Mercury Cell (Noun)
Meaning
A primary cell consisting of a zinc anode and a cathode of mercury oxide and an electrolyte of potassium hydroxide.
Classification
Nouns denoting man-made objects.
Examples
- A mercury cell is used to power small devices such as watches, hearing aids, and thermometers.
- The mercury cell contains a toxic heavy metal and is being phased out in favor of more environmentally friendly alternatives.
- During discharge, the zinc anode of the mercury cell is oxidized and releases electrons that flow through the external circuit.
- Mercury cells are known for their long shelf life and stable voltage, making them suitable for use in applications requiring low power consumption.
- The mercury cell's electrolyte is typically a paste-like mixture of potassium hydroxide and a small amount of water.