Membrane electrode assembly, electrochemical device, and electrochemical system
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsShigenori Onuma, Tomohiro Kuroha
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Abstract
A membrane electrode assembly according to the present disclosure includes an electrolyte membrane containing a solid electrolyte and a first electrode bonded to the electrolyte membrane, wherein the solid electrolyte is a compound represented by the composition formula (1): BaZr1-xMxO3-γ, M in the composition formula (1) is at least one element selected from the group consisting of Sc, Er, Ho, Dy, Gd, Y, In, Tm, Yb, and Lu, and 0<x<1 and 0<γ<0.5 are satisfied, and the first electrode contains a lanthanum strontium cobalt iron palladium composite oxide.
Claims8
A membrane electrode assembly comprising:
- an electrolyte membrane containing a solid electrolyte;
- and a first electrode bonded to the electrolyte membrane,
- wherein the solid electrolyte is a compound represented by a composition formula (1):
- BaZr1-xMxO3-γ,
- M in the composition formula (1) is at least one element selected from the group consisting of Sc, Er, Ho, Dy, Gd, Y, In, Tm, Yb, and Lu, and 0.05<x<0.3 and 0<γ<0.5 are satisfied,
- the first electrode contains a lanthanum strontium cobalt iron palladium composite oxide,
- the lanthanum strontium cobalt iron palladium composite oxide is a compound represented by a composition formula (2):
- La1-mSrmCOyFezPd1-y-zO3-δ,
- 0≤m≤0.5, 0.1≤y≤0.9, 0.1≤z≤0.9, y+z<1, and 0≤δ≤0.5 are satisfied in the composition formula (2), and
- the lanthanum strontium cobalt iron palladium composite oxide satisfies 0.01≤1−y−z≤0.05 in the composition formula (2).
Dependencies are inferred from the claim text.