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Metal air electrochemical batteries, of which aluminium air batteries are a subset, use pure metal as the anode and ambient air as the cathode. A galvanic cell is created in the batteries by the oxidation of aluminium at the anode and the reduction of oxygen at the cathode.
As long as the reaction product is recycled, the Al/air battery system can produce enough energy and power for driving ranges and acceleration that are comparable to those of gasoline-powered cars.
In contrast to lithium-ion technology, which requires highly flammable organic toxins-based electrolytes, aluminium air battery technology solely uses a water-based, toxin-free electrolyte.
Aluminum air batteries are hence EV Thermal Friendly. The basic idea behind how metal-air batteries work is that they produce hydroxide ions at the cathode of the battery when they consume oxygen from the air. The metal that is being converted to metal oxide at the anode is what produces power.
Aluminum batteries based on aqueous or protic systems have significant limitations, such as the passivating oxide film development reducing the battery voltage and efficiency, hydrogen side reactions, and material degradation, despite their low cost, ease of use, and minimal environmental impact.
The Global Aluminum-Air Battery Market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
A first-of-its-kind lithium-air battery that could be a more affordable substitute for lithium-ion batteries for use in stationary applications and electric vehicles (EVs) is being developed by the state-run Indian Oil Corporation (IOC).
The goal is to produce these barriers in locations like Chennai or Pune that are near demand centres. According to IOC, the business has started talking to original equipment manufacturers (OEMs) in the Indian car industry.
IOC purchased a minority investment in the Israeli startup Phinergy, which specialises in aluminium-air and zinc-air battery systems.
Test runs can be carried out in Israel on the prototypes created by the Israeli company, or they can be brought to India.
Al-air batteries are preferred over Lithium-ion versions due to their small weight and lack of the need for electricity charging. The aluminum-air project at IOC claimed that these batteries last more than twice as long on a single charge and are one-fourth the weight of lithium-ion batteries.
“The proven range of any variation of lithium-ion battery in India is between 150 and 200 km/charge, but even on a reasonable expectation, Aluminum-air batteries run more than 400 km/charge.”
