ADVANCED OXIDATION PROCESSES (ETM 816)

Fundamentals and background of advanced oxidation processes (AOPs). The role of hydroxyl radicals and their generation. Reaction kinetics and degradation mechanisms of organic pollutants by hydroxyl radicals. Effects of process parameters and scavenging media on degradation efficiency. Removal of specific pollutants in aqueous media; biodegradability enhancement and toxicity reduction. Fundamentals of UV irradiation. Absorption and bond dissociation energies. UV sources and their characteristics. UV photolysis background. Actinometry. Direct photolysis. UV light based (photochemical and photocatalytic) AOPs for water and wastewater treatment; opportunities and challenges. Modeling approach for AOPs simulation. Common oxidants and catalysts and their alternatives. Fenton reaction. Alternative catalysts for Fenton reaction. Types of homogeneous and heterogeneous Fenton and photo-Fenton processes; influencing parameters, reaction kinetics and mechanisms. Iron catalysts in heterogeneous Fenton processes; sources and supports. Ozonation; background and fundamentals, reaction kinetics and mechanisms. Application of homogeneous and heterogeneous catalytic ozonation in water treatment. Reactor configurations; batch and continuous flow systems

ACEFUELS: No

ELECTROCHEMICAL SENSORS AND BIOSENSORS (ETM 814)

Definitions and theoretical background. Sensing systems and components. Signal transducing systems; Receptor systems; Sensing systems. Analytical performance indicators (sensitivity, selectivity, accuracy, precision, response time, reversibility, repeatability). Basic concepts in electroanalytical chemistry. Electronic and electrochemical signals, signal-to-background ratio and detection limits. Electroanalysis of environmental samples. Direct voltammetric (or polarographic) determination of pollutants. Ion-selective electrodes and potentiometry. Electrochemical sensors in environmental analysis. Types of electrochemical sensors. Sensors and biosensors for inorganic and organic contaminants. Materials and membranes for sensor electrode fabrication (conducting polymers, porous membranes etc.). Functional materials for sensing systems. Development of electrochemical sensors by micro and nanofabrication techniques. Integrated sensing systems and microfluidics. Micro-electro-mechanical systems (MEMS) and Bio(MEMS). Lab-on-a-chip systems. Biochips. Micro-total-analytical systems (mTAS). Detecting systems: Conductivity detectors. Photo-assisted detection of pollutants. Electrochemical detection and enumeration of microorganisms.

ACEFUELS: No

ELECTROCHEMICAL/ELECTROKINETIC REMEDIATION (ETM 812)

Classification of pollutants. Environmental media and pollutant transport. Current methods for pollutant analyses.  Current methods for pollutant detection and treatment. The concept of Environmental Electrochemistry. Electroanalytical techniques. Electrochemistry of inorganic and organic pollutants. Electrolysis and electrodeposition. Design of electrochemical reactors. Photoemission at metal electrodes. Electrokinetic phenomena and electrochemical remediation. Direct and indirect electrolysis of pollutants in the aqueous phase. Electroflotation, electrocoagulation and electroflocculation. Membrane-assisted Processes. Electrokinetic remediation of soils and sediments. Water disinfection: Background and principles. Electrochemical disinfection of water. Photoelectrochemical disinfection of air and water. Emerging materials for electrochemical treatment of pollutants.

ACEFUELS: No

BATTERY TECHNOLOGY (ETM 806)

Basic operating principles, materials selection criteria, design and fabrication properties and capabilities, applications areas and system aspects of batteries. Components and processes in batteries. Battery production at laboratory-scale and industrial-scale assembly (electrode, cell, module). Battery management systems. Battery characterization methods (overpotential, battery capacity, state of charge, charge/discharge cycles, state of health, impedance). Review of various battery applications: mobility, mild hybrid, plug-in-hybrid, battery electric vehicle (BEV) for cars and ships, utilities, grid storage. Life Cycle Analysis according to cost and environmental aspects; material and energy consumption, reuse, recycling. Overview of specific primary and rechargeable batteries (Lead-acid, Li-ion, NiMH, NaS, metal-air etc.), including their advantages and disadvantages, operation and safety. Focus on Li-ion battery development and safety issues (thermal runaway, short-circuiting, fire/explosion hazard).

Lecturer: Egwu Kalu
ACEFUELS: No

ELECTROCHEMICAL STORAGE TECHNOLOGIES (ETM 804)

Economical and energy analyses for the introduction of energy systems based on renewable energy resources and hydrogen. Engineering and characterization of electrochemical storage devices: Important rechargeable and non-rechargeable battery technologies; various fuel cells; solar cells, capacitors and supercapacitors; photovoltaic cells, photoelectrochemical cells, different hydrogen storage technologies, superconductors. Chemical storage using hydrogen and fuel cells. Operation and design of various electrochemical storage technologies. Energy Storage Challenge: an experimental group project to design, fabricate and characterize electrochemical storage devices, including cost/benefit analysis.

