A METHOD FOR CHROMIUM UPGRADING OF FERRITIC STEEL INTERCONNECTS FOR SOLID OXIDE CELL STACK APPLICATIONS

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United States of America Patent

APP PUB NO 20220298663A1
SERIAL NO

17616756

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Abstract

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In a method for chromium upgrading of interconnects made of ferritic steel to be used in solid oxide cell stacks, comprising the steps of shaping the interconnect, depositing a coating comprising Cr on at least one surface of the shaped interconnect and performing one or more thermal treatments at a temperature below 1000° C., the resulting Cr concentration near the surface of the interconnect is higher than the Cr concentration in the ferritic steel before shaping. Specifically, the average Cr concentration of the shaped interconnect is increased to 26 wt % Cr or higher.

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Patent Owner(s)

Patent OwnerAddress
HALDOR TOPSØE A/SKGS LYNGBY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
BLENNOW, Bengt Peter Gustav Humlebæk, DK 18 4
HEIREDAL-CLAUSEN, Thomas Birkerød, DK 21 10
KÜNGAS, Rainer Peetri, Harjumaa, EE 19 4
NØRBY, Tobias Holt Glostrup, DK 10 0
RASS-HANSEN, Jeppe København V, DK 15 7

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