Fuel cell

US2021202960A1 · US · A1

Patent metadata
FieldValue
Publication numberUS-2021202960-A1
Application numberUS-201917270656-A
CountryUS
Kind codeA1
Filing dateJul 25, 2019
Priority dateSep 5, 2018
Publication dateJul 1, 2021
Grant date

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A fuel cell includes: a cell structure body including a cathode, an anode, and a solid electrolyte layer interposed between the cathode and the anode; and a current collector in contact with the cathode, wherein an oxidant is supplied to the cathode through the current collector, the current collector includes a porous body made of a metal material, and a chromium adsorbent carried inside pores of the porous body, the metal material includes a first metal and a second metal, the first metal includes nickel, and the second metal includes at least one selected from the group made of tin, aluminum, cobalt, titanium, manganese, tungsten, copper, silver, and gold.

First claim

Opening claim text (preview).

1 . A fuel cell comprising: a cell structure body including a cathode, an anode, and a solid electrolyte layer interposed between the cathode and the anode; and a current collector in contact with the cathode, wherein an oxidant is supplied to the cathode through the current collector, the current collector includes a porous body made of a metal material, and a chromium adsorbent carried inside pores of the porous body, the metal material includes a first metal and a second metal, the first metal includes nickel, and the second metal includes at least one selected from the group consisting of tin, aluminum, cobalt, titanium, manganese, tungsten, copper, silver, and gold. 2 . The fuel cell according to claim 1 , wherein the metal material includes an alloy of the first metal and the second metal. 3 . The fuel cell according to claim 1 , wherein a ratio of the second metal to a total amount of the first metal and the second metal included in the metal material is more than or equal to 4% by mass and less than or equal to 15% by mass. 4 . The fuel cell according to claim 1 , wherein the second metal is tin. 5 . The fuel cell according to claim 1 , wherein the porous body has a skeleton with a three-dimensional network structure.

Assignees

Inventors

Classifications

  • characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant · CPC title

  • Fuel cells with solid oxide electrolytes · CPC title

  • Composites · CPC title

  • operating at high temperature, e.g. with stabilised ZrO2 electrolyte · CPC title

  • H01M8/0232Primary

    Metals or alloys · CPC title

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What does patent US2021202960A1 cover?
A fuel cell includes: a cell structure body including a cathode, an anode, and a solid electrolyte layer interposed between the cathode and the anode; and a current collector in contact with the cathode, wherein an oxidant is supplied to the cathode through the current collector, the current collector includes a porous body made of a metal material, and a chromium adsorbent carried inside pores…
Who is the assignee on this patent?
Sumitomo Electric Industries
What technology area does this patent fall under?
Primary CPC classification H01M8/0232. Mapped technology areas include Electricity.
When was this patent published?
Publication date Thu Jul 01 2021 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 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).