Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 12 of 12 for “"TK2896-2985 Production of electricity by direct energy conversion"”.
-
Production of single cell anode-supported SOFC using NiO/YSZ-YSZ-LSM/YSZ powder materials
Solid oxide fuel cell (SOFC) is an energy conversion device that converts gas into electricity directly. The components consist of anode, electrolyte and cathode which have different properties and operate at high temperatures up to 1000 οC. SOFC requires a thin, robust, porous anode, dense …
-
Aluminium nitride (AlN) as buffer layer for deposition of gallium nitride (GaN) thin films on silicon substrates using magnetron sputtering technique
Group III-nitrides semiconductors composed of gallium nitride (GaN), Indium nitride (InN), and aluminium nitride (AlN) had found use in broad technologies especially in optoelectronic and power devices. The main issues that limit the performance of GaN-based ultraviolet light-emitting diodes …
-
A comprehensive fractal approach in determination of the effective thermal conductivity of gas diffusion layers in polymer electrolyte membrane fuel cells
… and water management for accurate determination of the effectiveness thermal conductivity of gas diffusion layers (GDL) used in polymer electrolyte membrane fuel cells (PEMFC‟s). This is one of the factors affecting the durability of a fuel cell and need to get a solution to minimize costs and …
-
Pulse electric field effect on cervical cancer cell: a plant based anti-cancer study
Cancer is listed in top ten global causes of death in 2016. The percentage of cancer incidence and mortality are steadily rising over the year. This necessitates alternate anti-cancer treatment as the conventional treatment have resulted in high number of long- term survivors who are left to deal …
-
Fabrication and optimization of N-Cu2O thin film using electrodeposition method for homojunction solar cell
… A homojunction Cu2O is said to provide high conversion efficiency for solar cell. However, as Cu2O is a natural p-type semiconductor, it is a challenge to make an n-type Cu2O. In this study, n-Cu2O was prepared by using electrochemical deposition. The structural, morphological, optical and …
-
Investigations of Ni-SDC carbonate (Ni-SDCC) as composite anode for low temperature solid oxide fuel cells
… other low temperature solid oxide fuel cell (LTSOFC) components. This study focuses to investigate the correlation of powder composition and calcination temperature on the chemical compatibility, morphologies, thermal and electrochemical performance of NiO-SDCC composite anode. NiO-SDCC composite …
-
Optimization of PEDOT: PSS thin film for organic solar cell application
As a clean and renewable energy source, the development of the organics solar cells is very promising due to the inorganic solar cell inconvenient production process and material shortness. In this work, P3HT: PCBM bulk-heterojunction devices were produced by spin coating organic layers onto ITO …
-
Development of time delay current control for lead acid battery 12 v DC by using arduino
Development of time delay current control for lead acid battery 12 V dc by using Arduino is the aim of this thesis. The development problem is necessary before applying control techniques to guarantee the execution of any task according to a desired input with minimum error. The main objective of …
-
Development of time delay voltage control for lead acid battery using arduino
… mosfet as a switching component has been drives by using gate driver as a medium between buckboost circuit and the ARDUINO that generates the PWM signals. The several of input voltage range which is from 10V for minimum voltage until 18V for maximum voltage has been tested in this project to …
-
Development of repetitive current control for lead acid battery using arduino
This project focused on development of repetitive current control for lead acid battery using Arduino. The project uses Buck-Boost converter circuit with reference voltage of 14V from lead acid battery. The range of buck operation input voltage is between 18V to 15V while boost operation input …
-
Titanium dioxide (TiO2) as buffer layer in organic solar cell device
Organic solar cell device has become one of the most promising ways to tackle today's energy issue by offering low production cost, light weight, mechanically flexible and possibility of large area fabrication. Poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl C61-butyric acid methyl ester (PCBM) …
-
Limitation of lithium fluoride (LiF) properties for passivation layer in organic solar cells application
Organic solar cell (OSC) is a low cost renewable energy. Instead of semiconductor silicon solar cell; it is a device that converts the energy of light into electrical energy using photovoltaic effect. Nowadays, global warming and emission of greenhouse effect are the sources of the destruction of …