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theion has successfully secured €15 million in a Series-A funding round led by Team Global. The funding aims to accelerate the development of their next-generation crystal sulfur batteries.

PRIVATEMar 20, 2025•about 1 year ago

Amount Raised

€15 Million

Round Type

series a

BerlinManufacturingEnergyRenewable Energy

Investors

EnpalGeschwister Oetker BeteiligungenTeam Global

Description

theion, a developer of sulfur battery technology, has announced the successful closing of a €15 million Series-A funding round to help accelerate the development of its next-generation crystal sulfur batteries. The investment was led by Team Global, with participation from Geschwister Oetker Beteiligungen and Enpal. This funding is seen as essential for strengthening Europe’s position in the battery market by offering a sustainable alternative to lithium-ion technology. The crystal sulfur battery developed by theion is touted as a breakthrough in energy storage, promising higher energy density and reduced costs.

Company Information

Company

theion

Location

Berlin, Berlin, Germany

About

theion is a developer of innovative sulfur battery technology aimed at revolutionizing energy storage. Their crystal sulfur batteries offer a sustainable alternative to lithium-ion technology, featuring three times higher energy density and significantly lower costs. The company’s proprietary technology enhances cycle life and sustainability, positioning Europe as a leader in energy storage. With a focus on electric aviation, electric vehicles, and stationary energy storage, theion addresses critical challenges in the renewable energy sector.

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Funding Insights

Based on industry data
VC-backed spending patterns
VC-backed companies spend 89% more on sales and 100% more on marketing than bootstrapped peers
Tech investment trends
83% of B2B companies plan digital investments, with 79% prioritizing customer experience tech

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