نتایج جستجو برای: direct glucose alkaline fuel cell dgafc
تعداد نتایج: 2265562 فیلتر نتایج به سال:
Neutral red (NR) was utilized as an electron mediator in microbial fuel cells consuming glucose to study both its efficiency during electricity generation and its role in altering anaerobic growth and metabolism of Escherichia coli and Actinobacillus succinogenes. A study of chemical fuel cells in which NADH, NR, and ferricyanide were the electron donor, the electronophore, and the electron acc...
in the present work, the simultaneous effects of fuel injection rate and injection of air jet into the combustion chamber on exhaust emissions, combustion process and performance parameters in a direct injection diesel engine were investigated. in order to create an air jet, a design was presented in which a secondary chamber (air cell) was created inside the cylinder and was joined to the main...
Fuel cells (FC) have been developed for automobiles and stationary power units. In addition to a generator function, we propose new application of hydrogen isotope separation. this paper, deuterium (D) separation is investigated by two types AFCs with platinum (Pt) or ruthenium (Ru) anode catalysts. The characteristics the are evaluated pure protium (H) gas separately. case Pt catalyst, cell cu...
For the goal of practical industrial development of fuel cells, cheap, sustainable and high performance electrocatalysts for oxygen reduction reactions (ORR) which rival those based on platinum (Pt) and other rare materials are highly desirable. In this work, we report a class of cheap and high-performance metal-free oxygen reduction electrocatalysts obtained by co-doping carbon blacks with nit...
background: bone marrow mesenchymal stem cells (mscs) are one of the undifferentiated multipotential cell sources of human body. methods: mscs have the capacity to form a variety of cell types, especially chondrocytes and osteocytes. learning about responses of mscs to external milieu and chemical factors such as ph could recommend new approaches for preparation of suitable scaffolds for bone a...
N,S,Fe-doped graphene nanosheets were directly synthesized from aminothiazole, a precursor molecule that contains N and S atoms, through Fe catalysis under heat treatment. The graphene nanosheets exhibited high electrocatalytic activity toward oxygen reduction reaction in both acidic and alkaline media during rotating disk electrode half-cell and fuel cell tests.
Conductive polymers have been increasingly used as fuel cell catalyst support due to their electrical conductivity, large surface areas and stability. The incorporation of metal nanoparticles into a polymer matrix can effectively increase the specific surface area of these materials and hence improve the catalytic efficiency. In this work, a nanoparticle loaded conductive polymer nanocomposite ...
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