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Composite body, collector member, gas tank, and fuel cell device
US9935320B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9935320-B2 |
| Application number | US-201113580639-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 25, 2011 |
| Priority date | Feb 25, 2010 |
| Publication date | Apr 3, 2018 |
| Grant date | Apr 3, 2018 |
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Abstract
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A composite body includes a substrate containing Cr; and a first composite oxide layer disposed on at least a part of a surface of the substrate, the first composite oxide layer having a spinel type crystal structure, a first largest content and a second largest content among constituent elements excluding oxygen of the first composite oxide layer being Zn and Al in random order. Accordingly, the composite body can suppress diffusion of Cr from the substrate containing Cr to the first composite oxide layer, and has improved long-term reliability. A collector member and a gas tank, each of which is formed of the composite body, can have improved long-term reliability. A fuel cell device having excellent long-term reliability can be obtained using the collector member and the gas tank.
First claim
Opening claim text (preview).
The invention claimed is: 1. A composite body, comprising: a substrate containing Cr; and a coating layer disposed on at least part of a surface of the substrate and comprising a first composite oxide layer comprising ZnAl 2 O 4 , wherein the ZnAl 2 O 4 is at 50 mol % or more with respect to the total content of the first composite oxide layer. 2. A collector member that electrically connects a plurality of fuel cells to each other, the collector member co…
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Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Electricity · mapped topic
- C23C14/08Primary
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
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Frequently asked questions
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- What does patent US9935320B2 cover?
- A composite body includes a substrate containing Cr; and a first composite oxide layer disposed on at least a part of a surface of the substrate, the first composite oxide layer having a spinel type crystal structure, a first largest content and a second largest content among constituent elements excluding oxygen of the first composite oxide layer being Zn and Al in random order. Accordingly, t…
- Who is the assignee on this patent?
- Fujimoto Tetsurou, Higashi Masahiko, Kyocera Corp
- What technology area does this patent fall under?
- Primary CPC classification C23C14/08. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Apr 03 2018 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).