PEM Fuel Cell Stack G-100

  • High-performance, liquid-cooled PEM fuel cell stack incorporating Siltrax’s proprietary Silicon Bipolar Plate Technology
  • Rated Power 133kW @ 0.65V
  • Core volumetric power density of 8.31kW/L and gravimetric power density of 8.59kW/kg
  • Designed for high-power applications including large unmanned aerial vehicles (UAVs), light aircraft (e.g. eVTOL), and ground transportation

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Product Overview

  • The G100 Hydrogen Fuel Cell is a compact, lightweight, high-performance solution engineered for high-power applications in transportation, stationary power, and  aerospace applications
  • Delivering a rated power output of 133 kW at 0.65 V per cell, the G100 achieves exceptional volumetric (8.31 kW/L) and gravimetric (8.59 kW/kg) power densities.
  • Design lifetime of 10,000 hours, this product offers long-term reliability and consistent performance under varying environmental and load conditions

Key Specifications

  • Rated Power: 133 kW
  • Type: Proton Exchange Membrane Fuel Cell (PEMFC)
  • Cooling Method: Liquid
  • Single Cell Rated Voltage: 0.65 V
  • Stack Rated Voltage: 206.7 V
  • Stack Rated Current: 643.47 A
  • Rated Efficiency: 52%
  • Design Lifetime: 10,000 h
  • Core Dimensions (L × W × H): 210 × 210 × 363.05 mm
  • Stack Volumetric Power Density: 8.31 kW/L
  • Stack Mass Power Density: 8.59 kW/kg

Operating Conditions

  • Cathode Back Pressure: 150 kPa
  • Cathode Humidification: 0–100% RH
  • Fuel: Hydrogen (ISO 14687-2:2012 compliant)

Applications

  • Aerospace
    • Large unmanned aerial vehicles
    • Light aircraft and eVTOL propulsion systems
  • Mobility
    • Commercial vehicles
    • Light rail
  • Industrial Machinery
    • Construction, mining and heavy-duty equipment
    • Marine & Port equipment
  • Stationary Power Generation
    • Emergency backup power
    • Commercial & Industrial on-site power units

Key Features & Benefits

  • Exceptional Power Density – Industry-leading power densities for space and weight constrained applications
  • Durable & Reliable – Design lifetime of 10,000 hours, ensuring long-term operational stability and reduced maintenance requirements
  • Broad Operating Range – Wide environmental and load tolerances for flexible deployment across diverse conditions
  • Scalable Architecture – Modular silicon-based design supports multi0stack configurations for higher power system integration

Contact us

  • Interested? Please contact Siltrax by fillng in the "Contact Vendor" section or completing an RFQ form
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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