Fuel cell system configured to capture chromium
AssigneeLG Fuel Cell Systems Inc.
InventorsZhengliang Xing, Zhien Liu, Richard W. Goettler
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Abstract
In some examples, a fuel cell comprising a cathode, a cathode conductor layer adjacent the cathode, an electrolyte separated from the cathode conductor layer by the cathode, and an anode separated from the cathode by the electrolyte, wherein the anode, cathode conductor layer, cathode, and electrolyte are configured to form an electrochemical cell, and wherein at least one of cathode or the cathode conductor layer includes an exsolute oxide configured to capture Cr vapor species present in the fuel cell system.
Claims20
A fuel cell system comprising:
- a cathode;
- a cathode conductor layer adjacent the cathode;
- an electrolyte separated from the cathode conductor layer by the cathode;
- and
- an anode separated from the cathode by the electrolyte, wherein the anode, cathode conductor layer, cathode, and electrolyte are configured to form an electrochemical cell, and wherein at least one of the cathode or the cathode conductor layer includes an exsolute oxide configured to capture Cr vapor species present in the fuel cell system.
A method comprising forming a fuel cell system, the fuel cell system comprising:
- a cathode;
- a cathode conductor layer adjacent the cathode;
- an electrolyte separated from the cathode conductor layer by the cathode;
- and
- an anode separated from the cathode by the electrolyte, wherein the anode, cathode conductor layer, cathode, and electrolyte are configured to form an electrochemical cell, wherein the cathode conductor layer includes an exsolute oxide configured to capture Cr vapor species present in the fuel cell system.
A fuel cell system comprising:
- a cathode;
- a cathode conductor layer adjacent the cathode;
- an electrolyte separated from the cathode conductor layer by the cathode;
- and
- an anode separated from the cathode by the electrolyte, wherein the anode, cathode conductor layer, cathode, and electrolyte are configured to form an electrochemical cell, and wherein at least one of the cathode conductor layer or cathode includes an exsolute oxide configured to capture Cr vapor species present in the fuel cell system, wherein the cathode conductor layer is formed from an LSM material having A-site deficiencies, and wherein the exsolute oxide comprises a manganese oxide exsolution resulting from equilibrium concentration of the LSM while the fuel cell operates.
Dependencies are inferred from the claim text.