Browsing by Subject "Hydrogen production"
Now showing items 1-20 of 24
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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 review of recent advances in water-gas shift catalysis for hydrogen production
( Springer Nature , 2020 , Article)The water-gas shift reaction (WGSR) is an intermediate reaction in hydrocarbon reforming processes, considered one of the most important reactions for hydrogen production. Here, water and carbon monoxide molecules react ... -
A systematic review: The role of emerging carbon capture and conversion technologies for energy transition to clean hydrogen
( Elsevier , 2024 , Article Review)The exploitation of fossil fuels in various sectors, such as power and heat generation, and the transportation sector has been the primary source of greenhouse gas (GHG) emissions, which are the main contributors to global ... -
Artificial neural networks for predicting hydrogen production in catalytic dry reforming: A systematic review
( MDPI AG , 2021 , Article Review)Dry reforming of hydrocarbons, alcohols, and biological compounds is one of the most promising and effective avenues to increase hydrogen (H2 ) production. Catalytic dry reforming is used to facilitate the reforming process. ... -
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 ... -
CHAPTER 9: Combination of Carbon Nitride and Semiconductors for the Enhancement of the Photocatalytic Degradation of Organic Pollutants and Hydrogen Production
( Royal Society of Chemistry , 2021 , Book chapter)This chapter summarizes the utilization of promoted graphitic carbon nitride (gCN) semiconductors in photocatalytic hydrogen generation and photocatalytic environmental remediation. This includes the methods of tailoring, ... -
Combustion synthesis of copper-nickel catalysts for hydrogen production from ethanol
( Elsevier B.V. , 2015 , Article)Cu and Ni based catalysts were synthesized using solution combustion synthesis method. The catalytic activity and hydrogen selectivity were investigated for ethanol decomposition reaction. The amount of fuel content in the ... -
Combustion synthesized nickel-cobalt catalyst deactivation by coking during ethanol decomposition reaction
( American Institute of Chemical Engineers , 2019 , Conference Paper)In this work, we report the catalytic dehydrogenation of ethanol over porous cobalt oxide and nickel-cobalt bimetal oxide (NiCoO2). Catalyst deactivation and the nature of carbon formation on these two catalysts are ... -
Effect of Ni incorporation in cobalt oxide lattice on carbon formation during ethanol decomposition reaction
( Elsevier B.V. , 2019 , Article)In this work, we report the results of catalytic decomposition of ethanol over a porous mixed metal oxide of Ni-Co (NiCoO2) and analyze the effect of Ni incorporation in Co3O4 lattice on the activity and hydrogen selectivity ... -
Engineering of Pt-based nanostructures for efficient dry (CO2) reforming: Strategy and mechanism for rich-hydrogen production
( Elsevier Ltd , 2022 , Article Review)Dry (CO2) reforming of methane (DRM) is of great interest in scientific, environmental, and industrial applications. The high-energy stationary path DRM provides gigatons of CO2 utilization to produce syngas (CO and H2), ... -
Enhanced Z-scheme visible light photocatalytic hydrogen production over ?-Bi 2 O 3 /CZS heterostructure
( Elsevier Ltd , 2018 , Article)Depletion of fossil fuels and associated environmental issues has drawn attention of researchers to renewable energy resources and photocatalytic hydrogen production is considered to be safe and applicable method to meet ... -
Highly efficient sustainable photocatalytic Z-scheme hydrogen production from an α-Fe2O3 engineered ZnCdS heterostructure
( Elsevier , 2017 , Article)We present an α-Fe2O3/Zn0.4Cd0.6S heterostructure that shows visible light photocatalytic H2 production as high as 536.8μmolh−1 with apparent quantum efficiency of 11.2% at 420nm. The UV–vis diffuse reflectance spectra of ... -
Improvement of hydrogen production under solar light using cobalt (II) phosphide hydroxide co-doped g-C3N4 photocatalyst
( Springer , 2019 , Article)Graphitic carbon nitride (g-C3N4) has been extensively studied as a model of photocatalyst material for water splitting. This study investigates potential of cobalt (II) phosphide hydroxide co-doped g-C3N4 (Co-P/C3N4) for ... -
Integrated bioelectrochemical platforms
( Elsevier Ltd , 2018 , Book chapter)Energy and water are intrinsically linked, as all energy sources need water for their production processes, and at the same time, water resources require energy to be available for human consumption. One of the promising ... -
Methanol Electrolysis for Hydrogen Production Using Polymer Electrolyte Membrane: A Mini-Review
( MDPI AG , 2020 , Article Review)Hydrogen (H2) has attained significant benefits as an energy carrier due to its gross calorific value (GCV) and inherently clean operation. Thus, hydrogen as a fuel can lead to global sustainability. Conventional H2 ... -
Power-to-gas utilization in optimal sizing of hybrid power, water, and hydrogen microgrids with energy and gas storage
( Elsevier , 2022 , Article)Electricity and water have constituted two main requirements of human societies. Water desalination is considered as a prominent source of drinking water for the future needs. Supplying desalination energy and domestic ... -
Sequential Chemistry Toward Core?Shell Structured Metal Sulfides as Stable and Highly Efficient Visible-Light Photocatalysts
( Wiley-VCH Verlag , 2020 , Article)A universal sequential synthesis strategy in aqueous solution is presented for highly uniform core–shell structured photocatalysts, which consist of a metal sulfide light absorber core and a metal sulfide co-catalyst shell. ... -
Solar hydrogen production via erbium oxide based thermochemical water splitting cycle
( American Institute of Physics Inc. , 2016 , Article)The erbium oxide based water splitting (Eb-WS) cycle was thermodynamically studied by using the HSC Chemistry software and databases. The first step of the Eb-WS cycle involves thermal reduction of Er2 O3, whereas the ... -
Solar hydrogen production via thermochemical iron oxide-iron sulfate water splitting cycle
( Elsevier Ltd , 2015 , Article)This paper reports the thermodynamic analysis of solar H2 production via two-step thermochemical iron oxide–iron sulfate (IO–IS) water splitting cycle. The first step belongs to the exothermic oxidation of FeO via SO2 and ... -
Surpassing the current limitations of high purity H2 production in microbial electrolysis cell (MECs): Strategies for inhibiting growth of methanogens
( Elsevier B.V. , 2018 , Article Review)Microbial electrolysis cells (MECs) are perceived as a potential and promising innovative biotechnological tool that can convert carbon-rich waste biomass or wastewater into hydrogen (H2) or other value-added chemicals. ...