H2Gatech 0.5–15 Nm³/h PEM Water Electrolyzer Stack
H2Gatech H2GMH Series PEM water electrolyzer stacks provide hydrogen production capacities from 0.5 to 15 Nm³/h. The series features compact design, fast startup, stable operation, high current density, and low energy consumption.
These PEM electrolyzer stacks are suitable for laboratory research, fuel cell hydrogen supply, renewable energy storage, industrial hydrogen production, and customized hydrogen generation systems.
Multiple models are available according to hydrogen production capacity, operating voltage, current, pressure, and installation requirements. Customized specifications and system integration support are also available.
Advanced PEM Water Electrolysis for Green Hydrogen Production
H2Gatech PEM water electrolysis systems enable high-efficiency, zero-emission hydrogen production through advanced electrochemical technology. By splitting water into hydrogen and oxygen using renewable electricity, our systems deliver high-purity hydrogen with fast dynamic response and stable performance. Experience reliable, scalable, and clean hydrogen generation for the next generation of energy solutions.
Number of Cells
The electrolyzer stack is composed of multiple electrochemical cells, configured according to the required hydrogen production capacity.
Hydrogen Pressure
Hydrogen is produced at low to medium pressure, suitable for laboratory use and distributed hydrogen applications.
Ambient Temperature
Designed to operate reliably under typical indoor and outdoor ambient conditions.
Humidification
The system adopts a self-humidifying design, simplifying system integration and operation.
Electrolyzer Stack Weigh
Compact and lightweight stack design, suitable for laboratory and distributed installations.
Power Interface
Designed for connection with an external DC power source or rectifier system.
System Efficiency
High electrolysis efficiency optimized for small-scale hydrogen production and testing applications.
External power supply
External power supply can be provided by H2Gatech or sourced by the customer.
Renewable energy integration
Experience the efficiency of PEM water electrolysis for clean hydrogen generation. PEM water electrolyzers directly convert electrical energy into high-purity hydrogen through an advanced electrochemical water-splitting process, offering a zero-emission and highly efficient alternative to conventional hydrogen production methods. Whether integrated with renewable energy sources such as solar and wind or deployed as an on-demand hydrogen supply for laboratories, energy storage, or industrial applications, PEM electrolyzers deliver fast response, stable performance, and scalable output. H2Gatech provides this green hydrogen production solution in a compact, reliable, and low-maintenance system, making sustainable hydrogen accessible across diverse operating environments.
High-Efficiency PEM Water Electrolyzer Systems
Modern energy systems demand cleaner and more efficient hydrogen production. H2Gatech PEM water electrolyzers enable green hydrogen generation through advanced PEM water electrolysis, converting electricity into high-purity hydrogen with fast response and stable performance. Designed for renewable energy integration and on-site hydrogen supply, our PEM electrolyzer systems deliver scalable, low-maintenance solutions for a sustainable hydrogen future.
