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Surface Reconstruction of An Integrated CoO-Co2Mo3O8 electrode Enabling Efficient Ampere-Level Hydrogen Evolution in Alkaline Water or Seawater.
Angew Chem Int Ed Engl
January 2025
University of Thessaly, Mechanical Engineering, Leoforos Athinon, Pedion Areos, 383 34, Volos, GREECE.
To accelerate the water dissociation in the Volmer step and alleviate the destruction of bubbles to the physical structure of catalysts during the alkaline hydrogen evolution, an integrated electrode of cobalt oxide and cobalt-molybdenum oxide grown on Ni foam, named CoO-Co2Mo3O8, is designed. This integrated electrode enhances the catalyst-substrate interaction confirmed by a micro-indentation tester, and thus hinders the destruction of the physical structure of catalysts caused by bubbles. Electrochemical testing shows the occurrence of a surface reconstruction of the integrated electrode, and CoO is transformed into Co(OH)2, denoted as Co(OH)2-Co2Mo3O8.
View Article and Find Full Text PDFPetrophysical assessment of the Hammam Faraun, Matulla and Nubia Reservoirs in the Ashrafi Oil Field, Gulf of Suez.
Sci Rep
January 2025
Geophysics Department, Faculty of Science, Cairo University, Giza, 12613, Egypt.
The Hammam Faraun, Matulla, and Nubia formations in the Ashrafi oil field, in the southern Gulf of Suez, Egypt, are key hydrocarbon reservoirs with significant economic importance. These formations, characterized by their favorable reservoir properties and structural settings, play a crucial role in oil and gas accumulation. Their study provides valuable insights into regional petroleum systems and guides exploration and production activities.
View Article and Find Full Text PDFSolid waste management and resource recovery during the 4-crew 180-day CELSS integrated experiment.
Life Sci Space Res (Amst)
February 2025
China Astronaut Research and Training center, Beijing 100094, PR China.
In order to explore the management and treatment methods of solid waste in the Controlled Ecological Life Support System (CELSS) of future lunar bases, during the 4-crew 180-day integrated experiment, the Solid Waste Management and Treatment System (SWMTS) was built, in which the treatment of recyclable solid waste such as inedible plant parts and human excrement was completed through a combination of biological aerobic composting and high-temperature oxidation. Basic data on the types and amounts of solid waste generated during the 4-crew 180-day experiment mission were obtained. There were six types of solid wastes, including the work support wastes, the household support wastes, the plant cultivation wastes, the plant-based wastes, and crew feces.
View Article and Find Full Text PDFEcologically sustainable biodegradable polymers fabricated from banana peel pectin reinforced with silver zeolite nanoparticles (Ag/zeolite NPs).
Int J Biol Macromol
January 2025
Department of Food Engineering and Technology, Sant Longowal Institute of Engineering and Technology (SLIET), Longowal, 148106 Sangrur, Punjab, India. Electronic address:
In the present investigation, the formulation and thorough assessment of biodegradable composite films were conducted, utilizing pectin extracted from banana peel in conjunction with synthesized silver zeolite nanoparticles. The evaluation of physical properties, microstructural investigation, mechanical characteristics, and barrier properties was done providing valuable insights into various attributes of the film. The amalgamation of silver zeolite nanoparticles with the extracted pectin from banana peel results in biodegradable composite films exhibiting distinct physical, mechanical, barrier, and thermal properties.
View Article and Find Full Text PDFDevelopment of high-throughput electrospun chitosan/PEO-CNC composite membranes with enhanced antibacterial and oil-water separation properties.
Int J Biol Macromol
January 2025
Plant Fibril Material Science Research Center, State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, China; Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, Guangzhou 510006, China.
Untreated waste liquid mixtures often support large bacterial populations, posing challenges to effective purification due to high volume and limited filtration efficiency. This study aims to develop a multifunctional filtration membrane that combines both filtration and sterilization, enhancing overall purification efficiency. Using electrospinning technology, we fabricated a superhydrophilic, oil-repellent membrane by integrating the hydrophilic properties of chitosan, antibacterial N-halamine groups, and the mechanical strength of cellulose nanocrystals (CNC).
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