Evonik Initiates Pilot Production of AEM Electrolysis Membranes in Marl, Germany, Targeting 2.5 GW Capacity Annually

Renewables Now Germany

Overview

Evonik Industries AG has commenced pilot production of high-performance membranes for Anion Exchange Membrane (AEM) electrolysis at its facility in Marl, Germany. The new plant is capable of producing membranes for up to 2.5 GW of electrolysis capacity annually, representing a significant leap in sustainable hydrogen production technology. This initiative is expected to drive down the cost and scale up green hydrogen manufacturing, accelerating the global energy transition.

In Depth

Key Findings

Evonik Industries AG has officially launched pilot production of its high-performance membranes designed for Anion Exchange Membrane (AEM) electrolysis at its facility in Marl, Germany. This new plant boasts an impressive annual capacity to produce membranes sufficient for up to 2.5 gigawatts (GW) of electrolysis, marking a substantial advancement in sustainable hydrogen production technology.

Technical / Clinical Details

The AEM electrolysis membranes, now in pilot production by Evonik, combine the advantages of both traditional alkaline water electrolysis and Proton Exchange Membrane (PEM) electrolysis, enabling high-performance hydrogen production at lower costs. These membranes exhibit exceptional ionic conductivity and chemical stability, allowing the use of less corrosive electrolytes, such as caustic soda, which significantly reduces the need for expensive precious metal catalysts. The newly established production facility incorporates automated manufacturing processes and stringent quality control systems, ensuring the efficient and consistent production of reliable membranes. A production capacity equivalent to 2.5 GW at this pilot stage is remarkably large, demonstrating Evonik’s strong commitment to meeting the rapidly expanding demand for green hydrogen in the market.

Background & Context

Hydrogen is increasingly recognized as a crucial energy carrier for achieving a decarbonized society, requiring electricity and water for its production. ‘Green hydrogen,’ produced using renewable energy sources, is considered a key solution for combating global warming. AEM electrolysis is a promising next-generation technology, capable of achieving higher efficiencies than alkaline water electrolysis while avoiding the expensive titanium and precious metals required for PEM electrolysis. However, the development of stable, high-performance AEM membranes and the establishment of mass production techniques have been significant hurdles. Evonik’s launch of pilot production is a critical step in overcoming these technical challenges, accelerating the commercial viability of AEM electrolysis. The market anticipates an explosive increase in green hydrogen demand, and Evonik’s technology is poised to be a leading solution to meet this need.

Strategic Significance & Outlook

Based on the insights gained from this pilot production, Evonik plans to further scale up and reduce the cost of its AEM electrolysis membranes. Ultimately, the company aims for this technology to become a mainstream method for green hydrogen production, contributing significantly to decarbonization across numerous industrial sectors. Evonik’s AEM membranes are expected to support the establishment of an efficient and economical green hydrogen supply network in the future hydrogen economy, becoming an indispensable component of climate change mitigation efforts. This development also represents a significant progression within Germany’s ‘Energiewende’ (energy transition) strategy, with considerable implications for the hydrogen industry both in Europe and globally.