Chapter 4

Energy Storage

Abstract

Renewable energy sources are intermittent in nature; for them to be reliable, energy storage should be used, which includes batteries, fuel cells, hydro storage, compressed air storage, flywheel storage, supercapacitors, and superconducting magnetic energy storage. Batteries are analyzed in terms of characteristics, chemistry, chemical reaction equations, and comparison. Batteries types are lead-acid batteries, nickel cadmium, sodium sulfur, zinc promide, vanadium redox, and polysulfide bromide.

The study of fuel cells includes principle of operation, types of fuel cells, applications of fuel cells, reformers, and hydrogen storage. The discussion about compressed air includes components and operation. Flywheel ...

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