Mojtaba Mirzaeian

University of the West of Scotland | UWS · School of Computing Engineering & Physical Sciences

Cobalt oxide (Co3O4) has seen a significant interest for its application as an electrode for supercapacitors, due to its cost-effectiveness, high theoretical capacitance and outstanding redox activity. However, Co3O4 exhibits poor electrical conductivity and cycle life restricting its high-power energy storage applications. High porosity carbons ar...

Zinc oxide (ZnO) and materials based on it are often used to create battery-type supercapacitor electrodes and are considered as promising materials for hybrid asymmetric supercapacitors. However, when creating such electrodes, it is necessary to take into account the instability and degradation of zinc oxide in aggressive environments with a non-n...

The main purpose of this review is to present comprehensive research on all solid‐state electrolytes in a single frame. In next‐generation rechargeable solid‐state batteries, the solid‐state electrolytes are well known for their thermal stability, ionic conduction, and electrochemical stability. Therefore, in scientific societies, the development o...

Supercapacitors play an important role in a future clean-energy landscape to meet the challenges of existing energy-storage/delivery systems. They suffer from low energy density and are mainly used for the storage/delivery of electrical energy in high power demands. However, improvement of their energy density is vital to develop energy storage sys...

Swift developments in electronic devices and future transportation/energy production directions have forced researchers to develop new and contemporary devices with higher power capacities, extended cycle lives, and superior energy densities. Supercapacitors are promising devices with excellent power densities and exceptionally long cycle lives. Ho...

As an important element of energy storage systems, Supercapacitors are energy storage devices with high power density. In order to ensure their high efficiency, along with a high specific capacitance, it is important to lower their series resistance. Carbon materials with a high specific surface area have been widely used as potential electrode mat...

Graphene is fundamentally a two-dimensional material with extraordinary optical, thermal, mechanical, and electrical characteristics. It has a versatile surface chemistry and large surface area. It is a carbon nanomaterial, which comprises sp2 hybridized carbon atoms placed in a hexagonal lattice with one-atom thickness, giving it a two-dimensional...

Electrochemical pseudocapacitors, along with batteries, are the essential components of today’s highly efficient energy storage systems. Cobalt oxide is widely developing for hybrid supercapacitor pseudocapacitance electrode applications due to its wide range of redox reactions, high theoretical capacitance, low cost, and presence of electrical con...

This study aims to highlight the energy improvement potentials of Pakistan's paper sector that is one of the most energy intensive industries by benchmarking its specific energy consumption (SEC) to produce a similar grade of paper. To address issues such as the lack of indicators for energy efficiency benchmarking in Pakistan's paper industry. Fur...

The decarbonization of energy to meet the low-carbon energy strategy set for 2050 has led to a continuous increase in the contribution of electricity generated from renewables to our growing energy demands, where their inherent intermittency of supply must be addressed by a step-change in energy storage [...]

This work reports the preparation of hydrogel nanocomposites based on copolymerization of methyl methacrylate using ammonium persulfate as the initiator, methylene bisacrylic amide as the crosslinker & various amounts of functionalized CNT for inter-hydrogel binding. Functionalization of CNTs was performed by its oxidation at room temperature using...

The oil industry faces with crude oil emulsions formation issue. It is a common problem for the most of oil-producing countries around the world, including the Republic of Kazakhstan. Mainly, water-in-oil type of emulsions (or reverse emulsions) are formed during oil extraction and transportation. The presence of water in crude oil causes an increa...

The rapid growth of different renewable energy sources has resulted in the need for efficient energy storage systems that can accommodate such an increase in the renewable energy supply. Among the different renewable energy storage systems, electrochemical storage systems such as batteries and supercapacitors have high efficiency and are considered...

Extensive use of carbon-based materials has revolutionised the number of modern scientific areas such as transportation, electronic, material chemistry and electrochemical energy storage, mainly due to their outstanding characteristics such as excellent conductivity, mechanical strength, ease of availability and cost-effectiveness. However, it is d...

