Electron Transfer Kinetics Explorer
Direct electron transferCytochrome biochemistrySynthetic biologyElectrode potentialsBiofilm metabolomics
Try with TerAvest's Published Data
Shewanella MR-1 Direct Transfer
Based on "Oxidizing electrode potentials decrease current production" (2014)
- • Exchange current density: 0.15 A/m²
- • Transfer coefficient α: 0.45
- • Optimal potential: +0.2 V
- • Cytochrome c pathway
High Potential Conditions
Showing cytochrome inactivation effects
- • Reduced exchange current: 0.05 A/m²
- • Altered kinetics above +0.4 V
- • Decreased coulombic efficiency
- • Metabolic stress indicators
Research Question: Use the tool below to explore how changing electrode potential affects electron transfer rates in your system. Compare the "Shewanella MR-1" preset with "High Performance Electrode" to see the difference TerAvest observed.
Interactive Butler-Volmer Kinetics
Real-time visualization of electrode kinetics with parameter export for computational models
Kinetic Parameters
-0.5V0.100V+0.5V
25.0°C
Current Results
Total Current:0.686 A/m²
Anodic Current:0.700 A/m²
Cathodic Current:-0.014 A/m²
Analysis
Rate Determining:anodic
Thermal Voltage:25.7 mV
|η|/RT/F Ratio:3.9
Tafel approximation valid when |η| > 50mV ✓
Butler-Volmer Equation
i = i₀ [exp(αₐFη/RT) - exp(-αcFη/RT)]
where: i = current density, i₀ = exchange current density, αₐ,αc = transfer coefficients, F = Faraday constant, η = overpotential, R = gas constant, T = temperature