Abdul Hai Alami

Abdul Hai Alami
University of Sharjah | US · Department of Sustainable and Renewable Energy Engineering

PhD

About

116
Publications
25,129
Reads
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1,068
Citations
Additional affiliations
June 2021 - present
University of Sharjah
Position
  • Professor
August 2010 - August 2012
Higher Colleges of Technology
Position
  • Mechanical Engineering Faculty
January 2006 - August 2010
Hashemite University
Position
  • Professor (Assistant)

Publications

Publications (116)
Article
Solar photovoltaic technology is a key renewable energy division that has proven effective especially in high solar irradiance regions. However, there the technology faces various operational and technical challenges. This work reviews and discusses recent innovations and research work done on the effect of solar radiation fluctuation, shading, soi...
Article
Ammonia as an energy storage medium is a promising set of technologies for peak shaving due to its carbon-free nature and mature mass production and distribution technologies. In this paper, ammonia energy storage (AES) systems are reviewed and compared with several other energy storage techniques. It is shown that once optimized for commercial use...
Article
Full-text available
Energy storage for medium- to large-scale applications is an important aspect of balancing demand and supply cycles. Hydropower generation coupled with pumped hydro storage is an old but effective supply/demand buffer that is a function of the availability of a freshwater resource and the ability to construct an elevated water reservoir. This work...
Article
Full-text available
Electrochemical CO2 reduction has drawn substantial attention not only due to the demand for energy but also the need for a sustainable environment. In this work, a non-noble based electrocatalyst (Cu2O-MoS2) was developed using a facile method for its application in CO2 reduction. The synthesized composite material was characterized using XPS, XRD...
Article
Solar energy has witnessed a rapid development during the past three decades. However not all solar technologies have reached the same level of maturity. Photovoltaic (PV) technologies possess the lion share of development in all technical aspects including materials, output efficiency, prices and mass production. A remarkable decrease in the cost...
Article
This work investigates the synthesis of Fe-Cu bimetallic alloy and its subsequent deposition on aluminum substrates for iron contaminants elimination in aqueous solutions. The sequential processes of synthesis (with grinding balls) and deposition (without balls) are carried out in a single ball mill resulting in a coating at room temperature. Detai...
Article
With the rapid evolution of photovoltaic systems and technologies, many challenges arise in their installation and operation. Since both developed and developing countries have a significant proliferation of solar PV systems both on grid and off grid, suitable technological solutions must be proposed to mitigate such challenges. In this review pape...
Article
Biological plants such as algae have a great potential of fixating CO2 from flue gases or atmospheric air and converting it into useful biomass. This is because CO2 is part of their photosynthesis process where the gas is an essential input ingredient. In this study, a closed system was designed for algae cultivation and carbon capture as a means t...
Article
In this work, natural dye extracts from Calotropis Procera are used as the main dyesensitizer in solar cells. The Calotropis plant is a non-food item capable of surviving the harsh climate of the United Arab Emirates. Its incorporation into dye-sensitized solar cells is tested by constructing various cells, whose performance was also compared to th...
Article
This paper introduces a comprehensive overview of various graphene production and deposition processes with a main focus on their utilization for energy harvesting and augmentation applications. A focused view on simple yet effective mechanical exfoliation techniques to produce graphene, and sometimes simultaneously deposit it. Two of these techniq...
Article
Full-text available
In this paper a manufacturing process is introduced to treat the bulk surfaces of surfaces via graphite powder blasting to directly produce an adherent layer of graphene. Subsequently, the study aims to correlate optical, thermal and electrochemical modifications with treatment parameters such as blasting pressure, nozzle distance and number of pas...
Article
When two streams of different salinities are mixed, Gibbs free energy of mixing is released. This energy can be harvested and further converted to electric energy through the pressure retarded osmosis (PRO) process. Despite several improvements on PRO over the past decades, there still exist several technical issues pertinent to its adequate implem...
Chapter
This chapter presents a general overview of available mechanical energy storage technologies. Although energy storage is a solemn synonym to chemical batteries, storage options are never limited to them. While electrical energy is the globally preferred form of energy, storing energy in intermediate conversion steps should always be investigated. N...
Article
In this work, the technical feasibility of an all-air vehicle is investigated. A test rig has been built for this purpose in order to assess the proposed system experimentally. The operating pressures selected are deliberately low to mitigate the heat generated/dissipated during charging and discharging of the air cylinders driving an air motor, re...
