Zinc-Air and Aluminium-Air Batteries

6.8  Zinc-Air & Aluminium-Air

• In these batteries the zinc or aluminium reacts with atmospheric oxygen to produce electricity. The process literally consuming the battery’s metal plates.
  
  
• When the battery no longer functions effectively new plates are inserted and any waste metal removed.
  
  
• This type of battery has an energy/density 10 times that of a lead-acid battery.
  
  
• EVs that have used this type of battery include: BAT International Electrovan (Zinc-Air).