Swiss BTRY Secures €2.2M EIC Grant to Industrialize Thin-Film Solid-State Batteries, Establish Large-Scale European Plant

July 5, 2026

BTRY Switzerland

Overview

Swiss battery company BTRY has secured a €2.2 million grant from the EIC Accelerator to advance the industrialization of its thin-film solid-state battery technology. This funding will be used to establish Europe’s first large-scale thin-film battery factory, scaling up vacuum coating manufacturing to produce millions of batteries annually. BTRY aims to solve energy storage challenges in microelectronics, medical devices, and IoT devices.

In Depth

Key Findings

BTRY, an innovative battery technology company based in Switzerland, has been awarded a 2.2 million euro grant from the European Innovation Council (EIC) Accelerator program. This significant funding will propel the industrialization of BTRY’s thin-film solid-state battery technology, supporting the establishment of Europe’s first large-scale thin-film battery manufacturing facility and dramatically expanding its vacuum coating production capacity to achieve an annual output of millions of batteries.

Technical Details

BTRY’s thin-film solid-state batteries are specifically designed for compact, low-power applications such as smart cards, medical implants, wireless sensors, and IoT devices, leveraging their minute size and high energy density. Thin-film technology employs solid electrolytes to physically suppress lithium dendrite growth, ensuring superior safety and extended lifespan. The vacuum coating manufacturing process, enhanced by this grant, is crucial for efficiently forming the precise layered structures of thin-film batteries, directly improving yield and reducing costs. This technology aims to deliver performance and reliability unattainable by conventional small-form-factor batteries.

Background & Context

The evolution of miniaturized electronics has driven increasing demand for thinner, safer, and higher energy density batteries. The proliferation of IoT devices, in particular, has introduced new requirements for battery form factor, durability, and environmental compatibility. Thin-film solid-state batteries represent a promising solution to these demands, with active research and development efforts worldwide. The EIC Accelerator grant is viewed as a strategic investment to establish European technological sovereignty in this domain and enhance competitiveness against predominantly Asian markets in battery manufacturing.

Strategic Significance & Outlook

This grant acquisition marks a significant milestone for BTRY in establishing its leadership in thin-film solid-state battery manufacturing within Europe. The production target of millions of units annually indicates robust progress towards mass production, positioning BTRY as a potential key supplier to a wide range of small electronic device markets in the future. The commercialization of this technology will offer new degrees of freedom in designing compact devices, facilitating the emergence of more powerful and safer next-generation IoT applications and medical instruments. Broader applications in various sectors are also anticipated in the long term.

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