Article
Over the past years, hydrogen has been identified as the most promising carrier of clean energy. In a world that aims to replace fossil fuels to mitigate greenhouse emissions and address other environmental concerns, hydrogen generation technologies have become a main player in the energy mix. Since hydrogen is the main working medium in fuel cells...
Article
Full-text available
The FeCu alloy system is interesting especially that there exist limited practical procedures to produce tangible interdiffusion between these two basic elements. This work focuses on the high energy ball milling technique to produce the FeCu material, and in some instances, simultaneously deposit them on thin substrates for different applications....
Article
In this work, standalone cobalt dendrites are prepared then doped with graphene flakes by a simple electroplating technique. Microstructural examination using SEM with EDX, as well as Raman spectroscopy measurements, verified the successful formation of graphene. The prepared material exhibit a favorably high electrochemical methanol oxidation acti...
Article
This work presents a pilot study on the photoelectric effect of anatase titanium dioxide (TiO2) deposited on grade 4 titanium discs on their antimicrobial properties, especially for dental implants applications. The prepared specimens are characterized by X-ray diffraction and Raman spectroscopy to ensure a homogenous coverage of the TiO2 material...
Conference Paper
Flexible and Implantable electrodes are proposed in neural sensing and muscle stimulation, particularly for peripheral nerve injuries. Functional stimulations have been used for decades in restoring muscle functions after injuries, and assist the nerve recovery process, which is often slow. Conventional electrodes are fabricated from precious metal...
Article
Full-text available
This work investigates the performance of a single-effect absorption chiller utilizing an aqueous lithium bromide solution as the working fluid and driven by hot fluid rejected from either a geothermal power plant or the outlet of a thermal solar collector. This relatively low enthalpy return fluid, which will otherwise be reinjected back into the...
Article
Full-text available
In this work intrinsically magnetic quasi-crystalline Fe–Cu nanoparticles are used in an aqueous solution for heat transfer enhancement application. The experimental work commenced by synthesizing the Fe–Cu material via high energy ball milling in 1:1 ratio using 10 mm diameter stainless steel balls and crucibles, followed by cryogenic crushing to...
Article
In this work we report on the manufacturing and testing of a photoelectrode made from nickel foam covered with titanium dioxide for potential use as a photoanode in direct urea fuel cells. The microstructure and composition of these electrodes were examined, and their electrochemical response to illumiation documented. The electrodes offer two main...
Conference Paper
Photovoltaic (PV) solar panels are one of the most important sources of renewable energy. The life cycle analysis is a tool used to evaluate components or systems in terms of cost and environmental impact. This paper discusses the life cycle analysis for PV solar panels technology. Two distinct technologies of cells based on single crystalline sili...
Conference Paper
Hybrid PV- thermal system (PV/T) is used to harvest both electrical and thermal energy from solar radiation. Using a hybrid PV/T system improves the electrical efficiency of the PV module while the thermal energy can be used for various heating applications. The aim of this work is to numerically study the performance of the PV/T system in a hot cl...
Conference Paper
We present some facile routes to synthesize copper iodide (CuI) thin crystalline films and crystals. Using both hydrothermal and solvothermal techniques, particles at the nano/micro size are intrinsically produced on copper sheets by controlling the reaction between the sheet and iodine material under various parameters. The results are then charac...
Conference Paper
This work presents the design, manufacture, and testing of a light vehicle powered by compressed air. The results for this phase of development focuses on matching the compressed air discharge with the demand cycle of the vehicle. The compressed air will discharge will drive an air turbine that is coupled with an electrical generator. The latter in...
Conference Paper
The assessment of fuel cell stacks is crucial for the development of fuel cells as renewable energy sources. This development is triggered by the search for cleaner, environmentally friendly, and more efficient energy generation. The goal is to provide sustainable energy requirements of the present without compromising the availability of energy re...
Article
The efforts to curtail carbon dioxide presence in the atmosphere are a strong function of the available technologies to capture, store and usefully utilize it. Materials with adequate CO2 sorption kinetics that are both effective and economical are of prime importance for the whole capture system to be built around. This work identifies such materi...
Article
A simple electrodeposition technique has been used to synthesize Co nanoparticles with a 3D leaf-like morphology at room temperature. The prepared Co material has a layered sheet structure of a few nanometers thickness. The surface area of the Co leaf-like structure is three times higher than that of the Co nanoparticles. The prepared nanoparticles...