Zinc oxide is a promising multifunctional material. The practical use of nano- and polycrystalline ZnO devices faces a serious problem of instability of electrical and luminescent characteristics, due to the adsorption of oxygen by the surface during aging. In this paper, the aging effect in ZnO films and nanorod arrays was studied. It was found th...

Electrochemical capacitors are devices capable of absorbing and delivering energy over short time-scales ideal for high-power/low energy applications such as automotive acceleration and braking. They are considered as one of the most promising energy storage technologies owing to their distinct properties such as exceptionally high power capabiliti...

Attributable to increase demand of electrical energy storage (EES), various rechargeable battery systems have been installed successfully, with lithium ion batteries (LIBs) leading the way. However, LIBs are facing resources limitations due to inadequate availability and uneven geological distribution of lithium which makes it difficult especially...

Electrochemical energy storage and conversion systems such as electrochemical capacitors, batteries and fuel cells are considered as the most important technologies proposing environmentally friendly and sustainable solutions to address rapidly growing global energy demands and environmental concerns. Their commercial applications individually or i...

In this study, RF-based un-doped and nitrogen-doped aerogels were produced by polymerisation reaction between resorcinol and formaldehyde with sodium carbonate as catalyst and melamine as the nitrogen source. Carbon/activated carbon aerogels were obtained by carbonisation of the gels under inert atmosphere (Ar) followed by activation of the carbons...

Cobalt oxide nanopowders are synthesized by the pyrolysis of aerosol particles of water solution of cobalt acetate. Cobalt nanopowder is obtained by subsequent reduction of obtained cobalt oxide by annealing under a hydrogen atmosphere. The average crystallite size of the synthesized porous particles ranged from 7 to 30 nm, depending on the synthes...

Solid state electrochemical energy storage devices such as all solid state batteries and supercapacitors have attracted huge attention to replace the traditional aprotic liquid electrolyte based electrochemical energy storage systems. Since aprotic liquid based devices suffer from operational safety issues, inferior electrochemical cycling/energy d...

In this article different classes of electrode materials will be discussed for fuel cell applications. Due to increased interest in low emission/zero emission energy devices, the development of clean energy generation devices such as fuel cells has seen a rapid growth. Therefore, it seems necessary to address various challenges faced by fuel cell t...

Energy storage is considered as one of the key component of forthcoming low carbon energy scenario expected to be developed by using renewable sources of energy such as wind, tidal and solar energy. Electrochemical energy storage systems particularly electrochemical batteries provide the most appropriate solution to enhance grid stability and impro...

Following the successful development and application of lithium-ion batteries, sodium-ion batteries are making inroads towards better acceptance from both research communities and industrial entities as a promising electrochemical energy storage system (EESS) for wide ranging commercial applications. Wealth of knowledge of technological development...

An efficient steam distribution system is essential if steam of the right quality and pressure is to be supplied, in the right quantity, to the steam using equipment in any industry. This paper describes a feasibility study of the implementation of different energy optimisation opportunities in a steam distribution system of a steel plant to evalua...

The potential of a radio frequency (RF) magnetron sputtered silver (Ag) thin film electrodes, for electrochemical energy storage application is presented in this paper. Scanning electron microscope (SEM) was used to reveal the information on the morphology and growth mode of the deposited silver thin film samples. The stoichiometry of the RF sputte...

The energy storage potential of silver oxide (Ag 2 O) thin film electrodes, deposited via radio frequency reactive magnetron sputtering, were investigated in an ionic electrolyte (1-Ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide for supercapacitor applications. X-ray diffraction (XRD), Raman spectroscopy, X-ray photoelectron spectrosco...

Nitrogen doped resorcinol/formaldehyde carbon aerogels with controlled nitrogen content are synthesized by controlling the resorcinol/melamine molar ratio (R/M) during the synthesis of aerogel precursors. The carbons were used as electrode materials in an electrochemical capacitor using 6 M KOH solution as electrolyte. All samples exhibited amorpho...

