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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.
elektrochemische Impedanzspektroskopie --- electrochemical impedance spectroscopy --- FEM-Modellierung --- korrelative Tomographie --- secondary phase identification --- solid oxide fuel cell (SOFC) --- Zweitphasenidentifikation --- correlative tomography --- FEM modeling --- Hochtemperatur-Brennstoffzelle (SOFC)
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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.
Imperialism. --- Nationalism --- Colonialism --- Empires --- Expansion (United States politics) --- Neocolonialism --- Political science --- Anti-imperialist movements --- Caesarism --- Chauvinism and jingoism --- Militarism --- Russia (Federation) --- Russian Federation --- Rossiyskaya Federatsiya --- Rossiya (Federation) --- Rossii︠a︡ (Federation) --- Российская Федерация --- Rossiĭskai︠a︡ Federat︠s︡ii︠a︡ --- Російська Федерація --- Rosiĭsʹka Federat︠s︡ii︠a︡ --- Federazione della Russia --- Russische Föderation --- RF --- Federation of Russia --- Urysye Federat︠s︡ie --- Правительство России --- Pravitelʹstvo Rossii --- Правительство Российской Федерации --- Pravitelʹstvo Rossiĭskoĭ Federat︠s︡ii --- Правительство РФ --- Pravitelʹstvo RF --- Rosja (Federation) --- O-lo-ssu (Federation) --- Roshia Renpō --- Federazione russa --- OKhU --- Orosyn Kholboony Uls --- Russian S.F.S.R. --- Civilization --- Philosophy. --- Eluosi (Federation) --- 俄罗斯 (Federation) --- Imperialism --- E-books --- Li-ion conductivity --- LATP --- microstructure --- Mikrostruktur --- Li-Ionen-Leitfähigkeit --- Zweitphase --- secondary phase --- Festkörperelektrolyt --- solid state electrolyte --- RF (Russian Federation) --- Россия (Federation)
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