Electric Cells

Contents / notes

• Simple voltaic cell and its defects.
• Daniell cell and Leclanché cell, wet and dry.
• Lead-acid accumulator, nickel-iron (NiFe), lithium-ion and mercury-cadmium cells as listed in the source.
• Maintenance of cells and batteries; detailed chemistry of a cell is not required.
• Arrangement of cells.
• Efficiency of a cell.

Candidate objectives

• Identify defects of the simple voltaic cell and their corrections.
• Compare different types of cells, including solar cells.
• Compare the advantages of lead-acid and nickel-iron accumulators.
• Solve problems involving series and parallel combinations of cells.