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Product Description

Airthium has vision of  a world powered 100% from renewables, where electricity would be easily accessible and cheaper - cheaper than all fossil fuels including nuclear.

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Airthium is building a low-cost seasonal battery that can store renewable energy for years, instead of hours, and is up to 100 times cheaper than current solutions, including lithium-ion batteries.

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A "low-cost seasonal battery" means storing solar energy in the summer and delivering it in the winter, while not increasing the yearly average cost of solar energy beyond fossil fuel prices. We can even compensate for a few "years with bad weather" using reserves built during better years. This way, fossil-fired power plants, which are used for backup power today when there is no sun or no wind for long durations, can finally be shut down.

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10,000 hours of Autonomy

Their system uses ammonia as zero-carbon synthetic fuel. Large scale liquid ammonia tanks cost $0.2/kWh electrical to build, allowing their battery to deliver its rated power for up to 1 full year straight - and still remain economical.

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100% Recyclable

Their storage system is mostly made of liquid ammonia, molten nitrate salt, water, and steel. They draw on the decades of experience and existing equipment from the fertilizer and CSP industry, with a fully and easily recyclable design.

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100x cheaper than Li-ion

Typical systems with 1000 hours of autonomy cost down to $2/kWh to build, representing minor additional cost to solar and wind farms. This makes 100% solar and wind electricity practical, and cheaper than fossil fuels in more locations every year.