Protective Ceramic Coatings for Solid Oxide Fuel Cell (SOFC) Balance‐of‐Plant Components

Winter, Raymond L.; Singh, Prabhakar; King, Jr., Mark K.; Mahapatra, Manoj K.; Sampathkumaran, Uma; Liu, ed., Meilin

doi:10.1155/2018/9121462

Protective Ceramic Coatings for Solid Oxide Fuel Cell (SOFC) Balance‐of‐Plant Components

Journal Article · Sun Oct 14 00:00:00 EDT 2018 · Advances in Materials Science and Engineering

DOI:https://doi.org/10.1155/2018/9121462· OSTI ID:1477517

Winter, Raymond L.; Singh, Prabhakar; King, Jr., Mark K.; Mahapatra, Manoj K.; ; Liu, ed., Meilin

Solid oxide fuel cells (SOFCs) have the potential to meet the growing need for electrical power generation if the cost per megawatt can be further reduced. Currently, SOFC stacks are replaced too frequently to be cost competitive. SOFC service life can be extended by preventing chromium‐ (Cr‐) bearing species from evaporating from the interior surfaces of balance of plant (BOP) components and poisoning the cathode to increase the lifetime. We have developed yttria‐stabilized zirconia (YSZ) and aluminum oxide‐ (Al ₂ O ₃ ‐) modified sol‐gel paints or inks for coating BOP components. 430 stainless steel (430SS) substrates with three surface conditions were coated with the 0.8–1.5 µ m thick YSZ and Al ₂ O ₃ paints. The coated 430SS samples were tested for thermal cycling resistance, thermal soak, and Cr evaporation. Thermal soak and thermal cycling test results show promise for the YSZ‐coated 430SS substrates. The Cr evaporation test of a coated substrate showed a 51% reduction in Cr generation, when compared with a bare substrate.

Research Organization:: InnoSense LLC, Torrance, CA (United States)

Sponsoring Organization:: USDOE; USDOE Office of Science (SC), Fusion Energy Sciences (FES) (SC-24)

Grant/Contract Number:: SC0013879

OSTI ID:: 1477517

Alternate ID(s):: OSTI ID: 1483364

Journal Information:: Advances in Materials Science and Engineering, Journal Name: Advances in Materials Science and Engineering Journal Issue: 1 Vol. 2018; ISSN 1687-8434

Publisher:: Hindawi Publishing CorporationCopyright Statement

Country of Publication:: Egypt

Language:: English

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