ABSTRACT
This chapter explores the increasingly important area of battery use and briefly looks at some alternative sources of energy. It examines electrolysis and its applications, including electroplating. The chapter discusses the purpose and construction of a simple cell. It presents polarization and local action. The chapter addresses the total electromotive force and total internal resistance for cells connected in series and in parallel. It highlights construction and practical applications of the Leclanche, mercury, lead–acid and alkaline cells. The chapter deals with the advantages and disadvantages of alkaline cells over lead–acid cells. It also discusses the importance of lithium-ion batteries – applications, advantages and disadvantages. The chapter also examines the term 'cell capacity' and state its unit. It highlights the importance of safe battery disposal. The chapter also presents the importance and uses of solar energy, its advantages and disadvantages and list some practical applications.
