Electrochemistry Open LessonsSustainable Electrochemical Science & Technology, BRIN

Chapters / Chapter 1

1 General electrochemistry

The three-electrode cell, reference electrodes, cyclic voltammetry and impedance, the tools behind every other chapter.

Lessons

Lesson 1.1

The three-electrode cell and reference electrodes

What each electrode does, how to choose a reference and how to convert to the RHE scale. About 25 minutes

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Lesson 1.2

Cyclic voltammetry

Reading a CV, the Randles–Sevcik equation, and fast versus slow electron transfer. About 30 minutes

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Lesson 1.3

Electrochemical impedance spectroscopy

What impedance measures, how to read Nyquist and Bode plots, and how to build and check an equivalent circuit. About 30 minutes

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Tool for this chapter

Tool

CV simulator

Change scan rate, concentration, k⁰ and resistance, and watch the voltammogram and the diffusion layer respond.

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Tool

EIS playground

Build a circuit from Rs, Rct, CPE and Warburg elements and see the Nyquist and Bode plots form.

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