Abstract

The Ni surface supported by YSZ substrate was modified by GDC nanoparticles of several tens of nanometers in size. The GDC nanoparticles were prepared by pulsed laser deposition (PLD) technique on the network-shaped Ni prepared on YSZ substrate. Carbon deposition experiment was carried out for the samples by exposing to dry 5% CH4-Ar mixture at 800 oC. Carbon deposition was suppressed on the Ni/YSZ surface modified by GDC nanoparticles, whereas severe carbon deposition was observed on Ni without GDC nanoparticles. The modification of Ni surface using GDC nanoparticles is a good approach to suppress the carbon deposition behavior for the Ni/YSZ anode for SOFCs.

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