Aluminum-air battery utilise oxygen in the air which reacts with an aluminum hydroxide solution to oxidize aluminum and produce electricity.
Aluminum-air batteries are said to be a lower-cost and more energy-dense alternative to lithium-ion batteries, which may reduce the cost of an electric vehicle.
This battery cannot be recharged like a lithium-ion battery. Therefore, large scale operation of aluminum-air battery based vehicles will require the wide availability of battery swapping stations.
However, aluminum-air battery-based electric vehicles run 400 km. or more at a time, while the fully charged lithium-ion battery can be useful only for 150-200 km.
It is noteworthy that State-owned Indian Oil Corporation Ltd. has entered into a joint venture with Israel-based battery technology startup Phinergy to develop aluminium-air technology based battery systems for electric vehicles and stationary storage, as well as hydrogen storage solutions.
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