Auflistung Nach Schlagwort "Cathodes"
Anzeige der Dokumente 1-19 von 19
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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 ... -
Dimethyl phthalate degradation at novel and efficient electro-Fenton cathode
(2014)A novel three-dimensional porous carbon nanotube sponge (CNTS) with high electrical conductivity was prepared, characterized and investigated as the catalytic cathode for oxygen reduction and employed for an electro-Fenton ... -
Direct ethanol fuel cell anode simulation model
(2006)The electrochemical behavior of a direct ethanol feed proton exchange membrane fuel cell (DEFC) operating under steady-state isothermal conditions at 1 atm at both anode and cathode sides is considered. A mathematical model ... -
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 ... -
Efficient and Stable Carbon-coated Nickel Foam Cathodes for the Electro-Fenton Process
(2015)Carbon-coated nickel foam (C@NF) electrodes are prepared via a simple and effective method, hydrothermal-carbonization cycle coating process, characterized by scanning electron microscopy (SEM) with energy dispersive ... -
Enhanced electrochemical performance of a Li-O2 battery using Co and N co-doped biochar cathode prepared in molten salt medium
(2022)Lithium-oxygen (Li-O2) batteries due to their high energy density are considered a promising alternative to the conventional lithium-ion batteries for electrical vehicles and energy storage. However, the practical application ... -
Grain and grain boundary transport in BaCe0.5Zr0.3Ln0.2O3−Δ (Ln – Y or lanthanide) electrolytes attractive for protonic ceramic fuel cells application
(2017)Protonic ceramic fuel cells (PCFCs) belong to very attractive energy conversion systems, which are able to operate effectively at low- and intermediate temperature ranges. The improvement of their electrochemical characteristics ... -
Highly efficient Li-O2 batteries based on self-standing NiFeP@NC/BC cathode derived from biochar supported Prussian blue analogues
(2020)Transition metal phosphides (TMPs) are considered as promising electrode materials due to their superior electrical conductivity and excellent redox activity. However, TMPs have rarely been reported as catalysts for lithium ... -
Highly performing free standing cathodic electrocatalysts for Li-O2 batteries: CoNiO2 nanoneedle arrays supported on N-doped carbon nanonet
(2019)Lithium-oxygen (Li-O2) batteries are considered as promising candidates for future energy storage systems due to their super-high theoretical energy densities. However, the poor cyclic stability and low efficiency still ... -
Investigation of a Ba0.5Sr0.5Co0.8Fe0.2O3-δ based cathode SOFC. II. The effect of CO2 on the chemical stability
(2007)The effect of carbon dioxide on the chemical stability of a Ba0.5Sr0.5Co0.8Fe0.2O3-δ cathode in the real reaction environment at 450 °C was investigated by X-ray photoelectron spectroscopy (XPS), scanning electron microscopy ... -
Iron-embedded nitrogen doped carbon frameworks as robust catalyst for oxygen reduction reaction in microbial fuel cells
(2017)A kind of 3D Fe-embedded N doped carbon framework catalyst is successfully developed and tested in the present work as a robust cathode catalyst for microbial fuel cells (MFCs). Due to the well-arranged mesopores, the high ... -
Lithium-sulfur battery cathodes made of porous biochar support CoFe@NC metal nanoparticles derived from Prussian blue analogues
(2019)Li–S batteries are considered as candidates for the next-generation secondary batteries due to their high energy density (~ 1672 mAh g−1). However, poor conductivity and shuttle effect have become the major obstacles for ... -
New Electro-Fenton Gas Diffusion Cathode based on Nitrogen-doped Graphene@Carbon Nanotube Composite Materials
(2016)For the development of a highly active and energy-effective electro-Fenton process, a novel nitrogen-doped graphene@carbon nanotube composite material (N-G@CNT) is prepared, characterized, investigated for the oxygen ... -
Novel and highly efficient cathodes for Li-O2 batteries: 3D self-standing NiFe@NC-functionalized N-doped carbon nanonet derived from Prussian blue analogues/biomass composites
(2019)Traditional 3D self-standing electrodes for lithium-oxygen (Li-O2) batteries require a high cost and complex preparation process that restrict their development. Herein, discarded biomass (pomelo peel, PP) is used as raw ... -
A novel efficient electrocatalyst for oxygen reduction and oxygen evolution reaction in Li-O2 batteries: Co/CoSe embedded N, Se co-doped carbon
(2022)The research of highly efficient and large-capacity energy storage systems is the focus of the research community and the market. Lithium-oxygen (Li-O2) batteries have shown great potential as next generation secondary ... -
A novel NiFe@NC-functionalized N-doped carbon microtubule network derived from biomass as a highly efficient 3D free-standing cathode for Li-CO2 batteries
(2019)Rechargeable Li-CO2 batteries, which utilize CO2 into electrochemical energy storage systems, provide a promising strategy for alleviating the greenhouse effect and developing high energy density second batteries. However, ... -
PM10 and elemental concentrations in a dismantling plant for waste of electrical and electronic equipment in Greece
(2018)Processing Waste of Electrical and Electronic Equipment (WEEE) causes serious environmental problems, especially when WEEE is processed in uncontrolled conditions. WEEE recycling under controlled conditions consists of the ...