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Learn about lead-acid cells, their circuit diagram, and the charging/discharging equations. Explore the internal structure and chemical reactions involved in a lead-acid cell.
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Previous lesson (1)Definition of cell. (2)Classification of cell. (3)The circuit diagram of dry cell and lid acid cell.
Lesson decleared • The charging discharging equation of lid acid cell.Internal diagram of lid acid cell.
The charging and discharging equation of lid acid cell. • H2SO4 → H+ + HSO4− • Pb− → PbSO4+H+2e−+HSO4 • PbO2+3H+HSO4−+ →PbSO4+2H2O • Pb+2H2SO4+PbO2 →2H2SO4+2H2O
Home work • (1)Draw a diagram of lid acid cell. • (2)Explain charging and discharging equation of a lid acid cell.