Battery-Grade Certification — Cyclic Voltammetry

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Test your knowledge — Cyclic Voltammetry

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Four questions on the cyclic-voltammetry protocol that powers every Graphitegrade battery-grade screening certificate.

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1. What does cyclic voltammetry (CV) measure?

Current as a function of applied potential, swept forward and reverse Voltage as a function of time only Optical absorbance during charging Mass loss during cycling

2. In a CV scan of battery-grade graphite vs lithium, the redox peaks correspond to:

Lithium intercalation and de-intercalation in the graphite lattice Evaporation of the electrolyte solvent Hydrogen evolution at the working electrode Catalyst adsorption on the counter electrode

3. Increasing the scan rate in CV typically:

Increases peak currents and shifts peak positions Has no effect on peak currents Eliminates all peaks Decreases peak currents toward zero

4. Why is CV part of every Graphitegrade screening certificate?

Because it directly demonstrates the electrochemical performance that matters to battery buyers Because it is the cheapest possible test Because it measures particle size Because it certifies particle morphology

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Graphitegrade is a programme of United Science Organization. We supply certified single-source vein graphite — battery, industrial, and refractory grades — with a public screening certificate for every lot.