The Leiden-based startup LeydenJar began in 2016 as one of the first startups at PLNT, developing a new battery based on silicon.
With this new type of material, batteries have up to 50% more capacity, a major advancement that benefits many companies, particularly those in artificial intelligence.
LeydenJar at PLNT
LeydenJar joined PLNT and its community in September 2016 as one of the first tenants. In 2018, they received an investment of 1.5 million euros, which was celebrated with champagne on the building’s rooftop, back when there was no rooftop terrace yet.
After that, the startup made rapid progress and even built its own factory in Eindhoven in March 2024: PlantOne.
LeydenJar remains closely connected to PLNT. This summer, founder Christian Rood gave an inspiring presentation on the history and future of batteries during the PLNT Festival.
Unique product
So far, most modern batteries have been made with graphite. LeydenJar takes a different approach: they use a silicon anode instead of graphite. Silicon can store up to twice as much energy, increasing battery capacity by as much as 50%.
Future
LeydenJar has now entered into a partnership with Chinese battery manufacturer Highpower. Together, they are working on the mass production of their high-performance battery. This step makes the startup’s technology increasingly accessible to more companies.
LeydenJar at BNR
LeydenJar recently shared more about their new partnership on BNR. Want to read more or Listen to their story?