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Charakterisierung und Modellentwicklung von Natur und Funktionalität der Kathoden/Elektrolyt-Grenzfläche von Hochtemperatur-Brennstoffzellen (SOFC)
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Year: 2019 Publisher: KIT Scientific Publishing

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Abstract

Solid oxide fuel cells (SOFC) achieve high efficiencies, the lower the internal electrochemical losses are. This work investigates insulating secondary phases at the cathode/electrolyte interface that are formed during fabrication. Full cells and model systems are electrochemically characterized, analyzed by electron microscopy and reconstructed by tomography. A FEM model reveals performance limiting factors. As a result, an optimized production routine is proposed.


Book
Herstellung von LATP für den Einsatz als Festkörperelektrolyt und dessen Eigenschaften
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ISBN: 1003045979 1000072339 9781003045977 9781000072334 9781000072358 1000072355 9781000072341 1000072347 9780367493851 9780367502270 3731507021 Year: 2017 Publisher: KIT Scientific Publishing

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Abstract

In this work, the oxide material Li???Al?Ti???(PO?)? (LATP) is extensively investigated with the scope of using it as a solid state electrolyte. Starting with the synthesis of raw LATP material by sol-gel process, the whole production process of LATP is analyzed, including powder conditioning and sintering of ceramic samples.

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