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Iron-air batteries are a particular kind of metal-air battery that pair an air positive electrode with a metallic negative electrode with a low redox potential. Iron negative electrode, air positive electrode, and alkaline electrolyte are the three main parts of an iron-air battery.
Iron-air batteries can provide more stable, safe, efficient, and long-term energy storage capacities to energy grids than current methods. This appealing technology has the potential to transform grid-scale energy storage.
The main raw material of iron oxide (rust), which is non-toxic, abundant, cheap, and ecologically acceptable, is used to make iron-air rechargeable batteries, an appealing technology with the potential for grid-scale energy storage.
The Global Iron-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.
Iron-air batteries are 10 times as cheap as lithium. Even though lithium batteries remain the most common way to store energy – a challenge the world must overcome in order to substitute renewables for fossil fuels – they clearly create serious problems as well, which is why they are not a viable option for a sustainable energy transition.
To replace lithium, alternatives are being developed around the world, such as iron-air batteries, whose commercial production in the United States is expected to begin.
Iron-air batteries were developed by Form Energy, a startup spun out of the prestigious Massachusetts Institute of Technology (MIT).The only drawback observed so far is that these batteries are slow to charge or discharge, making them a less viable option than lithium in laptops or smartphones, for example.
On the other hand, they are an excellent solution for energy storage at the national grid level since they can provide 100 hours of energy storage duration, far longer than current lithium batteries.These batteries aren’t ideal, but their production is significantly less hazardous to the environment than the production of lithium batteries, just like the production of aluminium-sulphur, vanadium flow, or sodium-ion batteries.
Furthermore, if there were less demand for lithium, there would be less pressure on the supply chain and potentially even whole governments, like Serbia and other Western Balkan countries, to permit lithium extraction despite apparent environmental impact.
