Electrodes for Student Cell

These Student Cell Electrodes are standard metal strips (typically measuring around 100 x 19 mm or 125 x 25 mm) designed for use in a Voltaic Cell or "Student Cell" setup. They allow students to build various batteries and explore the Electrochemical Series.

Electrode Functions and Combinations

In a student cell, two different metal electrodes are placed in an electrolyte (like dilute sulfuric acid or copper sulfate) to generate a voltage. Here is how these specific metals typically behave:

• Aluminium and Iron: Highly reactive metals that usually act as the Anode (negative terminal) when paired with less reactive metals like Copper or Silver.
• Lead & Tin: Often used to demonstrate the effects of "polarization" in a cell or to study the chemistry of lead-acid batteries.
• Nickel & Brass: Excellent for experiments involving electroplating, where one metal is coated onto another using an electric current.

The Electrochemical Series (Standard Potentials)

By swapping these electrodes in and out of a cell, students can measure the resulting voltage (Electromotive Force or EMF) to determine which metals are more "active." Generally, the further apart two metals are on the following simplified list, the higher the voltage they will produce:

1. Aluminium (Most reactive / strongest Anode potential)
2. Iron
3. Nickel
4. Tin
5. Lead
6. Copper (Commonly used as the Cathode/Positive terminal)

Specifications:

• Material: High-purity metal sheets.
• Size: Usually consistent across the range to fit standard Student Cell Jars and Electrode Holders.
• Terminals: Most strips feature a hole at the top for easy connection via crocodile clips or are designed to slide into a specialized holder with screw terminals.