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Battery

Model Aircraft Glossary: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A group of voltaic cells connected in series.

The main parameters considered when selecting batteries:

  1. ampere-hour capacity
  2. cost
  3. depth of discharge
  4. lifetime
  5. rechargeability
  6. ruggedness
  7. temperature environments
  8. weight

Lead Acid Battery

A battery with electrodes of lead oxide and metallic lead that are separated by an electrolyte of sulphuric acid.

Energy density: 25 Watt-hours/kg up to 50 Watt-hours/kg for the very latest designs.


Lithium Ion Battery

This type of battery uses metalic lithium as the anode, lithium ions are added to a carbon electrode.


Lithium Polymer

A battery with a lithium anode that is separated from the cathode by a thin polymer electrolyte.

Energy density: 80-135 Watt-hours/kg


Nickel Cadmium Battery

The battery has a nickel-hydroxide cathode, a cadmium anode, and aqueous potassium hydroxide electrolyte.


Nickel Metal Hydride Battery

The battery has a nickel-hydroxide cathode, a metal hydride (a variety of metal alloys are used) anode, and aqueous potassium hydroxide electrolyte.

Energy density: 80-135 Watt-hours/kg