Development of layered anode structures supported over Apatite-type Solid Electrolytes

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DOI Доступ к ресурсу на сайте издателя			10.1051/matecconf/20164104001

Title: Development of layered anode structures supported over Apatite-type Solid Electrolytes
Creator: Pandis, P.
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Sadykov, Vladislav A.
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Stathopoulos, V. N.
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Kharlamova, Tamara Sergeevna
Date: 2016
DOI: 10.1051/matecconf/20164104001
Description: Apatite-type lanthanum silicates (ATLS) materials have attracted interest in recent literature as solid electrolytes for SOFCs. The fabrication of an ATLS based fuel cell with the state-of-art electrodes (NiO/YSZ as anode and LSCF or LSM as cathode) can show degradation after long operation hours due to Si diffusion mainly towards the anode. In this work, we report a “layer-by-layer anodic electrodes” fabrication by means of spin coating and physical spraying. The overall aim of this work is the successful fabrication of such a layered structure including suitable blocking layers towards the inhibition of Si interdiffusion from the apatite electrolyte to the anode. The results showed that the deposition of 3 layers of LFSO/GDC (3μm), NiO/GDC (4μm) and the final NiO/YSZ anode layer provided a stable half-cell, with no solid state reaction occurring among the electrodes and no Si diffusion observed towards the anode after thermal treatment at 800°C for 120h.

Created: 16-04-2018

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Химический факультет Development of layered anode structures supported over Apatite-type Solid Electrolytes