Browsing by Author "Kumar, Anand"
Now showing items 1-20 of 51
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A comparative thermodynamic analysis of samarium and erbium oxide based solar thermochemical water splitting cycles
( Elsevier Ltd , 2017 , Article)This paper reports a thermodynamic comparison between the samarium and erbium oxide based solar thermochemical water splitting cycles. These cycles are a two-step process in which the metal oxide is first thermally reduced ... -
A decade of ceria based solar thermochemical H2O/CO2 splitting cycle
( Elsevier Ltd , 2019 , Article)Since 2006, ceria is used as a redox reactive material for production of H2, CO, and syngas via a two-step solar driven thermochemical H2O/CO2 splitting cycle. Different forms of phase pure ceria were studied over a wide ... -
A review of g-C3N4 based catalysts for direct methanol fuel cells
( Elsevier Ltd , 2022 , Article)Direct methanol fuel cells (DMFC) possess numerous advantages for powering portable mobile devices. However, there are still major challenges in their development and commercialization that originates from the anode catalyst ... -
A thermodynamic study of propanol reforming in presence of hydrazine for hydrogen production
( Elsevier Ltd , 2021 , Article)Thermodynamic analysis of hydrogen production from propanol reforming reactions, by decomposition and steam reforming, in presence of hydrazine was evaluated as a function of temperature (300-900 K) at a constant pressure ... -
Assessment of CexZryHfzO2 based oxides as potential solar thermochemical CO2 splitting materials
( Elsevier Ltd , 2016 , Article)In this paper, we report the synthesis, characterization, and assessment of CexZryHfzO2 (CZH) materials for solar thermochemical splitting of CO2 in up to 20 consecutive thermochemical cycles. CZH materials with different ... -
Catalytic decomposition of ethanol over bimetallic NiCo catalysts for carbon nanotube synthesis
( Qatar University Press , 2020 , Poster)In this work we investigate the use of NiCo bimetal/oxide as catalyst for hydrogen production from ethanol, with a focus on the deactivation pattern and the nature of the observed carbon deposition [1, 2]. It is well known ... -
Catalytic evaluation of Ni-based nano-catalysts in dry reformation of methane
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)Development of a highly efficient, nickel-based nano-catalyst in the carbon dioxide reformation of methane is reported. The alumina supported Ni-based catalyst with a metal loading of 5wt% was prepared via solution combustion ... -
Catalytic evaluation of nickel nanoparticles in methane steam reforming
( Elsevier , 2016 , Article)Development of a highly efficient and coke-resistant, nickel nanoparticles (Ni.NPs) based catalyst in the steam reformation reaction of methane is reported. The catalyst was prepared by dispersing Ni-nanoparticles over ... -
Cellulose assisted combustion synthesis of nanoparticles for catalytic applications
( AIChE , 2017 , Conference Paper)[No abstract available] -
CO2 Capture Using Aqueous Potassium Carbonate Promoted by Ethylaminoethanol: A Kinetic Study
( American Chemical Society , 2016 , Article)Kinetics of absorption of CO2 in an aqueous potassium carbonate (K2CO3) promoted by ethylaminoethanol (EAE) solution (hereafter termed as APCE solvent) was investigated in a glass stirred cell reactor by employing a fall ... -
Development of Bifunctional Oxygen Electrocatalysts Using Solution Combustion Synthesis For Fuel Cell Applications
(2019 , Dissertation)Advanced energy storage and conversion systems such as fuel cells and metal air batteries achieved wide attention. Oxygen reduction reaction (ORR) and Oxygen evolution reaction (OER) are the prominent reactions that ... -
Effect of nickel on combustion synthesized copper/fumed-SiO2 catalyst for selective reduction of CO2 to CO
( John Wiley and Sons Ltd , 2022 , Article)In this study, we explore the effect of nickel incorporation in Cu/fumed-SiO2 catalyst for CO2 reduction reaction. Two catalysts, Cu and CuNi supported on fumed silica were synthesized using a novel surface restricted ... -
Effectiveness of Ni incorporation in iron oxide crystal structure towards thermochemical CO2 splitting reaction
( Elsevier Ltd , 2017 , Article)In this study, Ni-doped iron oxide (NixFe3−xO4) materials were synthesized via the 1,2-epoxypropane assisted sol-gel method by varying the molar concentration of Ni from x=0.2 to 1. Sol-gel derived NixFe3−xO4 gels were ... -
Electrocatalytic conversion of CO2 over in-situ grown Cu microstructures on Cu and Zn foils
( Elsevier , 2021 , Article)Electrochemical conversion of carbon dioxide to value added multi-carbon products is of great importance and a promising approach to mitigate greenhouse gases. In this work, we report the fabrication of electrodes by ... -
Electrooxidation of methanol on Ag, AgNi, and AgCo catalysts prepared by combustion synthesis technique
( John Wiley and Sons Ltd , 2022 , Article)Herein, we report the synthesis of silver-based electrocatalysts (Ag/C, AgCo/C, and AgNi/C) using solution combustion method and their performance towards methanol oxidation reaction. Detailed structural and microscopic ... -
Ethanol Decomposition and Dehydrogenation for Hydrogen Production: A Review of Heterogeneous Catalysts
( American Chemical Society , 2021 , Article Review)Biowaste derived ethanol is an important feedstock for carbon neutral hydrogen production. It is liquid at atmospheric conditions, has a high hydrogen to carbon ratio, and it can be generated from biomass, lignocellulosic ... -
Ethanol dehydrogenation mechanism on cuni catalysts for hydrogen production
( TechConnect , 2016 , Conference Paper)Ethanol dehydrogenation mechanism was investigated over catalysts containing Cu and Ni metals prepared by solution combustion synthesis. In situ DRIFTS studies were conducted on individual metals (Cu and Ni) as well as on ... -
Highly active and stable bi-functional NiCoO2 catalyst for oxygen reduction and oxygen evolution reactions in alkaline medium
( Elsevier Ltd , 2019 , Article)Single step solution combustion technique was used to synthesize NiO, Co3O4 and NiCoO2 mixed metal oxide with good crystallinity and uniform properties. XRD spectrum indicates the existence of cubic NiCoO2 phase without ... -
Highly active bifunctional LaMO3 (M=Cr, Mn, Fe, Co, Ni) perovskites for oxygen reduction and oxygen evolution reaction in alkaline media
( Qatar University Press , 2020 , Poster)Lanthanum based electrocatalytically active perovskites, LaMO3 (M=Cr, Mn, Fe, Co, Ni), were synthesized using a single step solution combustion synthesis technique. The perovskites showed exceptional performance for oxygen ... -
Highly efficient methanol oxidation reaction on durable Co9S8 @N, S-doped CNT catalyst for methanol fuel cell applications
( Elsevier Ltd , 2022 , Article)The implementation of direct methanol fuel cells is seen as a reliable factor in the future energy mix. Efficient energy conversion from methanol requires an active and durable catalyst to drive the anodic methanol oxidation ...
