نتایج جستجو برای: density 20 ma cm2
تعداد نتایج: 1038085 فیلتر نتایج به سال:
The complex and nano-structured amorphous carbon as p-type films prepared from natural palm oil precursor for heterojunction solar cell were presented. Field-emission scanning electron microscopy (FESEM) revealed the nano structured films had particle size in the range of 28 to 34 nm. The energy-dispersive spectroscopy (EDS) showed the existing of carbon in complex-structured amorphous carbon f...
Hydrazine oxidation in single-atom catalysts (SACs) could exploit the efficiency of metal atom utilization, which is a substitution for noble metal-based electrolysers that results reduced overall cost. A well-established ruthenium single over mesoporous carbon nitride (SRu-mC3N4) catalyst explored electro-oxidation hydrazine as one model reactions direct fuel cell reactions. The electrochemica...
In this research, electrodeposition procedure was utilized for the synthesis of a new composite polymer: N-methylpyrrole–Triton–X100/N, N,N-diethylaniline (NMPY-TRX100/NNDEA) used as coating on carbon steel type OL 37 electrode corrosion protection. The surfactant Triton–X100, dopant ion throughout process electropolymerization, had significant impact protection by impeding penetration corrosiv...
Open structure ZnO/CdSe core/shell nanoneedle arrays were prepared on a conducting glass (SnO2:F) substrate by solution deposition and electrochemical techniques. A uniform CdSe shell layer with a grain size of approximately several tens of nanometers was formed on the surface of ZnO nanoneedle cores after annealing at 400°C for 1.5 h. Fabricated solar cells based on these nanostructures exhibi...
Hybrid Zn–air and Zn–M (M represents transition metal oxide/hydroxide) batteries combined at the cell level take advantages of high-capacity high voltage. However, performance a Zn–air/M battery relies on finding dual-functional cathode material, which can effectively serve both battery's chemistries. Here, we demonstrate superior hybrid based Fe-doped Ni double hydroxide nanoflakes activated c...
The main objective of this study is removal of pathogenic bacteria using electrochemical process. The bactericidal effects of electrochemical system containing steel mesh electrode were evaluated from contaminated water with E. coli, Pseudomonas aeroginosa, Staphylococcus aureous and Streptococcus fecalis at various concentrations. Effect of current density, supporting electrolyte and pathogeni...
Nanocellulose has become one of the most attractive matrix materials for flexible supercapacitors, owing to high surface area, good mechanical properties and environmental friendliness. Herein, we developed electrode with capacitance flexibility through in-situ synthesis polypyrrole (PPy) in TEMPO-oxidized cellulose nanofibril (TOCN)/sulfonated carbon nanotubes (SCNT) composite hydrogels. The T...
A miniature microbial fuel cell (mini-MFC) is described that demonstrates high output power per device cross-section (2.0 cm2) and volume (1.2 cm3). Shewanella oneidensis DSP10 in growth medium with lactate and buffered ferricyanide solutions were used as the anolyte and catholyte, respectively. Maximum power densities of 24 and 10 mW/m2 were measured using the true surface areas of reticulated...
For heavy ion fusion (HIF) induction linac drivers, a typical injector requires total beam current of 50-100 A and is comprised of many individual beams of 0.5-1.0 A each. As a step towards developing a full ion driver for inertial fusion energy (IFE) power plants, an Integrated Research Experiment (IRE) will be proposed within a few years [1]. The IRE will have a linac of more than 150 MeV and...
The Electro-Fenton oxidation process is one of the essential advanced electrochemical processes used to treat Phenol and its derivatives in wastewater. was carried out at an ambient temperature different current density (2, 4, 6, 8 mA/cm2) for up 6 h. Sodium Sulfate a concentration 0.05M as supporting electrolyte, 0.4 mM Ferrous ion (Fe2+) catalyst. electrolyte cell consists graphite modified b...
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