Voltage & Current Explorer

Understand the relationship between voltage (thermodynamic driving force), current (kinetic flow rate), and resistance in electrochemical systems. Watch ions migrate and accumulate at electrodes as you apply voltage.

Electrochemical Series & Nernst Equation Explorer

Build custom electrochemical cells by selecting half-reactions from the electrochemical series. Calculate cell potentials and see how concentration affects voltage through the Nernst equation.

Butler-Volmer: Single Electrode Kinetics

Explore the Butler-Volmer equation for hydrogen reactions on platinum catalysts. Adjust overpotential and exchange current density to see how electrode kinetics determine current flow in fuel cells and electrolysers.

Butler-Volmer: Dual Electrode Kinetics

See how Butler-Volmer kinetics at two electrodes combine to determine battery performance. Explore charge and discharge modes, and understand how exchange current density at each electrode affects voltage losses in NiMH batteries.

Electrochemical Cell Polarisation Losses

This interactive tool demonstrates how three main types of losses affect electrochemical cell performance in both operating modes (Galvanic and Electrolytic)

Batteries: Useable Capacity and C-Rate

This interactive tool demonstrates how discharge rate and voltage cut-off determine the usable capacity and energy output of a battery, illustrating why rated capacity is not fully accessible in practical operation.

Li-ion battery

This interactive tool demonstrates charge and discharge mechanisms in lithium-ion batteries

EDLC Charge–Discharge Visualisation

This interactive tool visualises electric double-layer capacitor (EDLC) charging and discharging, linking ion redistribution at the electrodes to voltage evolution and stored energy.

Fuel Cell Kinetics

This interactive tool shows how Butler-Volmer kinetics at the anode and cathode determine fuel cell performance.

More interactive tools will be added throughout the semester. Check back regularly for updates!