E-magy
Volta MemberVFBroek op Langedijk, North Holland, Netherlands
About
E-magy makes nanoporous silicon anode material that lets lithium-ion battery makers build silicon-dominant anodes, with more than 85% silicon, on their existing production lines.
The material is designed to solve the swelling problem that has held silicon back, and the company says it raises cell energy density by 40% and allows faster charging. It is made by casting low-cost upgraded metallurgical-grade silicon.
E-magy is based in Broek op Langedijk, near Amsterdam, where its in-house plant can produce up to 25 tons of nanoporous silicon a year. The company says each production line can scale to 300 tons a year.
Listed In
From the Battery Report
Battery Report 2025 · chapterSupply Chain: Upstream and MidstreamVolta Foundation's annual report on this part of the battery industry.Supply Chain Segments
Battery Chemistries
Location Info
- HQ
- Broek op Langedijk, North Holland, Netherlands
Europe (1)
- Manufacturing
- Amsterdam, Netherlands
Sources
Chemistry: Lithium-ion (Li-ion)
- E-magy - The Battery Industry Is On With Silicon · Company site · checked Oct 2026“It overcomes the challenges of applying silicon in lithium-ion battery anodes.”
Chemistry: Silicon Anode
- E-magy - The Battery Industry Is On With Silicon · Company site · checked Oct 2026“Our nanoporous silicon anode material brings winning battery performance to battery manufacturers worldwide.”
Quick Facts
- Team Size
- 11-50
- Funding
- Private
- Last Updated
- Oct 14, 2026