We present an investigation into the pseudo-capacitive energy storage potential of silver (Ag) and silver oxide (Ag2O) thin film electrode materials prepared by reactive magnetron sputtering. The growth mode and morphology of the prepared films were investigated using the scanning electron microscope (SEM), which reveals columnar growth structure a...

Re-Tek UK and its partners, Enscape Consulting and the University of West of Scotland commenced trials for the collection and recovery of critical raw materials from waste electrical and electronic (WEEE) products in July 2016. Sponsored by the EU LIFE funded project ‘Critical Raw Material Closed Loop Recovery’ coordinated by WRAP with EARN, ERP UK...

Nitrogen doped resorcinol (R) and formaldehyde (F) based polymeric gels were synthesised by polymerisation reaction. Nitrogen heteroatoms were incorporated in the bulk network of polymeric gels using melamine as nitrogen source. The resultant aerogels were carbonized at a temperature range 750 to 900 ºC under Ar to prepare nitrogen doped carbon aer...

Highly porous carbon aerogels are synthesised by sol-gel polymerisation of resorcinol (R) and formaldehyde (F) using sodium carbonate (C) as catalyst followed by carbonization under steady flow of argon (Ar). The effect of resorcinol / catalyst (R/C) ratio and carbonization temperature on the porous structure of resultant gels and carbons was inves...

Highly porous nitrogen doped carbon / activated carbons were synthesised through polycondensation of resorcinol (R) and formaldehyde (F) where nitrogen was incorporated into polymer matrix using melamine as nitrogen source. N-doped carbon / activated carbons were characterised for their physical structure and their electrochemical performance was a...

Polymeric carbon/activated carbon aerogels were synthesized through sol-gel polycondensation reaction followed by the carbonization at 800 °C under Argon (Ar) atmosphere and subsequent physical activation under CO2 environment at different temperatures with different degrees of burn-off. Significant increase in BET specific surface area (SSA) from...

As a background to this book chapter, the thermal hydraulic properties of fluids in microchannels have been reviewed. Figure 17.1 (Qu and Mudawar) [1] is an electronic component on top of a microchannel heat sink.

Nitrogen is introduced in bulk network of carbon aerogels as heteroatoms from polymeric precursor containing nitrogen; melamine was used as nitrogen sources incorporated into the polymer matrix using the sol–gel process. To analyse the effects of nitrogen on the morphology, surface chemistry and electrochemical properties, the carbon aerogels were...

Re-Tek UK and its partners, Enscape Consulting and the University of West of Scotland commenced trials for the collection and recovery of critical raw materials from waste electrical and electronic (WEEE) products in July 2016. Sponsored by WRAP CRM (Life funded) the trials are aimed at boosting the recovery of critical raw materials (CRMs) from ho...

Re-Tek UK and its partners, Enscape Consulting and the University of West of Scotland commenced trials for the collection and recovery of critical raw materials from waste electrical and electronic (WEEE) products in July 2016. Sponsored by WRAP CRM (Life funded) the trials are aimed at boosting the recovery of critical raw materials (CRMs) from ho...

Polymeric carbon and activated carbon aerogels were synthesized through sol-gel polycondensation reaction followed by the pyrolysis at 800 ºC under Argon (Ar) and physical activation under CO2 at different temperatures with different degrees of burn-off. The BET specific surface area (SSA) of the carbons was increased from 537 to 1775 m2g-1 and the...

Among different electric energy storage technologies electrochemical capacitors are used for energy storage applications when high power delivery or uptake is needed. Their energy and power densities, durability and efficiency are influenced by electrode and electrolyte materials however due to a high cost/performance ratio; their widespread use in...

Controlled porosity carbons aerogels were synthesized by sol–gel polycondensation of resorcinol (R) and formaldehyde (F) using sodium-carbonate as the catalyst (C). The Effect of variation of R/C ratio and carbonization temperature on the porous structure of resultant gels and carbons was investigated by characterizing the porous structure of the m...

