Accumulator

Definition - What does Accumulator mean?

An accumulator is a functionally rechargeable device that is used for harnessing electrical energy stored in the form of chemical energy. Accumulators typically consist of one or more separate cells depending on the amount of energy they are required to store and/or dispense.

Corrosionpedia explains Accumulator

Accumulators are sometimes referred to as a type of battery. Its functional unit contains a cell that is composed of electrodes and electrolytes. The electrolyte is a chemical substance that undergoes ionization when dissolved in water or other polarizing solvents. This generally includes all soluble acids, bases and salts, as well as gases such as hydrogen chloride.

Some examples of accumulators are:

  • Steam accumulators
  • Mainsprings
  • Flywheel energy storage
  • Hydraulic accumulators
  • Rechargeable batteries
  • Compensated pulsed alternator
  • Pumped-storage hydroelectric plants
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