The company was founded in 2022, a year after university researchers found a way to use carbon fiber composite materials in real-world applications. Sinonus says it is now on the verge of commercializing its technology.
CTU Professor of Materials and Computational Mechanics Leif Asp explains the technology they developed: “Previous attempts to produce structural batteries resulted in cells with good mechanical properties or good electrical properties. But by using carbon fibre, we We were able to design a structural battery with both competitive energy storage capacity and rigidity.“
Could pave the way for lightweight, long-range electric vehicles
Thanks to this technology, longer range, lighter, more efficient It may be possible to develop electric vehicles and aircraft with lower fuel consumption.
Sinonus CEO Markus Zetterström said: “By replacing part of the structural material with our multi-purpose composite in various applications, it is possible to increase the electricity storage capacity without adding weight or volume. Alternatively, it can reduce system weight and volume while preserving battery capacity.”
Stating that the energy density of the material is still under development, Zetterström said that the energy density is currently 25% to 50% of a conventional lithium-ion battery said that. Although structural batteries cannot reach the same efficiency level as conventional batteries, they provide significant gains at the system level due to their structural load carrying capacity. In addition, structural batteries have low energy density and They do not contain volatile substances, them to standard batteries. more trustworthy It makes you feel better.
The development of structural batteries at CTU is the result of many years of research, including previous discoveries involving certain types of carbon fibres. In a 2018 CTU study, researchers found that carbon fiber-based structural batteries could significantly reduce the weight of vehicles and aircraft.
In 2021, compared to previous versions 10 times more performance They reached an important milestone by developing a structural battery with This battery used carbon fiber simultaneously as electrode, conductor and charge-carrying material, and compared to similar lithium-ion batteries on the market at the time, approximately It had reached an energy density of 24 Wh/kg with 20% capacity.
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