Anode bubbles
Hand holding battery

Your battery with 70% more energy

How? With LeydenJar pure silicon anodes

Workers point to computer

LeydenJar creates the world’s most energy dense anode, enabling you to benefit from Li-ion batteries that are extremely powerful, small, and fast charging.


Leyden Jar silicon anode battery
Porous morphology of Silicon Anodes

Porous morphology

Mitigates silicon swelling behavior

CSSEM image

Columnar structure

Remains mechanically stable when lithiated

Endless Possibilities

The high energy density of LeydenJar anodes enables batteries that are small and powerful. The use that you envision determines the configuration of the batteries. The possibilities are truly endless.

Join Our Team

Are you excited to help shape the future of battery technology while leading the way to the new age of consumer electronics and mobility? Do you want to work with an ambitious and entrepreneurial team and innovate with Fortune500 companies?

Join our deep tech scale-up company where you have the opportunity to directly contribute to a future full of energy.

Our company grows fast. We welcome brilliant minds that are eager to disrupt the market. Check out our Careers, we look forward to meeting you.

Lunchbreak at Leydenjars office in Leiden
Working in the lab creating silicon anode batteries
Two women in the lab
People working on production for our silicon anode