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Improved sealing performance for H2 electrolyzer
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VRayLight005](/en/know-how-hub/cases/sealing-performance-h2-electrolyzer/_jcr_content/content_mainpar/section_1/par/image.coreimg.png/1693571600509/sealing-performance-h2-electrolyzer-case-study.png "Green Hydrogen, future energy h2 fuel 3D illustration. Green hydrogen production by electrolysis technology, renewable electricity, alternative eco way of getting hydrogen H2, cut industry emissions, Green Hydrogen, future energy h2 fuel 3D illustration. Green hyd")
Customer
Electrolyzer manufacturer
Product group
Sealing & Polymer
Market
Hydrogen Production
Application
Seals
Key Result
Improved sealing and electrical properties
Customer
A large Electrolyzer manufacturer in the market for Hydrogen production
Aim
Hydrogen, produced by water electrolysis, is seen as a key technology for reaching net zero emissions. Specific alkaline electrolyzers are producing hydrogen in cells, consisting of an anode, a cathode and a membrane in between. These cells are connected in series to form a stack. Proper sealing of the membrane itself and between the cells is crucial for safe and efficient operation. The customer turned to ERIKS because they needed to improve the performance of their seals.
Project
Contact with the customer was initiated after they purchased a standard rubber profile from the ERIKS webshop. They were not satisfied with their incumbent supplier’s solution and were looking to improve the ease of assembly and performance of their seals. The ERIKS standard profile was suitable for a first performance test, which showed that they needed a more application-specific material for better sealing and electrical properties. Subsequently, they started working with our international material and engineering specialist.
Solution
One of the main challenges in alkaline electrolysis is the corrosive liquid electrolyte, thus the sealing material needed improved properties for withstanding alkaline water solution under the additional electric load. In addition, the seal needed to present the best possible sealing properties e.g., resistance against permanent deformation.
Driven by local engineering and product management, international ERIKS specialists in material development (at our dedicated rubber laboratory ERT) and product management, we eventually conceived the best possible solution for the customer’s application. This solution is built around wellbalanced material properties and product design.
Read More about ERIKS Hydrogen Solutions here.
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