Article
Full-text available
This work presents the synthesis and deposition of CuI and FeCu materials on copper substrates for dye-sensitized solar cell applications. FeCu is a metastable alloy of iron and copper powders and possesses good optical and intrinsic magnetic properties. Coupled with copper iodide as tandem layers, the deposition of these two materials was permutat...
Book
Proceedings of the12th International Conference on Sustainable Energy & Environmental Protection
Chapter
A promising new energy storage technology that is fit for maritime mechanical storage of off-peak supply of wind farms capitalizes on the work of a buoyancy force applied on a float.
Chapter
This book will focus on energy storage technologies that are mechanical in nature and are also suitable for coupling with renewable energy resources. The importance of the field of energy storage is increasing with time, as the supply and demand cycles become more and more stochastic and less predictable.
Chapter
The utilization of the potential energy stored in the pressurization of a compressible fluid is at the heart of the compressed-air energy storage (CAES) systems.
Chapter
Pumped hydro storage is analogous to the operation of a massive battery, capable of storing hundreds of megawatts of energy in a simple and sustainable manner. Hydrogeneration projects are strategic in nature and always involve an investment on a national scale. Hydroelectric power is the gift of nature for countries that have water resources (rive...
Chapter
Whenever energy conversion is sought, especially involving thermal systems, thermodynamics and its laws are called upon for help. These laws also aid us in quantifying the amount of losses that are inescapable during the operation of a system under nonideal conditions, so we can design more realistic processes.
Chapter
The first known utilization of flywheels specifically for energy storage applications was to homogenize the energy supplied to a potter wheel. Since a potter requires the involvement of both hands into the axisymmetric task of shaping clay as it rotated, the intermittent jolts by the potter foot meant that the energy supply would have short-term pe...
Chapter
The discussion into mechanical storage technologies throughout this book has entailed technologically simple, yet effective energy storage methods.
Chapter
Elastic elements are among the earliest utilized energy storage techniques in history. Strings in bows and elastic materials in catapults were used to control energy storage and release in ancient war times. The range and momentum of the projectile depended on the mechanical properties of the elastic material launching them.
Chapter
The thermal storage techniques can be classified in a variety of ways based on the energy source and the intended application.
Book
The available literature on energy storage technologies in general, and mechanical energy storage in particular, is lacking in terms of both quantity and quality. This edited volume focuses on novel (yet uncomplicated) ideas that are currently part of the Energy Storage curriculum at the University of Sharjah, UAE. These techniques have been extens...
Article
Due to the rapid increase in their efficiencies, third generation photovoltaics rose to prominence in recent years, and became serious competitors to conventional silicon based and thin film solar cells. This work investigates various techniques to grow and/or deposit copper oxide (CuO) on a copper substrate for utilization as a counter electrode i...
Article
Full-text available
To develop operative surface-enhanced Raman spectroscopy (SERS) sensors, nanostructures with high signal enhancement and ease of production are highly desired. SERS-active nanoparticle-gap-film (NGF) sandwich substrate using graphene as the gap nanospacer is of particular interest due to its strong local field enhancement associated with the atomic...
Article
This paper investigates the utilization of carbon dioxide gas available in mass pressurized storage caverns as a working fluid for a modular low pressure compressed gas energy storage (CGES) system. The system is made up of three 7 L cylinders that discharge into an air turbine to convert the system potential energy into kinetic and eventually into...
Article
This work presents the mechanical exfoliation of graphite into graphene nanoplatelets via high-pressure blasting onto metallic substrates. After ensuring successful graphene deposition via Raman spectroscopy, the substrates are then tested to detect the enhancement of their thermal, optical, and electrochemical properties. The process is facile and...
Chapter
This paper presents an experimental evaluation of compact compressed air energy storage (CAES) system. The advantages of such a system are low cost, easy coupling with renewable resources (mainly wind energy), and high efficiency. While the system considered here is compact in size, the results obtained on the performance parameters, such as effici...
Article
Full-text available
This paper presents the results obtained for incorporating the Al 65 Cu 24 Fe 11 material with the conventional TiO2 as the electron injection layer in dye-sensitized solar cells. The icosahedral phase of the Al-Cu-Fe system has attractive physical and optical properties at the target composition, and is obtained by synthesizing the material via th...
