PEPPER Project Aims to Scale Protonic Ceramic Cells for High-Temperature Electrolysis

The PEPPER project is focused on advancing protonic ceramic cell (PCC) technology for steam electrolysis, aiming to scale it for industrial applications. The consortium, which includes partners from Germany, Austria, France, Denmark, Estonia, and the Czech Republic, seeks to develop planar PCCEL systems operating at 600°C. The project started in January 2025 and will last three years, with a roadmap for technology commercialization expected by early 2028.

Published Mar 29, 2026

The PEPPER project is advancing protonic ceramic cell (PCC) technology for steam electrolysis, aiming for industrial-scale application. Key European partners, including DLR (Germany), AVL (Austria), CEA (France), DTU (Denmark), and others, are collaborating to develop planar PCCEL systems.

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These systems target operation at 600°C, potentially using low-cost heat for hydrogen production. The project will run from January 2025 for three years, with a roadmap for commercialization by early 2028, elevating technology readiness from TRL 2 to TRL 4. The technology is expected to mature by 2035-2040.