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US 2014/0234752 A1Published application
Scheelite-Structured Composite Metal Oxide with Oxygen Ionic Conductivity
AssigneeSamsung Electronics Co., Ltd.
InventorsHee-jung PARK, Chan KWAK, Sung-jin AHN, Doh-won JUNG
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Abstract
A composite metal oxide represented by the formula Ma1−xMbxMcO4+x/2, wherein Ma is at least one element selected from alkaline earth metals, Mb is at least one element selected from lanthanoids, Mc is at least one element selected from Mo and W, and x is from about 0.1 to about 0.5.
Claims7
A composite metal oxide represented by the formula
- Ma1−xMbxMcO4+x/2,
- wherein
- Ma is at least one element selected from alkaline earth metals,
- Mb is at least one element selected from lanthanoids,
- Mc is at least one element selected from Mo and W, and
- x is from about 0.1 to about 0.5.
3 more elements
A solid electrolyte layer comprising the composite metal oxide represented by the formula
- Ma1−xMbxMcO4+x/2,
- wherein
- Ma is at least one element selected from alkaline earth metals,
- Mb is at least one element selected from lanthanoids,
- Mc is at least one element selected from Mo and W, and
- x is from about 0.1 to about 0.5.
3 more elements
A fuel cell comprising
- a cathode,
- a solid electrolyte layer,
- an anode,
- optionally a first reaction barrier layer disposed between the cathode and the solid electrolyte layer, and
- optionally a second reaction barrier layer disposed between the anode and the solid electrolyte layer,
- wherein at least one of the cathode, the solid electrolyte layer, the anode, the first reaction barrier layer, and the second reaction barrier layer comprises a composite metal oxide represented by the formula
- Ma1−xMbxMcO4+x/2,
- wherein
- Ma is at least one element selected from alkaline earth metals,
- Mb is at least one element selected from lanthanoids,
- Mc is at least one element selected from Mo and W, and
- x is from about 0.1 to about 0.5.
9 more elements
Dependencies are inferred from the claim text.