Sfoglia per Soggetto "Electrolytic reduction"
Items 1-20 di 42
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2D nitrogen-doped hierarchically porous carbon: Key role of low dimensional structure in favoring electrocatalysis and mass transfer for oxygen reduction reaction
(2017)An ultrathin (thickness 1.0 nm) 2D nitrogen-doped hierarchically porous carbon (2DNHPC) film is developed by the nanocasting method; for comparison, a 3D nitrogen-doped ordered mesoporous carbon (3DNOMC) is also synthesized. ... -
3D Co-N-doped hollow carbon spheres as excellent bifunctional electrocatalysts for oxygen reduction reaction and oxygen evolution reaction
(2017)Non-precious materials have been considered as promising bifunctional catalysts towards oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). In the present work, a three dimensional (3D) Co-N co-doped hollow ... -
3D interconnected hierarchically porous N-doped carbon with NH3 activation for efficient oxygen reduction reaction
(2017)In the present work, a novel metal-free ORR electrocatalyst, with large specific surface area (2600 m2 g−1), high content of N dopants (3.12 at.%) and 3D cross-linking hierarchically porous structure (abbreviated as LHNHPC) ... -
Bimetallic−organic framework-derived hierarchically porous Co-Zn-N-C as efficient catalyst for acidic oxygen reduction reaction
(2019)The development of highly active and cost-efficient electrocatalysts toward oxygen reduction reaction (ORR) is essential for widespread application of polymer electrolyte fuel cell (PEFC). In the present work, hierarchically ... -
Chronopotentiometric approach of CO2 reduction in molten carbonates
(2017)Carbon capture and valorization is a new route increasingly discussed to reduce greenhouse gas emissions. One of the paths foreseen for CO2 valorization is its transformation into fuels by electrochemical reduction of ... -
Copper oxide derived nanostructured self-supporting Cu electrodes for electrochemical reduction of carbon dioxide
(2019)Due to their unique activity towards formation of alcohols and hydrocarbons, copper (Cu) based catalysts have been widely used in the electrochemical reduction of carbon dioxide (ERCD). Cu foam naturally possesses ... -
Cross-double dumbbell-like Pt–Ni nanostructures with enhanced catalytic performance toward the reactions of oxygen reduction and methanol oxidation
(2019)Investigating on well-defined structure-engineering and atomic arrangement of fuel cell catalysts with high activity has attracted considerable research interest the last decade. Specially, unique nanostructures, which ... -
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 ... -
Effect of pore morphology of mesoporous carbons on the electrocatalytic activity of Pt nanoparticles for fuel cell reactions
(2010)In the present investigation, the role of the pore morphology of mesoporous carbons in the electrocatalytic activity of Pt nanoparticles for fuel cell reactions has been successfully revealed by adopting ordered mesoporous ... -
Efficient carbon dioxide electroreduction over rationally designed heterogeneous Ag2S-Au nanocomposites
(2022)Electrochemical carbon dioxide reduction reaction (CO2RR) is regarded as an effective strategy to store abundant renewable energy and build a carbon neutral society. Gold (Au) and silver (Ag)-based catalysts for the effective ... -
Efficient Pt-free electrocatalyst for oxygen reduction reaction: Highly ordered mesoporous N and S co-doped carbon with saccharin as single-source molecular precursor
(2016)Despite that nitrogen (N) and sulfur (S) co-doped ordered mesoporous carbon (OMC) as Pt-free catalyst for oxygen reduction reaction (ORR) shows a desirable performance, the synthesis method is always complicated and ... -
Electrochemical reduction of carbon dioxide at nanostructured SnO2/carbon aerogels: The effect of tin oxide content on the catalytic activity and formate selectivity
(2017)Electrochemical reduction of CO2 has been considered as a promising method for the production of value-added chemicals. In this work, the electrochemical reduction of CO2 to formate is carried out over novel carbon aerogel ... -
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 ... -
Enhanced oxygen reduction and methanol oxidation reaction over self-assembled Pt-M (M = Co, Ni) nanoflowers
(2022)Herein, we introduce a facile approach to synthesize a unique class of Pt-M (M = Ni, Co) catalysts with a nanoflower structure for boosting both oxygen reduction reaction (ORR) and methanol oxidation reaction (MOR). By ... -
Enhancement of oxygen reduction reaction performance: The characteristic role of Fe–N coordinations
(2018)Fe-Nx-C materials are extensively investigated due to their outstanding performance for oxygen reduction reaction (ORR). However, even though Fe3C, pyridinic N, and Fe–N coordinations have been widely recognized as active ... -
Facile synthesis of bimetallic Pt-Pd symmetry-broken concave nanocubes and their enhanced activity toward oxygen reduction reaction
(2019)In the present work, we are reporting a facile one-pot synthesis route to get Pt-Pd symmetry-broken concave nanocube (SBCNCs) structures in N, N-dimethylformamide (DMF) solutions under the effect of iodide ions and Poly ... -
Hierarchically skeletal multi-layered Pt-Ni nanocrystals for highly efficient oxygen reduction and methanol oxidation reactions
(2021)Pt based materials are the most efficient electrocatalysts for the oxygen reduction reaction (ORR) and methanol oxidation reaction (MOR) in fuel cells. Maximizing the utilization of Pt based materials by modulating their ... -
High surface area tungsten carbide microspheres as effective Pt catalyst support for oxygen reduction reaction
(2009)In the present work, the preparation of high surface area (256 m2 g-1) tungsten carbide microspheres (TCMSs) by the aid of a simple hydrothermal method is realized and the performance of the Pt electrocatalyst supported ... -
Highly effective oxygen reduction reaction electrocatalysis: Nitrogen-doped hierarchically mesoporous carbon derived from interpenetrated nonporous metal-organic frameworks
(2017)Nitrogen-doped carbon materials with hierarchically mesoporous structure are synthesized in the present work via the pyrolysis of an interpenetrated non-porous metal-organic framework (MOF), viz. [Zn2(TPT)(BDC)2]·H2O ... -
Highly efficient electrocatalysts for oxygen reduction reaction: Nitrogen-doped PtNiMo ternary alloys
(2019)The relatively low efficiency of the reaction of oxygen reduction (ORR) remains among the main obstacles for hydrogen fed proton exchange membrane fuel cells (H-PEMFCs) commercialization. In the present work, PtNiMo ternary ...