7 ; and a first electrode provided on a first main surface of the electrolyte membrane. 9 . An electrochemical cell comprising: the membrane electrode assembly according to claim 8 ; and a second electrode, the first electrode, the electrolyte membrane and the second electrode being arranged in the order. 10 . A fuel cell stack comprising: a plurality of the electrochemical cells according to claim 9 . 11 . The proton conductor according to claim 1 , wherein the chemical formula satisfies mathematical formula: 0.20≤(x+y)<0.5.
Assignees
Inventors
Classifications
the electrolyte consisting of oxides · CPC title
Electric properties · CPC title
Solid solutions · CPC title
Compounds containing zirconium, with or without oxygen or hydrogen, and containing two or more other elements · CPC title
inorganic · 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 US12463230B2 cover?
- A proton conductor of the present disclosure includes a compound represented by the chemical formula BaZr (1-x-y) Yb x Sc y O 3-δ . The chemical formula satisfies 0<x<0.5, 0 <y<0.5, (x+y)<0.5, and 0<δ<0.5.
- Who is the assignee on this patent?
- Panasonic Ip Man Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01M8/1213. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Nov 04 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).