Parcourir par sujet "Proton-conducting electrolyte"
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Advanced materials for SOFC application: Strategies for the development of highly conductive and stable solid oxide proton electrolytes
(2016)The basic strategies of improving the stability of proton-conducting electrolytes based on barium cerate (BaCeO3) by means of: (i) co-doping, (ii) doping by nonmetallic elements and (iii) composites development, are ... -
BaCe0.5Zr0.3Y0.2–xYbxO3–δ proton-conducting electrolytes for intermediate-temperature solid oxide fuel cells
(2017)This work describes new findings concerning the preparation of Y- and Yb- co-doped BaCeO3–BaZrO3 materials, their structural, microstructural, electrical characterization and application as electrolytes for solid oxide ... -
Characterization of proton-conducting electrolyte based on La0.9Sr0.1YO3-δ and its application in a hydrogen amperometric sensor
(2016)In the present study, a Sr-doped LaYO3 proton-conducting material is successfully synthesized by the citrate-nitrate combustion method and its phase features, microstructure, thermal behavior and transport properties are ... -
Combined amperometric and potentiometric hydrogen sensors based on BaCe0.7Zr0.1Y0.2O3-δ proton-conducting ceramic
(2016)The present study aims at the potential application of BaCe0.7Zr0.1Y0.2O3-δ proton-conducting material as an electrolyte for hydrogen sensor operating under potentiometric and amperometric modes. The reason of selection ... -
Designing a protonic ceramic fuel cell with novel electrochemically active oxygen electrodes based on doped Nd0.5Ba0.5FeO3-: δ
(2018)The Fe-based perovskite-structured Nd0.5Ba0.5FeO3-δ (NBF) system represents the basis for developing promising electrode materials for solid oxide fuel cells with proton-conducting electrolytes. This study aims at investigating ... -
A detailed analysis of thermal and chemical compatibility of cathode materials for BaCeO3 and BaZrO3-based electrolytes for solid oxide fuel cell application
(2015)The identification of suitable cathode materials, which can be successfully used in unit SOFCs based on proton-conducting electrolytes during long-term stability and thermal cycling measurements is investigated in the ... -
A detailed analysis of thermal and chemical compatibility of cathode materials suitable for BaCe0.8Y0.2O3−Δ and BaZr0.8Y0.2O3−Δ proton electrolytes for solid oxide fuel cell application
(2017)The aim of this work is to identify suitable cathode materials for SOFCs based on proton-conducting electrolytes (SOFC-H+) in terms of long-term and thermal cycling stability along with a low polarization resistance. To ... -
Effect of nature of the ceramic component of the composite electrodes based on La<inf>1.7</inf>Ca(Sr)<inf>0.3</inf>NiO<inf>4+δ</inf> on their electrochemical performance
(2015)The manuscript focuses on the electrochemical performance of the La<inf>1.7</inf>Ca<inf>0.3</inf>NiO<inf>4+δ</inf> (LCNO) and La<inf>1.7</inf>Sr<inf>0.3</inf>NiO<inf>4+δ</inf> (LSNO) based composite cathodes with ... -
The effect of y by Yb substitution in BaCe0.5Zr0.3Y0.2O3-Δ on the target properties of proton-conducting electrolytes
(2015)The BaCe0.5Zr0.3Y0.2-xYbxO3-δ ceramic materials are prepared and characterized in the present work. The impact of the partial Y3+/Yb3+ substitution on i) crystal structure, ii) microstructure (relative density, grain size), ... -
Electrochemical Approach for Analyzing Electrolyte Transport Properties and Their Effect on Protonic Ceramic Fuel Cell Performance
(2017)The design and development of highly conductive materials with wide electrolytic domain boundaries are among the most promising means of enabling solid oxide fuel cells (SOFCs) to demonstrate outstanding performance across ... -
Electrochemical moisture analysis by combining oxygen- and proton-conducting ceramic electrolytes
(2017)The fabrication and characterization of a new intermediate-temperature electrochemical cell for analyzing moisture concentrations in gas mixtures are discussed in the present investigation. The as-fabricated electrochemical ... -
Improved ceramic and electrical properties of CaZrO3-based proton-conducting materials prepared by a new convenient combustion synthesis method
(2017)The present work emphasizes the features of a new combustion synthesis method suitable for easy synthesis and sintering of CaZrO3-based materials as promising proton-conducting electrolytes for electrochemical applications ... -
A new Dy-doped BaCeO3-BaZrO3 proton-conducting material as a promising electrolyte for reversible solid oxide fuel cells
(2016)The present work describes the features of the synthesis and physicochemical and electrical properties of a new Dy-doped BaCeO3-BaZrO3 proton-conducting electrolyte as well as its application in a reversible solid oxide ... -
Proton-conducting electrolytes based on Ba(Ce, Zr)O3: The comparative analysis of synthesis methods
(2015)This works is aimed at the identifying possible synthesis ways for the formation of a proton-conducting electrolyte based on BaCeO3 and BaZrO3 solid solutions. Among different methods (solid-state reaction, citrate-nitrate ... -
Sulfur and carbon tolerance of BaCeO3-BaZrO3 proton-conducting materials
(2015)In the present work, BaCe0.8-xZrxY0.2O3-delta-based ceramic samples (BCZYx) are prepared and their chemical stability in corrosive atmospheres containing high concentrations of H2O, CO2 and H2S is investigated. Based on ... -
A tape calendering method as an effective way for the preparation of proton ceramic fuel cells with enhanced performance
(2016)The possibility of proton ceramic fuel cell (PCFC) fabrication, using a tape calendering method (TCM), is demonstrated for the first time for Ba(Ce,Zr)O3-based proton-conducting electrolytes in the present work. The cell ...