Results 91 to 100 of about 2,564 (186)

Insights Into Nitrate‐to‐Ammonia Electrocatalysis on Graphene‐Supported Asymmetric M1N3─M2N4 Dual‐Atom Catalysts

ChemCatChem, Volume 18, Issue 16, 27 August 2026.
Stability and surface‐state screening identify catalysts with accessible electrochemical potential windows for pristine‐site availability. Side‐on@bridge adsorption enables site‐specific P1/P2 branching, while joint evaluation of limiting potential and NH3 desorption highlights NiN3─ZnN4‐P1 and CuN3─CoN4‐P2 as pathways with balanced PCET requirements ...
Shaopeng Xu, Linlin Li, Yan Yan, Wei Li, Jiaojiao Chen, Linda Zhang, Piao Ma, Xunlei Ding, Hao Li   +8 more
wiley   +1 more source

Electrochemical Reduction of Nitrate to Ammonia on Transition‐Metal Sputtered Copper Foams

ChemElectroChem, Volume 13, Issue 15, 1 August 2026.
Thin, sputter‐deposited cobalt layers on copper foam significantly enhance electrochemical reduction of nitrate to ammonia, exhibiting an approximately threefold increase in Faradaic efficiency for ammonia, likely due to a synergistic two‐step conversion pathway involving both copper and cobalt sites.
Sabita Bhandari, Nick Hausen, Xin Wei, Michael Noyong, Regina Palkovits, Ulrich Simon   +5 more
wiley   +1 more source

Riverine Nitrate Fate and Transport in the Great Lakes Basin Using the Community Land Model

Journal of Advances in Modeling Earth Systems, Volume 18, Issue 8, August 2026.
Abstract Agriculture and urbanization have profoundly altered the terrestrial nitrogen cycle, leading to widespread water quality degradation. Nitrogen leached from managed soils is transported and transformed through river networks, influencing downstream nutrient dynamics and ecosystem functioning.
Farshid Felfelani, Yadu Pokhrel, Mantha S. Phanikumar, David M. Lawrence   +3 more
wiley   +1 more source

Global Carbon Investment in Terrestrial Biological Nitrogen Fixation

Global Biogeochemical Cycles, Volume 40, Issue 8, August 2026.
Abstract Biological nitrogen (N) fixation (BNF) provides the N needed to produce proteins and other biological building blocks, helping feed humanity and mitigate climate change. Due to its high energetic cost compared to other forms of N acquisition, biotic investment in BNF indicates N limitation. Globally gridded BNF flux data provide an opportunity
Duncan N. L. Menge, Carla R. Reis Ely, Steven S. Perakis, Sian Kou‐Giesbrecht, Cory C. Cleveland, Sasha C. Reed, Benton N. Taylor, Sarah A. Batterman, Timothy E. Crews, Katherine A. Dynarski, Jennifer L. Funk, Maga Gei, Kevin L. Griffin, Michael J. Gundale, David F. Herridge, Sarah E. Jovan, Mark B. Peoples, Johannes Piipponen, Emilio Rodríguez‐Caballero, Verity G. Salmon, Fiona M. Soper, Anika P. Staccone, Bettina Weber, Amelia A. Wolf, Nina Wurzburger   +24 more
wiley   +1 more source

Economic Estimation of a Green Ammonia Production System from Off Gas

Chemical Engineering Transactions
Most renewable ammonia plants developing from the conventional Haber-Bosch Process employ water electrolysis for hydrogen production and air separation for nitrogen production powered by renewables.
Ruitao Sun, Jie Li, Li Sun
doaj  

Techno-economic and life cycle greenhouse gas assessment of green ammonia produced by low-pressure Haber-Bosch process

Energy Nexus
Green ammonia can be used as an energy storage carrier and a sustainable chemical. To improve the competitiveness of green ammonia, two power-to-ammonia (PtA) processes integrated with low-pressure (LP) and ultra-low-pressure (ULP) Haber-Bosch (HB ...
Guohui Song, Yumeng Chen, Yingfeng He, Qize Jia, Qingjiao Wu, Xiaobo Cui, Hao Zhao   +6 more
doaj   +1 more source

Ecosystem openness to nitrogen and phosphorus controlled by fertilisation, mowing and plant diversity in a grassland

Functional Ecology, Volume 40, Issue 8, Page 2506-2519, August 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Ecosystem openness to nitrogen (N) and phosphorus (P) is determined by the balance of N and P inputs (e.g. fertiliser) and outputs (biomass removal). Plant biodiversity enhances nutrient use efficiency due to species' complementary uptake driven by their variation in ...
Bahareh Bicharanloo, Milad Bagheri Shirvan, Timothy R. Cavagnaro, Claudia Keitel, Feike A. Dijkstra   +4 more
wiley   +1 more source

Inferring alternative ecosystem states with field survey data

Methods in Ecology and Evolution, Volume 17, Issue 8, Page 2256-2276, August 2026.
Abstract Many ecosystems potentially exhibit alternative stable states, where distinct states can coexist under identical environmental conditions. While simulation models have generated key hypotheses in alternative stable states theory, they often rely on scale‐free parameters disconnected from real ecosystems.
Ning Chen, Xiaoxue Dong, Xinwei Li, Lei Huang, Heng Huang, Changjia Li, Yanchuang Zhao, Chi Xu, Miaojun Ma, Zak Ratajczak, Changming Zhao   +10 more
wiley   +1 more source

From defects to catalysis: mechanism and optimization of NO electroreduction synthesis of NH3

Frontiers in Chemistry
Ammonia (NH₃) is a crucial industrial raw material, but the traditional Haber-Bosch process is energy-intensive and highly polluting. Electrochemical methods for synthesizing ammonia using nitric oxide (NO) as a precursor offer the advantages of ...
Gan Linling, Zhen Liao, Huimei Zhang, Jinxia Jiang, Zhikai Chen   +4 more
doaj   +1 more source

Radiocatalytic synthesis of ammonia under ambient conditions with efficiency exceeding that of Haber–Bosch process

Abstract Ammonia is an essential component to keep the world fed and fueled, but its industrial production through Haber–Bosch process requires high pressure and high temperature and is, therefore, energy- and emission-intensive. Few ammonia synthesis techniques have granted the capability to achieve comparable efficiency so far, even those ...
Jun Ma, Changjiang Hu, Junyi Zhao, Zhiwen Jiang, Degao Wang, Xiaoping Ouyang, Shuao Wang   +6 more
openaire   +1 more source