Programme par session

EFCE WP Electrochemical Engineering

Summer School Program, 27-31 August 2018

Section 1:            Electrochemistry-Basic elements

Oxidation-Reduction, anode-cathode, polarities-spontaneous (or not) reactions, Double layers, electrode potential, Nernst equation, reference electrodes, electrolysis, examples of electrochemical processes

Section 2:            Electrochemical kinetics

Butler-Volmer (BV) law (I=f(E)) and derived forms  (Overpotential, kinetic parameters), BV approximations at high and low overpotential (linear equations, Tafel).  Electrocatalysis applications.

Section 3:         Mass transfer

          Section 3a:       Fundamental part

Faraday Law, I-chemical rate-flux relation, molar flux expressions, mass transport modes, examples.  Nernst simple-film model, I^st Fick s law, Simplified limiting current approach/ mixed control (kinetic + mass transport) /Derived form of the Butler-Volmer law-Applications (I=f(E), E1/2, analysis,.)

          Section 3b:       Mass transport phenomena I

                -Migration flux, electrolyte conductivity, supporting electrolyte, mobility, transference number

                -Microscopic 'mass' and 'charge' balances, simplified forms and derived laws of: Ohm, Nernst-Planck, Laplace, Fick

          Section 3c:       Mass transport phenomena II

                        -Forced convection effects, laminar and turbulent flow, mass transport correlations, effects of gas bubbles.

                        -Transfer in heterogeneous media (porous electrodes, polymeric organic and mineral membranes, conductive  additives into the bulk)

Section 4:         Electrochemical reactor

          Section 4a:     -design and operation

Electrode materials and components for reactors building, divided/undivided cells, membranes and separators, monopolar/bipolar cells, three dimensional electrodes, gas diffusion electrodes.  Fundamental relations: yields/conversion, cell voltage, power and energy consumption, investment costs vs running costs 

          Section 4b:     -mass balance

Macroscopic mass balance for Batch, plug flow, CSTR, under potentiostatic, Galvanostatic and constant cell voltage modes. Specific set-ups (coupled tank, recycling) under galvanostatic conditions   

          Section 4c:    -Energetic (Enthalpic) balance. Current distribution (I, II, III).  

                               -Energetic (Enthalpic) balance for a CSTR under Galvanostatic operating mode.

                               -Current distribution (I, II, III).  

          Section 4d:   - simulation (example: primary current distribution)

Section 5:         Energy Conversion and Storage

Fundamentals; Primary/Secondary batteries, cell voltages, storage capacity-power/energy, Galvanic yield, cycling, Ragone diagram; Supercapacitors.

Water & Steam Electrolysis; Power-to-gas; Fuel Cells; Redox Flow Cells;

Photo-electrochemistry principles - Photo-electrochemical water splitting

Section 6:         Electro-deposition – Electro-machining

           Section 6a:       Electro-plating/refining/winning in aqueous media   

            Au, Cu, Ni, Zn, environmental and urban mining aspects. Thin layer and thick deposits, theory and practice. 

           Section 6b:       Electro-machining Simulation of some cases of industrial electrodepositions

            Section 6c:      Electro-deposition (C- in molten salts)

            Al, carbides, nuclear,

Section 7:         Metal Corrosion and Protection

Fundamentals and Applications

Section 8:         Electrosynthesis industrial processes

chlor-alkali; chlorate; Water electrolysis for Hydrogen production

Section 9:         Electro-separations (coupling or not membrane) for preparative/analytical/ remediation purposes : (Electrodialysis, Electrophoresis, Electrocoagulation,  Anodic electro-remediation of organics)     

Section 10:       Bio-Electrochemical Processes

Applications in sensing, corrosion, energy, remediation, synthesis, metal recovery...

Section 11:       Oral presentation of PhD students

 Workshop suggestions Synthesis- Conclusions- Closure