Results 71 to 80 of about 31,484 (198)

A Review of Grain Boundaries: Formation Mechanism, Synthesis Strategy, and Application in Electrocatalysis

open access: yesEcoEnergy, EarlyView.
An overview of grain boundary engineering in the field of electrocatalysis. ABSTRACT Key electrocatalytic reactions such as HER, OER, ORR, CO2RR, and NRR offer promising routes for storing renewable energy as chemical fuels. However, their widespread application is constrained due to the lack of highly active and stable catalysts. Grain boundaries (GBs)
Jingyu Gao   +8 more
wiley   +1 more source

Decarbonizing Nitrogen Fertilizer for Agriculture with Nonthermal Plasma Technology

open access: yesEng
Synthetic nitrogen fertilizer is the backbone of modern agriculture, helping to feed ~50% of the world’s population. However, the current industrial production, distribution, and use of nitrogen fertilizers are built on an unsustainable foundation of ...
Xiaofei Philip Ye
doaj   +1 more source

Recent Advances and Challenges in 2D Metal-Free Electrocatalysts for N2 Fixation

open access: yesFrontiers in Chemistry, 2020
The ever-growing requirement of ammonia for industry and energy supply motivates people to find clean and cost-effective alternatives to overcome the shortcomings of the century-old Haber-Bosch process. Electrocatalytic N2 reduction (NRR) is considered a
Xinyuan Xia   +3 more
doaj   +1 more source

Meteorites, Organics and Fischer-Tropsch Type Reaction: Production and Destruction [PDF]

open access: yes, 2011
There has been an ongoing debate about the relative importance about the various chemical reactions that fonned organics in the early solar system. One proposed method that has long been recognized as a potential source of organics is Fischer-Tropsch ...
Burton, A. S.   +2 more
core   +1 more source

Constructing Cu/Cu2O Heterogeneous Interface for Efficient Urea Electrosynthesis

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
In this study, a Cu/Cu2O heterogeneous interface with dual active sites is prepared for electrocatalytic CO2 and NO3−$$ {\mathrm{NO}}_3^{-} $$ coupling to urea. The catalyst shows high yield rates of 1156.63 mmol g−1 h−1 and FE of 29.67% at −1.0 V (vs RHE), which is significantly higher than Cu and Cu2O, highlighting the advantages of heterogeneous ...
Jiani Liu   +7 more
wiley   +1 more source

Carbon black supported manganese phthalocyanine: Efficient electrocatalyst for nitrogen reduction to ammonia

open access: yesEngineering Reports
Ammonia (NH3) is regarded as a renewable energy source as well as an important molecule for agricultural applications. The energy‐intensive Haber‐Bosch method produces large amounts of CO2 gas during ammonia production.
Ashadul Adalder   +5 more
doaj   +1 more source

Integrated Solar Production of Fertilisers and Fuels

open access: yesSolarPACES Conference Proceedings
Solar fertiliser production including the internal utilisation of the side-product oxygen is analysed as one promising example of an innovative process utilising renewable energy resources and addressing the aspect of integrated production – here in the
Martin Roeb   +8 more
doaj   +1 more source

Expanded Scorpionate and Siderophore‐Inspired Ligands: From Foundational Designs to Modern Applications

open access: yesEuropean Journal of Inorganic Chemistry, EarlyView.
The concept of scorpionate ligands has evolved significantly since the introduction of tris(pyrazolyl)borate. By integrating a biological supramolecular ligand scaffold with the classic scorpionate architecture, researchers have made notable strides in mimicking the active sites of nitrogenase and advancing homogeneous catalysis.
Austin Winfield Medley   +1 more
wiley   +1 more source

Electrochemical Synthesis of Ammonia: Recent Efforts and Future Outlook

open access: yesMembranes, 2019
Ammonia is a key chemical produced in huge quantities worldwide. Its primary industrial production is via the Haber-Bosch method; a process requiring high temperatures and pressures, and consuming large amounts of energy. In the past two decades, several
Ioannis Garagounis   +4 more
doaj   +1 more source

By‐product of heparin extraction as a sustainable alternative to enhance the use of nitrogen in agriculture

open access: yesEnvironmental Progress &Sustainable Energy, EarlyView.
Abstract This study evaluates the potential of a new organic fertilizer derived from porcine intestinal mucosa (designated BHE), a by‐product of the heparin extraction process, as a sustainable nitrogen (N) source for agriculture. The work was conducted in two stages: (i) chemical and spectroscopic characterization of BHE compared with poultry litter ...
Aline Zanquetti   +3 more
wiley   +1 more source

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