[ sealing ]
It is important to note that these are only a few examples of suitable materials for each type of electrolyzer. Sealing solutions are selected based on the specific requirements of each application, considering factors such as operating conditions, chemical exposure, pressure, and temperature demands. Each electrolyzer system undergoes a comprehensive material evaluation to ensure optimal performance and long-term durability.
Progressive innovation
Developing gaskets for electrolyzers is an ongoing process, and manufacturers are continuously testing and refining their products to meet the specific needs of different electrolyzer technologies. One of the key challenges in this field is ensuring that gaskets can withstand the operating temperatures and pressures typical of hydrogen production without losing their sealing capabilities.
Key considerations for achieving optimal sealability include:
• Material compatibility with hydrogen, oxygen, and electrolytes
• Mechanical durability to withstand compression and operational stresses
• Resistance to creep and cold flow to maintain a long-lasting seal
• Temperature and pressure resilience to prevent deformation and performance loss
Looking ahead
Hydrogen will play a vital role in the global energy transition, but its effectiveness depends on safe and reliable containment. Advances in sealing technology, including improved PTFE formulations and hydrogen-specific testing methods, will be essential in enabling the widespread adoption of hydrogen as a clean energy source. As industries scale up hydrogen production and the use of electrolyzers, highperformance gaskets and leak-prevention strategies will be crucial in ensuring efficiency, safety, and sustainability.
References
¹ McKinsey & Company.( 2024, January 10). Global Energy Perspective 2023: Hydrogen outlook.
² Communications Earth & Environment, 3, Article 295( 2022). ³ US EPA.( 2025, January 16). Understanding global warming potentials.
About the authors
Josmar Cristello Josmar Cristello is a mechanical engineer with a post-graduate degree in Data Science and Big Data from the Pontifical Catholic University and a Master of Science from the University of Calgary, where his research focused on AI / ML-based leak detection in pipelines. He specializes in energy transition, software development, and critical sealing solutions, and he currently works as an Applications Engineer. Josmar has a combined seven years of experience with TEADIT.
Johannes Müller Johannes Müller is the Energy Transition Manager at TEADIT International Produktions GmbH in Kirchbichl, Tyrol, Austria. Before starting his position in October 2022, Johannes studied chemistry at the Friedrich-Alexander University( FAU) in Erlangen, Bavaria, Germany. He now holds a doctoral degree( PhD) in organic chemistry. As a trained chemist, he brings valuable scientific expertise. He addresses technical challenges by developing new sealing solutions to help achieve the goal of a greener and safer tomorrow.
Angelica Pajkovic Angelica Pajkovic is a Client Specialist at TEADIT, with a particular focus on technical content development. Hailing from Toronto, Canada, she has over six years of experience in the industrial sector. In her previous role as editorin-chief at an industrial B2B publishing company, she gained a broad understanding of the challenges, interests, and business relationships within the industry. For more information, contact Angelica via email at: angelicap @ teadit. com.
Hydrogen Tech World | Issue 22 | June 2025 47