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PEM Electrolysis Stacks

PEM Electrolyser Stack - SE-S

Siltrax Pty Limited
PEM Electrolyser Stack - SE-S
PEM Electrolyser Stack - SE-S
PEM Electrolyser Stack - SE-S

  • Compact PEM water electrolyser stack for laboratory R&D, OEM development platforms and small-scale hydrogen generation.
  • Up to 0.5 NL/h H₂ production from a compact 100 × 100 × 60 mm stack footprint.
  • 10–120% permissible operating range supports variable-load testing and intermittent power operation.
  • 4.05 kWh/Nm³ stack DC power consumption, with rated current density of 2 A/cm².
  • Siltrax silicon bipolar plate architecture designed for corrosion resistance, compact packaging and flexible stack configuration.

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Description Vendor
  • Designed for R&D and Small-Scale Hydrogen Systems — The Siltrax SE-S is a compact PEM electrolyser stack developed for universities, research laboratories, electrolyser developers, OEM test platforms and small-scale hydrogen generation. Its small footprint makes it suitable for systems where installation space and integration flexibility are important.
  • Silicon Bipolar Plate Architecture — The SE-S incorporates Siltrax's proprietary silicon bipolar plate technology as an alternative to conventional metallic bipolar plate architectures. The design is engineered for corrosion resistance and increased reactant distribution while enabling a compact stack format.
  • Flexible Performance — The SE-S produces up to 0.5 NL/h of hydrogen and operates across a 10–120% permissible load range. Stack DC power consumption is 4.05 kWh/Nm³ H₂, with a rated current density of 2 A/cm², an operating current-density range of 0.1–4 A/cm², and 1.69 V at rated current density.
  • Compact, configurable integration — With a nominal footprint of 100 × 100 × 60 mm, the SE-S can be configured with 1–25 cells depending on application requirements. Standard interfaces include ¼-inch push connections for water, oxygen/water and hydrogen, with M6 electrical power connections. Stack height varies with cell configuration.
  • Defined Operating Conditions — The stack is designed for operation at 65 ±5 °C, with an ambient temperature range of 2–40 °C and hydrogen outlet pressure below 300 kPa. Feed water specification is ISO 3696 Type 1 DI water, with nominal consumption of 0.8 L/Nm³ H₂.
  • Target Applications — Suitable applications include university and industrial R&D, electrolyser-component development, catalyst and subsystem testing, hydrogen technology demonstration systems, small-scale hydrogen generation and renewable-energy integration testing.
  • OEM and Development Support — Cell count and system configuration can be selected around the required test or hydrogen-production duty. 

Please contact Siltrax through HyFindr's Contact Vendor or RFQ function to discuss stack configuration and system integration requirements

Siltrax Pty Limited

Leveraging 40 years of silicon experience to reshape the future of the hydrogen industry.

At Siltrax, we believe in hydrogen’s pivotal role in global decarbonization efforts. Our innovative silicon technology combines the studiness and reliability of silicon with industry leading MEAs to create an economical, high-performance solution. Siltrax was built on the vision of lowering the cost of hydrogen to make it accessible to all. Our low-cost hydrogen solutions will further decarbonization strategies and help to lead the charge towards a greener future.

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