Pulp and paper production is a highly energy intensive process and improvement of energy efficiency in this process is considered as promising measures for reducing industrial greenhouse gases emissions (GHG). This study focuses the Pakistan's pulp and paper industry which consumes around 7% of the country's industrial energy and contributes to ove...

Resorcinol (R) formaldehyde (F) gels were synthesized by sol-gel polycondensation reaction using sodium carbonate as catalyst (C) followed by solvent exchange and vacuum drying. Porous structure of polymeric gels was tuned by controlling the R/C ratio. RF carbon aerogels were prepared by the pyrolysis of the RF gels at 800 ºC under Argon (Ar). RF b...

In this paper, feasibility analysis to implement different cogeneration systems using agricultural waste (rice husk) along with natural gas as an alternative source of energy for energy saving and cost optimization in a chemical plant is carried out. The authors believe that such feasibility studies by employing rice husk and natural gas in a cycle...

Nitrogen doped Resorcinol (R) formaldehyde (F) gels were synthesized by sol-gel polymerization using sodium carbonate as catalyst (C) followed by solvent exchange and vacuum drying. Porous structure of polymeric gels was controlled by the pyrolysis of the gels under Argon (Ar) followed by the activation of the resultant carbons under CO2 atmosphere...

Cogeneration is considered as one of the promising energy efficient techniques for producing electricity and useful thermal energy from a single fuel source. This paper describes a feasibility study of the implementation of different cogeneration options to a paper mill to evaluate their energy saving potentials and economic benefits. The investiga...

The effect of activated carbon potential on the interaction of carbon with erythrocytes was investigated. A significant contribution of carbon potential in the mechanism of adsorption was elucidated via the counterintuitive observation that the maximum of erythrocyte adsorption occurred on the carbon brand with the lowest specific macropore volume,...

Two-antennary Oligoglycines: Interfacial Layer Properties on Aqueous and Solid Surfaces D. Arabadzhieva1, St. Stoyanov1, E. Mileva1, M. Mirzaeian2, A. A. Ogwu2, Qaisar Abbas2 (1) Institute of Physical Chemistry, BAS, “Acad.G.Bonchev” Str., bl.11, Sofia 1113, Bulgaria, dimi@ipc.bas.bg (2) School of Engineering and Computing, University of the West...

Effect of Interfacial Processes on the Electrochemical Properties of Carbon Based Electrodes for Supercapacitor Applications M. Mirzaeian1, Q.Abbas1, A. A. Ogwu1, E. Mileva2, D. Arabadzhieva2, S. Aidarova3. (1) School of Engineering & Computing, University of the West of Scotland, Paisley, PA1 2BE, UK, mojtaba.mirzaeian@uws.ac.uk (2) Institute of...

In this paper the preparation of nano-structured silver oxide thin films with different oxidation states with promise as electrode materials for supercapacitors by reactive magnetron sputtering is investigated. The chemical, structural, surface morphological dependence of the films on oxygen gas flow rate and deposition power were examined by scann...

In this article, a numerical simulation has been performed to investigate the sub-cooled boiling flow in axisymmetric channels using the two-phase particle model. The equivalent diameter of the channel is 4.38 mm with 365.7 cm in length. The fouling deposited layer is filled with subsequent two-thirds of the flow channel. The internal surface of th...

It is known that normal erythrocytes (discocytes) may undergo transformation in degenerative forms (e.g. echinocytes or stomatocytes) due to changes in temperature, electrolyte concentration, pH, and the addition of certain agents [1]. It is also important that the morphology of red blood cells depends on transmembrane potential [2]. On the other h...

The problem of trauma or destruction of blood cells in contact with different foreign materials is important when selecting suitable material for the manufacture of stent grafts, other implants, hemosorbents etc. According to well-known model of electrochemical interaction in the system [electroconductive material]/[blood cells] [1] the decrease of...

