Dutch startup raises €22m for fast charging pure silicon battery

September 01, 2021 // By Nick Flaherty
Dutch startup raises €22m for fast charging pure silicon battery
LeydenJar Technologies raises €22m for commercialisation and production of its fast charging pure silicon anode battery technology

Dutch startup LeydenJar Technologies has raised €22m to scale up its production facility in Eindhoven and further develop its 100 percent silicon anode battery technology.

The LeydenJar technology provides for batteries with 70 percent more energy density than the best batteries currently available in the market by using a 100 percent silicon anode produced though a plasma-based deposition process. Pouch cells built using commercially available battery materials, such as NMC 622 cathodes, and LeydenJar’s silicon anodes have an energy density of 1350 Wh/L at start of battery life and a cycle life of more than 100 cycles at a C/2 rate. 

The company says it is currently working with partners on market introduction of its patented technologies in consumer electronics and automotive.

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The Series A funding comes from Dutch and American venture capitalists and received additional support from the Netherlands Enterprise Agency with a subsidy of over €5m.

“With this investment, we can take a major step towards accelerating the energy transition, because battery technology is still often the bottleneck for the electrification of cars and many other applications,” said founder and director Christian Rood “In the future, we will increasingly use batteries for all sorts of purposes. It is therefore necessary that they are produced in a sustainable way. We are proud of having been able to secure the support of a strong consortium of investors and we look forward to developing this technology further, together with our clients.”

LeydenJar spun out from the Dutch applied research institution TNO in 2016 and has 25 staff, with plans to expand to 70 in the next 18months

New investors joining in this Series A investment round are Catalus Capital, YARD ENERGY, Invest-NL, ING Sustainable Investments and Somerset Capital Partners. Existing investors (including BOM and DOEN Participations) also took part in the round.

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