Lecturer: Egwu Kalu
ACEFUELS: No

ENERGY APPLICATIONS OF ELECTROCHEMISTRY (ETM 802)

Thermodynamics of electrochemical systems. Principles of equilibrium and non-equilibrium electrochemistry, transport phenomena, electrostatics, porous electrodes. Interfacial electrochemistry. Semiconductor electrochemistry and photocatalysis. Conventional and next generation electrocatalysts and electrochemical reactors. Mixed ionic-electronic conductors. Introduction to the concept of electrochemical energy. Electric power from solar cells, principles of operation, characteristics. Electrochemical energy production methods. Electrochemical production of hydrogen. Water electrolysis. Safety in hydrogen handling. Electrochemical energy conversion: Fuel cells and photoelectrochemical cells. Thermodynamic and kinetic calculations for electrolysis cells and fuel cells. Mathematical models of electrochemical energy conversion. Applications of solar cells, hydrogen and fuel cells in stationary and mobile systems

ACEFUELS: No

ELECTROCHEMICAL PRINCIPLES AND METHODS (ETM 817)

The solid-electrolyte interface. The electric double layer and electrochemical capacitors. Interfacial electrochemistry. Mass transfer in electrochemical systems. Electrocatalysts and electrochemical reactors. Semiconductor electrochemistry, Semiconductor/electrolyte interface. Principles of electrochemical sensors. Safety procedures for work at FUTO laboratories. Analytical accounting nomenclature: Accuracy, Precision, Resolution, Error propagation etc. Overview of standard equipment used in electrochemistry (potentiostats, counter and reference electrodes, electrochemical cells etc). Design of electrochemical reactors. Survey of electrochemical processes and power sources. The general principles, theoretical and practical, of some materials characterization techniques (SEM, XRD, FTIR).

ACEFUELS: No

ELECTROCHEMICAL ENERGY STORAGE (ETM 815)

Electrochemical devices and their basic principles of operation: Batteries, fuel cells, capacitors and supercapacitors; photovoltaic cells and photoelectrochemical cells. Energy storage technologies: Electrochemical storage systems (Lead-acid battery, lithium-ion battery, liquid metal battery, nickel-based batteries, flow batteries). Electrical storage systems (Supercapacitors, superconducting magnetic energy storage). Hydrogen energy storage technology (Electrolysis with cryogenic storage). Metal-organic frameworks as molecular gas cylinders for hydrogen. Safety in hydrogen handling.

Lecturer: Egwu Kalu
ACEFUELS: No

MATERIALS FOR ELECTROCHEMICAL TECHNOLOGY (ETM 813)

Solid state electrochemistry. Defect chemistry. Solid state ionics. Solid and polymer ionic conductors. Electrochemistry of mixed ionic-electronic conductors. Solid state redox reactions. Electrochemical energy materials. Electrolytes and electrode materials for rechargeable and non-rechargeable batteries, electrochemical capacitors, fuel cells and electrolytic cells. Efficiency of electrode materials. Effect of microstructure on electrode material performance. Charge and mass transfer considerations. Importance of carbon science and technology. Characterization of carbon materials used in electrochemical technology. Active carbon, carbon black, fullerenes, and graphene. Carbon electrodes for Li-ion batteries, supercapacitors and fuel cells. Ionic liquids: Introduction, properties, synthesis, functionalities, applications.

Lecturer: Egwu Kalu
ACEFUELS: No

FUNDAMENTAL ELECTROCHEMISTRY (ETM 811)

Electrodes and cell reactions. Electrolytic and galvanic cells. Thermodynamics of electrochemical reactions. Electrode kinetics. Current-voltage features of charge-transfer reactions. Interfaces, Interphases, Electrical double layers: Theory & Models and electrode processes. Mass transfer processes in electrochemistry. The electrode/solution interface at equilibrium. Polarization electrodics.  Transport, activation and ohmic overpotential. Butler-Volmer equation. Electrochemical description of biological cells. Electrochemistry in environmental monitoring and remediation. Electrochemical basis of corrosion and corrosion control: Corrosion cell. Kinetics of corrosion reactions: Polarization curves, mixed potential theory, passivity, effect of mass transfer. Quantitative estimation of corrosion rates. Electrokinetic Phenomena. Electrochemical remediation for pollution control. Electrochemical oxidation of organic contaminants.

Lecturer: Kanayo Oguzie
ACEFUELS: No