Quantitative evaluation of pore structure effects on thermal conductivity of SDC functional layer for IT-SOFCs: experimental investigation and three-layer model prediction

2026-07-03

PRE

Yao Zheng

Baitong Wang

Fengnian Zhao

Dawei Tang *

DOI：10.1016/j.tca.2026.180390

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• Increasing carbon addition shifts pore structures from sandwich-like to uniform. • Thermal conductivity decreases with increasing porosity. • A new three-layer model was developed accounting for porosity inhomogeneity. • Model predictions exhibit excellent experimental agreement (MRE=4.16%, R²=0.9856).

Quantitative evaluation of pore structure effects on thermal conductivity of SDC functional layer for IT-SOFCs: experimental investigation and three-layer model prediction

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