E-Magy is a Dutch technology company founded in 2013, dedicated to advancing lithium-ion battery performance through its proprietary nano-porous silicon anode material. Focused on overcoming silicon’s inherent limitations—such as swelling during charging—the company delivers higher energy density, durability, and environmental benefits compared to traditional graphite-based anodes. Headquartered near Amsterdam, E-Magy’s mission is to enable mass production of silicon-dominant batteries without significant capital expenditures for manufacturers.
Their technology is designed to seamlessly integrate into existing production lines, reducing adoption barriers while delivering a 40% boost in energy density and enabling faster charging (up to three times faster). Collaborations with institutions like ZSW and TU Delft validate their technical innovations, and their accomplishments, including winning the Best Startup Award at CES 2025, underscore their industry impact. Supported by a €20.5 million Series A funding round in 2023, E-Magy is positioned to scale sustainable battery solutions for electric vehicles, renewable energy storage, and next-generation solid-state batteries.
Battery Technology
E-Magy’s core innovation lies in its nano-porous silicon material, engineered to contain silicon’s volumetric expansion during cycling—preventing structural degradation that traditionally hampers silicon anodes. This porous structure enables a silicon weight ratio exceeding 80% while maintaining minimal pouch cell thickness variation (<5% after testing), enhancing durability over thousands of cycles. The material achieves up to 40% higher energy density per kilogram compared to graphite anodes, optimizing battery size and weight for applications like EVs. Crucially, it uses low-cost metallurgical-grade silicon, reducing production costs and carbon emissions by a factor of six compared to conventional processes—achieving a low-carbon footprint without compromising performance.
The technology is fully compatible with existing lithium-ion manufacturing equipment, ensuring easy adoption for battery producers. E-Magy’s in-house production facility in the Netherlands operates at industrial scale on 1,200 m², currently producing 25 tons annually, with potential to scale to 300 tons per line yearly. Partnerships with ZSW validated the material’s performance, while TU Delft’s research highlighted the nano-porous structure’s efficiency. E-Magy also contributes to circular sustainability through projects like the Green Battery Initiative, which integrates recycling into its production ecosystem, and its role in the ESiLib consortium—advancing closed-loop lithium-ion battery manufacturing with industry partners.
Recent Projects
In early 2025, E-Magy secured the Best Startup Award at CES’ Cross-Border Pitching Competition, recognizing its Silicon Anode Solution as a disruptive innovation for clean energy. The company continues to expand its industrial partnerships, including collaborations under the ESiLib consortium to integrate silicon technologies into solid-state battery R&D. Recently, E-Magy also announced production capacity enhancements at its Amsterdam facility, aligning with surging demand for sustainable battery materials. Efforts like the Green Battery Project further highlight its commitment to advancing recycling technologies, aiming to recover materials from retired batteries and reduce reliance on newly mined resources.
Investors
E-Magy’s growth is fueled by strategic investments. In its 2021 seed round, the company raised €5M from SHIFT Invest, PDENH, and the Dutch Ministry of Economic Affairs and Climate Policy. A Series A round in 2023 secured €20.5M, including funding from Norway’s Hydro—a global aluminum and battery materials leader—Rubio Impact Ventures, and Invest-NL, alongside renewed support from prior investors. Additionally, a €5.5M subsidy from the Dutch National Growth Fund (NXTGEN HIGHTECH) provided critical backing for scaling its silicon anode production. These partnerships position E-Magy to meet demands from automotive and energy storage sectors while accelerating market adoption.
Business Details
Location: Broek op Langedijk, Netherlands
Website: http://www.e-magy.com/
LinkedIn: https://www.linkedin.com/company/31404030
