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US 2018/0323440 A1Published application
Solid oxide fuel cell
AssigneeNGK Insulators, Ltd.
InventorsMakoto OHMORI, Ayano KOBAYASHI, Shinji FUJISAKI
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Abstract
A solid oxide fuel cell includes a cathode including a complex oxide having a perovskite structure expressed by the formula ABO3, an anode, and a solid electrolyte layer disposed between the cathode and the anode. The cathode includes phosphorus, chromium and boron, a content amount of the phosphorus in the cathode is at least 10 ppm and no more than 50 ppm, a content amount of the chromium in the cathode is at least 50 ppm and no more than 500 ppm, and a content amount of the boron in the cathode is at least 5 ppm and no more than 50 ppm.
Claims7
A solid oxide fuel cell comprising:
- a cathode including a complex oxide having a perovskite structure expressed by the formula ABO3,
- an anode, and
- a solid electrolyte layer disposed between the cathode and the anode, wherein
- the cathode includes phosphorus, chromium and boron,
- a content amount of the phosphorus in the cathode is at least 10 ppm and no more than 50 ppm,
- a content amount of the chromium in the cathode is at least 50 ppm and no more than 500 ppm, and
- a content amount of the boron in the cathode is at least 5 ppm and no more than 50 ppm.
4 more elements
Dependencies are inferred from the claim text.