theion opens solid state sulfur battery centre
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German battery company theion has opened a Technology Centre in Berlin as it starts customer evaluation of its sulfur battery cells.
The theion centre in the science and technology park in Adlershof is developing solid state sulfur-crytsal cathodes that aim to triple the energy density at just one-third of the cell cost and one third of the CO₂ footprint of current battery technology.
The first target market is electric aircraft such as eVTOL air taxis with an energy density of 1000Wh/kg and a lifetime of 1000 cycles.
theion recently announced a breakthrough with its patented lithium metal anode chemistry, achieving 2000 charging and discharging cycles under third party testing by a leading independent research institute in Germany. This paves the way for safe and high energy density batteries with the capabilities for fast-charging it says, and would be a breakthrough for lightweight sustainable batteries in electric mobility and stationary storage.
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The company grows a pure sulfur wafer from molten sulfur in a few seconds using a method called Direct Crystal Imprinting (DCi) with no slurry coating, no solvents, no water and no drying. The flexibility of the process allows any geometrical shape of wafer, although a hexagonal shape is used for the best spatial efficiency. The centre will allow the company to work with customers on specific requirements for the solid state sulfur battery cells.
“With this state-of-the-art facility, we are now fully operational and ready to welcome customers to experience firsthand our game-changing sulfur crystal battery technology,” said theion CEO Ulrich Ehmes. “We look forward to collaborating with industry leaders as we push the boundaries of what’s possible in energy storage.”
The new tech centre laboratories include a fully equipped synthesis lab, glovebox lab and cycling lab, enabling 1 MWh of semiautomatic cell assembly to provide customer samples.
“The opening of our Technology Centre in Adlershof is a significant step forward for theion. The Board and I are very pleased with the progress made so far. This new facility will enable our team to accelerate the development of this transformative technology, driving the future of electric mobility and energy storage,” said theion Chairman Dr Gerhard Cromme.
“Batteries play a major role in our current and future energy consumption. The opening of theion’s Technology Centre in Berlin marks an important milestone for both the city and Germany’s position in the global battery industry,” said Berlin’s Mayor and Senator for Economic Affairs, Energy and Enterprises, Franziska Giffey
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