Cogeneration proved itself as one of the promising energy efficient technique to produce electricity and useful thermal energy from a single fuel source. Detailed study of thermoeconomics parameter relevant for the feasibility study of employing biomass fuel for cogeneration is presented in this study. Three different plant configurations are prese...

This paper presents an analysis aimed to evaluate the feasibility of CHP systems to improve the energy efficiency in a paper mill. The considered CHP systems are based on technologies (gas turbine, steam turbine and combined cycle) and are evaluated on the basis of overall energy efficiency, primary energy saving and payback period. The mill employ...

There is currently considerable interest in the use of renewable energy sources as clean and efficient energy supplies because of serious concerns about the anticipated doubling of world energy consumption within the next 50 years, and also due to intense interest in the use of low – or even zero – emission energy sources as the world strive to red...

At the present time, early posttransplant complications in patients are diagnosed and evaluated based on the analysis of a complex of clinical observations and laboratory tests reflecting the status of various bodily systems. One important diagnostic parameter for transplant patients is the status of the prooxidant/antioxidant balance in bodily flu...

Abstract There is currently considerable interest in the use of renewable energy sources as clean and efficient energy supplies because of serious concerns about the anticipated doubling of world energy consumption within the next 50 years, and also due to intense interest in the use of low – or even zero – emission energy sources as the world str...

Acute blood loss is one of the main contributing factors that determine the severity of a trauma patient’s condition. It is well known, however, that the transfusion of more than 1 L of donor blood plasma may lead to complications. Therefore, the reinfusion of the patient’s own blood lost in the course of trauma to serous cavities undoubtedly has i...

Acute blood loss is one of the main contributing factors that determine the severity of a trauma patient’s condition. It is well known, however, that the transfusion of more than 1 L of donor blood plasma may lead to complications. Therefore, the reinfusion of the patient’s own blood lost in the course of trauma to serous cavities undoubtedly has i...

Presently, no known prognostic methods are capable of predicting recovery outcome in postoperative treatment of transplant patients. It is well known that the equilibrium between active oxygen forms and antioxidants in the blood reflects the condition of the organism to a certain extent. It is also known that acute pathological states can cause an...

Owing to its extremely light weight and lowest electronegativity in the existing metals lithium can donate electrons the most easily to form positive ions and therefore lithium based batteries have the highest energy density, highest specific energy and highest operating voltage among the other metal based batteries. The capacity of a lithium batte...

Abstract: Owing to its extremely light weight and lowest electronegativity in the existing metals lithium can donate electrons the most easily to form positive ions and therefore lithium based batteries have the highest energy density, highest specific energy and highest operating voltage among the other metal based batteries.

The synthesis of resorcinol formaldehyde xerogels was investigated by controlling its porosity for potential use as adsorbents for heavy metals removal from industrial wastewater. Resorcinol formaldehyde carbon xerogels were synthesised by sol-gel polymerization of resorcinol (R) with formaldehyde (F) in the presence of sodium carbonate (C) and the...

The electrochemical performance of the Li/O-2 battery under different operation conditions was studied to elucidate the effects of discharge rate, discharge depth and charge taper voltage on the performance and state of charge of the battery. Galvanostatic discharge profiles at various discharge rates showed that the effective capacity of the cell...

The use of Room Temperature Ionic Liquid (RTIL) electrolytes promises to improve the energy density of Electrochemical Capacitors (ECs) by allowing for operation at higher voltages. RTIL electrolytes 1-ethyl-3-methylimidazolium tetrafluoroborate (EMImBF(4)), 1-ethyl-3-methylimidazolium dicyanamide (EMImN(CN)(2)), 1,2-dimethyl-3-propylimidazolium bi...

Here we demonstrate the use of polymer derived activated carbons as the potential electrode material for Li/O-2 batteries. The activated carbons were synthesized by sol-gel polycondensation of low cost phenol and formaldehyde followed by carbonization at 1050 degrees C in an inert atmosphere and activation under CO2 to different degrees of burn off...