Article
Full-text available
This work investigates a surface-hardening technique applied to pure aluminum rods via dry centrifugal milling. The intrinsically hard binary Fe-Cu material powder, also produced by high-energy ball milling, is incorporated into the surface of the samples to enhance their mechanical properties. The process has the rods and Cu-Fe powder placed in th...
Conference Paper
The United Arab Emirates (UAE) enjoys abundant solar radiation with high ambient temperature. A high operating temperature for photovoltaics is therefore expected in this region. The applications of the third generation dye-sensitized solar cells (DSSCs) are currently hindered by the high production costs associated with the synthetic ruthenium-bas...
Article
This work presents the results of construction and testing of a flat plate thermal solar collector with an absorber section that has enhanced radiative properties through the modification of its surface properties. A copper oxide layer is grown on top of the copper absorber by chemically treating it in an ammonia atmosphere. Then, a novel graphene...
Article
This work presents the construction and testing of solar cells sensitized with natural dyes extracted from plants indigenous to the desert. Calotropis plants are self-sufficient as they grow in very harsh environments, and yet are not consumed by humans or livestock due to their irritating agents to the skin and eyes. The energy generators of these...
Article
Full-text available
This work presents the experimental assessment of a facile and effective method for polymer welding. The setup includes a 20-cm-diameter clear crystal sphere that concentrates solar energy onto an infinitesimally small point (0.8 mm). The motion of this focal point performs the welding operation, which is controlled with good precision by a compute...
Article
Full-text available
This work investigates the feasibility of fabricating a flexible transparent photoelectrode for dye-sensitized solar cell applications. The traditional electrodes are brittle but highly conductive and transmissive ITO, and thus the advantages of introducing flexibility are explored in this research project. PET (Polyethylene Terephthalate) is a mat...
Article
Full-text available
This paper presents the results obtained for dye-sensitized solar cells with an Al65Cu24Fe11 mesoporous layer replacing the conventional TiO2 layer. The synthesis of the icosahedral quasicrystalline Al-Cu-Fe compound is done by high energy ball milling to ensure the highest possible diffusion of the starting powder elemental materials, and the evol...
Article
Graphene is a 2-D carbon material showing considerable prominence in a wide range of optoelectronics, energy storage, thermal and mechanical applications. However, due to its unique features which are typically associated with difficulty in handling (ultra-thin thickness and hydrophobic surface, to name a few), synthesis and subsequent deposition p...
Article
The construction and testing of a modular, low pressure compressed air energy storage (CAES) system is presented. The low pressure assumption (5 bar max) facilitates the use of isentropic relations to describe the system behavior, and practically eliminates the need for heat removal considerations necessary in higher pressure systems to offset the...
Article
The article investigates the synthesis and deposition of YBCO on a copper substrate for various functional purposes. The superconductor is first prepared by mechanically alloying elemental components (yttrium, barium, and copper) for 50 hours in a high-energy ball mill with subsequent protocol of heat treatment in an oxygen-rich atmosphere to arriv...
Article
Full-text available
A reverse osmosis system was designed and powered by photovoltaic panels for the production of potable water. Elements of system design and integration were identified and optimized. These include capacity planning, standalone capabilities by providing battery storage system and economic analysis. The experimentation on the system, performed in the...
Article
Full-text available
This study investigates the performance of dye-sensitized solar cells constructed with a Fe-Cu metastable material as the mesoporous layer on which a natural organic dye is applied. The synthesis of the Fe-Cu material is done via a high throughput process that produces nanosized particles from elemental metallic powders. Xanthophyll is singled out...
Article
Full-text available
This paper investigates the effect of applying static and dynamic magnetic fields on the deposition of Fe-Cu compound on the working electrode of a dye-sensitized solar cell. The deposition of this compound on glass is complicated due to the fact that it cannot be evaporated or sintered beyond the dissociation temperature of 973 K (700 °C), and the...
Article
This paper investigates the effect of applying static and dynamic magnetic fields on the deposition of Fe-Cu compound on the working electrode of a dye-sensitized solar cell. The deposition of this compound on glass is complicated due to the fact that it cannot be evaporated sintered beyond the dissociation temperature of 973 K (700°C), and the doc...
Conference Paper
Full-text available
This paper investigates the synthesis, microstructural characterization, electrical and optical and thermal testing of Fe-Cu metastable alloy system for selective solar absorption applications. The system is produced by mechanical alloying (MA) using high energy ball milling while monitoring its crystallographic morphology via X-ray diffraction (XR...