Electrode-supported tubular solid-oxide electrochemical cell
First Claim
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1. A tubular solid-oxide electrochemical cell comprising:
- a porous cathode configured in a tubular shape, the porous cathode comprising a first mixed ionically/electronically conductive composite material comprising a solid-oxide electrolyte substance having ionic conductivity and a first electrochemically active substance having electronic conductivity;
an electrolyte disposed as a thin-layer on at least part of a surface of the porous cathode, the electrolyte comprising the solid-oxide electrolyte substance; and
a porous anode disposed on at least part of a surface of the electrolyte, the porous anode comprising a second mixed ionically/electronically conductive composite material comprising the solid-oxide electrolyte substance and a second electrochemically active substance having electronic conductivity;
wherein the porous cathode and the porous anode are connected to a power source, such that the tubular solid-oxide electrochemical cell is adapted to perform catalytic electrochemical synthesis of ammonia.
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Abstract
Electrode-supported tubular solid-oxide electrochemical cells suitable for use in electrochemical chemical synthesis and processes for manufacturing such are provided.
8 Citations
18 Claims
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1. A tubular solid-oxide electrochemical cell comprising:
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a porous cathode configured in a tubular shape, the porous cathode comprising a first mixed ionically/electronically conductive composite material comprising a solid-oxide electrolyte substance having ionic conductivity and a first electrochemically active substance having electronic conductivity; an electrolyte disposed as a thin-layer on at least part of a surface of the porous cathode, the electrolyte comprising the solid-oxide electrolyte substance; and a porous anode disposed on at least part of a surface of the electrolyte, the porous anode comprising a second mixed ionically/electronically conductive composite material comprising the solid-oxide electrolyte substance and a second electrochemically active substance having electronic conductivity; wherein the porous cathode and the porous anode are connected to a power source, such that the tubular solid-oxide electrochemical cell is adapted to perform catalytic electrochemical synthesis of ammonia. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A tubular solid-oxide electrochemical cell comprising:
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a first porous electrode configured in a tubular shape, the first porous electrode comprising a first mixed ionically/electronically conductive composite material comprising a solid-oxide electrolyte substance having ionic conductivity and a first electrochemically active metallic substance having electronic conductivity; an electrolyte disposed as a thin-layer on at least part of a surface of the first porous electrode, the electrolyte comprising the solid-oxide electrolyte substance; and a second porous electrode disposed on at least part of a surface of the electrolyte, the second porous electrode comprising a second mixed ionically/electronically conductive composite material comprising the solid-oxide electrolyte substance and a second electrochemically active metallic substance having electronic conductivity; wherein the first porous electrode and the second porous electrode are connected to a power source, such that the tubular solid-oxide electrochemical cell is adapted to perform catalytic electrochemical synthesis of ammonia; and wherein a thickness of the first porous electrode is in a range between about 5 mm to about 50 mm, a thickness of the electrolyte is in a range between about 5 microns to about 100 microns, and a thickness of the second porous electrode is in a range between about 5 microns to about 100 microns.
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Specification