CCS and Power Systems

Advanced Energy Systems - Solid Oxide Fuel Cells

SECA Core Technology Program - PNNL

Performer: Pacific Northwest National Laboratory

Project No: FWP-40552

Project Images

SEM image and results from cross-sectional EDS analysis of M-C spinel-coated surface-blasted AISI 441 after oxidation at 800 °C for 20,000 hours (element concentrations in atomic percent). Note excellent scale adhesion and limited transport of Cr into the coating (right side of image).

Post-test image of SCN-1 compliant glass sealed between aluminized AISI441 and an anode/electrolyte bilayer. No evidence of damage or leakage was observed after 12 thermal cycles between RT and 800 °C.

Progression of damage and healing of a viscous glass sealant during thermal-mechanical loading of an SOFC stack.

Response surface prediction and associated error for use in reduced order models (ROMs) of SOFC stack performance.

Stack test fixture used for evaluation/validation of new cell and stack materials under realistic stack environment conditions.

Use of pyramidal micro-indentation tests to characterize interfacial toughness for the interconnect scale.

Project Details