Gas diffusion mat for fuel cells
First Claim
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1. A solid oxide fuel cell, comprising:
- an electrolyte disposed between and in ionic communication with a first electrode and a second electrode, forming an electrochemical cell;
a mat disposed adjacent to and in physical contact with at least a portion of said electrochemical cell; and
a spacer disposed around said mat.
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Abstract
A solid oxide fuel cell is disclosed. The solid oxide fuel cell comprises an electrolyte disposed between and in ionic communication with a first electrode and a second electrode to form an electrochemical cell. At least one spacer is disposed in contact with the electrochemical cell. A mat is disposed adjacent to the spacer. A method for making a solid oxide fuel cell is also disclosed.
112 Citations
46 Claims
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1. A solid oxide fuel cell, comprising:
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an electrolyte disposed between and in ionic communication with a first electrode and a second electrode, forming an electrochemical cell;
a mat disposed adjacent to and in physical contact with at least a portion of said electrochemical cell; and
a spacer disposed around said mat. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A solid oxide fuel cell stack, comprising:
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at least two solid oxide fuel cells, wherein each solid oxide fuel cell comprises an electrolyte disposed between and in ionic communication with a first electrode and a second electrode, forming an electrochemical cell, a mat disposed adjacent to and in physical contact with at least a portion of said electrochemical cell, and at least one spacer disposed around said mat; and
an interconnect disposed in between adjacent fuel cells and in electrical communication with said mat. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A method for manufacturing a solid oxide fuel cell stack, comprising:
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disposing an electrolyte between and in ionic communication with a first electrode and a second electrode to form an electrochemical cell;
disposing a mat and in physical contact with at least a portion of said electrochemical cell;
disposing at least one spacer around said mat; and
disposing an interconnect in electrical communication with said mat on a side opposite said electrochemical cell. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39, 40, 41)
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42. A solid oxide fuel cell stack comprising:
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at least two solid oxide fuel cells, wherein each solid oxide fuel cell comprises an electrolyte disposed between and in ionic communication with a first electrode and a second electrode, forming an electrochemical cell; and
an interconnect disposed between adjacent fuel cells, wherein said interconnect has at least one flow section disposed between an expander and a periphery, said expander is disposed around said interconnect up to about 360°
.- View Dependent Claims (43, 44, 45, 46)
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Specification