Porous metal body, fuel cell, and method for producing porous metal body
US-2018219232-A1 · Aug 2, 2018 · US
Porous body and fuel cell including the same
US2022416255A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2022416255-A1 |
| Application number | US-202017780252-A |
| Country | US |
| Kind code | A1 |
| Filing date | Dec 9, 2020 |
| Priority date | Dec 24, 2019 |
| Publication date | Dec 29, 2022 |
| 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 porous body including a framework having a three-dimensional network structure, the framework having a body including nickel, cobalt, a first element and a second element as constituent elements, the cobalt having a proportion in mass of 0.2 or more and 0.8 or less relative to a total mass of the nickel and the cobalt, the first element including of at least one element selected from the group including of boron, iron and calcium, the second element including of at least one element selected from the group consisting of sodium, magnesium, aluminum, silicon, potassium, titanium, chromium, copper, zinc and tin, the first and second elements together having a proportion in mass of 5 ppm or more and 50,000 ppm or less in total relative to the body of the framework.
First claim
Opening claim text (preview).
1 . A porous body comprising a framework having a three-dimensional network structure, the framework having a body including nickel, cobalt, a first element and a second element as constituent elements, the cobalt having a proportion in mass of 0.2 or more and 0.8 or less relative to a total mass of the nickel and the cobalt, the first element consisting of at least one element selected from the group consisting of boron, iron and calcium, the second element consisting of at least one element selected from the group consisting of sodium, magnesium, aluminum, silicon, potassium, titanium, chromium, copper, zinc and tin, the first and second elements together having a proportion in mass of 5 ppm or more and 50,000 ppm or less in total relative to a mass of the body of the framework. 2 . The porous body according to claim 1 , wherein the cobalt has a proportion in mass of 0.2 or more and 0.45 or less or 0.6 or more and 0.8 or less relative to the total mass of the nickel and the cobalt. 3 . The porous body according to claim 1 , wherein the first element has a proportion in mass of 4 ppm or more and 40,000 ppm or less relative to the mass of the body of the framework. 4 . The porous body according to claim 1 , wherein the second element has a proportion in mass of 1 ppm or more and 10,000 ppm or less relative to the mass of the body of the framework. 5 . The porous body according to claim 1 , wherein the body of the framework further includes oxygen as a constituent element. 6 . The porous body according to claim 5 , wherein the body of the framework includes the oxygen in an amount of 0.1% by mass or more and 35% by mass or less. 7 . The porous body according to claim 5 , wherein the body of the framework includes a spinel-type oxide. 8 . The porous body according to claim 1 , wherein when the body of the framework is observed in cross section at a magnification of 3,000 times to obtain an observed image the observed image presents in any area 10 μm square thereof five or less voids each having a longer diameter of 1 μm or more. 9 . The porous body according to claim 1 , wherein the framework is hollow. 10 . The porous body according to claim 1 , wherein the porous body has a sheet-shaped external appearance and has a thickness of 0.2 mm or more and 2 mm or less. 11 . A fuel cell comprising a current collector for an air electrode and a current collector for a hydrogen electrode, wherein at least one of the current collector for the air electrode or the current collector for the hydrogen electrode includes the porous body according to claim 1 .
Assignees
Inventors
Classifications
Fuel cells with solid electrolytes · CPC title
- H01M4/8605Primary
Porous electrodes · CPC title
- C22C19/07Primary
based on cobalt · CPC title
Oxides, hydroxides or oxygenated metallic salts · CPC title
Metals or alloys · 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 US2022416255A1 cover?
- A porous body including a framework having a three-dimensional network structure, the framework having a body including nickel, cobalt, a first element and a second element as constituent elements, the cobalt having a proportion in mass of 0.2 or more and 0.8 or less relative to a total mass of the nickel and the cobalt, the first element including of at least one element selected from the grou…
- Who is the assignee on this patent?
- Sumitomo Electric Industries
- What technology area does this patent fall under?
- Primary CPC classification H01M4/8605. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Dec 29 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 4 related publications on this page (citations in our corpus or others sharing the same primary CPC).