Surface coatings for anti-corrosive anode components in hydrogen fuel cell modules
US-2024290998-A1 · Aug 29, 2024 · US
Stainless steel foil for separators of polymer electrolyte fuel cells
US2016240866A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016240866-A1 |
| Application number | US-201415025744-A |
| Country | US |
| Kind code | A1 |
| Filing date | Sep 2, 2014 |
| Priority date | Oct 22, 2013 |
| Publication date | Aug 18, 2016 |
| 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.
The surface of a substrate made of stainless steel foil is coated with a Sn alloy layer, with a strike layer in between. The coating weight of the strike layer is 0.001 g/m 2 to 1 g/m 2 .
First claim
Opening claim text (preview).
1 . A stainless steel foil for separators of polymer electrolyte fuel cells, comprising: a substrate made of stainless steel foil; and a Sn alloy layer with which a surface of the substrate is coated, with a strike layer in between, wherein a coating weight of the strike layer is 0.001 g/m 2 to 1 g/m 2 . 2 . The stainless steel foil for separators of polymer electrolyte fuel cells according to claim 1 , wherein the Sn alloy layer includes at least one type of element selected from the group consisting of Ni and Fe. 3 . The stainless steel foil for separators of polymer electrolyte fuel cells according to claim 1 , wherein the Sn alloy layer includes at least one type selected from the group consisting of Ni 3 Sn 2 , Ni 3 Sn 4 , SnFe, and SnFe 2 . 4 . The stainless steel foil for separators of polymer electrolyte fuel cells according to claim 1 , wherein the strike layer includes at least one type of element selected from the group consisting of Ni, Cu, Ag, and Au. 5 . The stainless steel foil for separators of polymer electrolyte fuel cells according to claim 4 , wherein the strike layer is made of an alloy layer of Ni and P, and has a P content in a range of 5% to 22% by mass. 6 . The stainless steel foil for separators of polymer electrolyte fuel cells according to claim 1 , comprising a Sn-containing oxide layer on a surface of the Sn alloy layer. 7 . The stainless steel foil for separators of polymer electrolyte fuel cells according to claim 2 , wherein the strike layer includes at least one type of element selected from the group consisting of Ni, Cu, Ag, and Au. 8 . The stainless steel foil for separators of polymer electrolyte fuel cells according to claim 3 , wherein the strike layer includes at least one type of element selected from the group consisting of Ni, Cu, Ag, and Au. 9 . The stainless steel foil for separators of polymer electrolyte fuel cells according to claim 7 , wherein the strike layer is made of an alloy layer of Ni and P, and has a P content in a range of 5% to 22% by mass. 10 . The stainless steel foil for separators of polymer electrolyte fuel cells according to claim 8 , wherein the strike layer is made of an alloy layer of Ni and P, and has a P content in a range of 5% to 22% by mass. 11 . The stainless steel foil for separators of polymer electrolyte fuel cells according to claim 2 , comprising a Sn-containing oxide layer on a surface of the Sn alloy layer. 12 . The stainless steel foil for separators of polymer electrolyte fuel cells according to claim 3 , comprising a Sn-containing oxide layer on a surface of the Sn alloy layer. 13 . The stainless steel foil for separators of polymer electrolyte fuel cells according to claim 4 , comprising a Sn-containing oxide layer on a surface of the Sn alloy layer. 14 . The stainless steel foil for separators of polymer electrolyte fuel cells according to claim 5 , comprising a Sn-containing oxide layer on a surface of the Sn alloy layer. 15 . The stainless steel foil for separators of polymer electrolyte fuel cells according to claim 7 , comprising a Sn-containing oxide layer on a surface of the Sn alloy layer. 16 . The stainless steel foil for separators of polymer electrolyte fuel cells according to claim 8 , comprising a Sn-containing oxide layer on a surface of the Sn alloy layer. 17 . The stainless steel foil for separators of polymer electrolyte fuel cells according to claim 9 , comprising a Sn-containing oxide layer on a surface of the Sn alloy layer. 18 . The stainless steel foil for separators of polymer electrolyte fuel cells according to claim 10 , comprising a Sn-containing oxide layer on a surface of the Sn alloy layer.
Assignees
Inventors
Classifications
- H01M8/0228Primary
in the form of layered or coated products · CPC title
of iron or steel · CPC title
of metals or alloys not provided for in groups C25D11/04 - C25D11/32 · CPC title
Fuel cells with polymeric electrolytes · CPC title
of nickel or cobalt · 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 US2016240866A1 cover?
- The surface of a substrate made of stainless steel foil is coated with a Sn alloy layer, with a strike layer in between. The coating weight of the strike layer is 0.001 g/m 2 to 1 g/m 2 .
- Who is the assignee on this patent?
- Jfe Steel Corp
- What technology area does this patent fall under?
- Primary CPC classification H01M8/0228. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Aug 18 2016 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).