| H2GMH Series | ||||
|---|---|---|---|---|
| Model | H2G-0.5 | H2G-1 | H2G-1.5 | H2G-2 |
| Hydrogen Production | 0.5 Nm³/h | 1 Nm³/h | 1.5 Nm³/h | 2 Nm³/h |
| Oxygen Production | 0.25 Nm³/h | 0.5 Nm³/h | 0.75 Nm³/h | 1 Nm³/h |
| Membrane Electrode Dimensions | 140 × 70 mm | 140 × 70 mm | 140 × 70 mm | 140 × 70 mm |
| Number of Cells | 9 | 17 | 25 | 34 |
| Operating Current (DCA) | 147 A | 147 A | 147 A | 147 A |
| Operating Voltage (DCV) | 16.2–22.5 V | 30.6–42.5 V | 45–62.5 V | 61.2–85 V |
| Oxygen Outlet | 3/8 inch | 3/8 inch | 3/8 inch | 3/8 inch |
| Hydrogen Outlet | 3/8 inch | 3/8 inch | 3/8 inch | 3/8 inch |
| Oxygen-Side Pressure Resistance | 0–0.5 MPa | 0–0.5 MPa | 0–0.5 MPa | 0–0.5 MPa |
| Hydrogen-Side Pressure Resistance | 0–3 MPa | 0–3 MPa | 0–3 MPa | 0–3 MPa |
| Water Pump Flow Rate | 5.4 L/min | 10.2 L/min | 20.4 L/min | 20.4 L/min |
| Operating Temperature | 40–60°C | 40–60°C | 40–60°C | 40–60°C |
| Energy Consumption | ≤4.4 kWh/Nm³ | ≤4.4 kWh/Nm³ | ≤4.4 kWh/Nm³ | ≤4.4 kWh/Nm³ |
| Service Life | ≥50,000 h | ≥50,000 h | ≥50,000 h | ≥50,000 h |
| Water Quality Requirement | Ultrapure water ≥15 MΩ | Ultrapure water ≥15 MΩ | Ultrapure water ≥15 MΩ | Ultrapure water ≥15 MΩ |
| Product Dimensions | 170.5 × 254 × 121.5 mm | 170.5 × 254 × 163.9 mm | 170.5 × 254 × 206.8 mm | 170.5 × 254 × 254 mm |
| H2GMH Series | ||||
|---|---|---|---|---|
| Model | H2G-2.5 | H2G-3 | H2G-3.5 | H2G-4 |
| Hydrogen Production | 2.5 Nm³/h | 3 Nm³/h | 3.5 Nm³/h | 4 Nm³/h |
| Oxygen Production | 1.25 Nm³/h | 1.5 Nm³/h | 1.75 Nm³/h | 2 Nm³/h |
| Membrane Electrode Dimensions | 200 × 130 mm | 200 × 130 mm | 200 × 130 mm | 200 × 130 mm |
| Number of Cells | 16 | 19 | 22 | 25 |
| Operating Current (DCA) | 390 A | 390 A | 390 A | 390 A |
| Operating Voltage (DCV) | 28.8–40 V | 34.2–47.5 V | 39.6–55 V | 45–62.5 V |
| Oxygen Outlet | DN50.5 Tri-Clamp | DN50.5 Tri-Clamp | DN50.5 Tri-Clamp | DN50.5 Tri-Clamp |
| Hydrogen Outlet | 3/8 inch | 3/8 inch | 3/8 inch | 3/8 inch |
| Oxygen-Side Pressure Resistance | 0–0.5 MPa | 0–0.5 MPa | 0–0.5 MPa | 0–0.5 MPa |
| Hydrogen-Side Pressure Resistance | 0–3 MPa | 0–3 MPa | 0–3 MPa | 0–3 MPa |
| Water Pump Flow Rate | 18 L/min | 21 L/min | 25 L/min | 28 L/min |
| Operating Temperature | 40–60°C | 40–60°C | 40–60°C | 40–60°C |
| Energy Consumption | ≤4.4 kWh/Nm³ | ≤4.4 kWh/Nm³ | ≤4.4 kWh/Nm³ | ≤4.4 kWh/Nm³ |
| Service Life | ≥50,000 h | ≥50,000 h | ≥50,000 h | ≥50,000 h |
| Water Quality Requirement | Ultrapure water ≥15 MΩ | Ultrapure water ≥15 MΩ | Ultrapure water ≥15 MΩ | Ultrapure water ≥15 MΩ |
| Product Dimensions | 386 × 387 × 176.9 mm | 386 × 387 × 192.3 mm | 386 × 387 × 207.6 mm | 386 × 387 × 223 mm |
| H2GMH Series | ||||
|---|---|---|---|---|
| Model | H2G-5 | H2G-8 | H2G-10 | H2G-15 |
| Hydrogen Production | 5 Nm³/h | 8 Nm³/h | 10 Nm³/h | 15 Nm³/h |
| Oxygen Production | 2.5 Nm³/h | 4 Nm³/h | 5 Nm³/h | 7.5 Nm³/h |
| Membrane Electrode Dimensions | 300 × 170 mm | 300 × 170 mm | 300 × 170 mm | 300 × 170 mm |
| Number of Cells | 17 | 27 | 34 | 50 |
| Operating Current (DCA) | 765 A | 765 A | 765 A | 765 A |
| Operating Voltage (DCV) | 30.6–42.5 V | 48.6–67.5 V | 61.2–85 V | 90–125 V |
| Oxygen Outlet | DN50.5 Tri-Clamp | DN50.5 Tri-Clamp | DN50.5 Tri-Clamp | DN50.5 Tri-Clamp |
| Hydrogen Outlet | 3/4 inch × 2 | 3/4 inch × 2 | 3/4 inch × 2 | 3/4 inch × 2 |
| Oxygen-Side Pressure Resistance | 0–0.5 MPa | 0–0.5 MPa | 0–0.5 MPa | 0–0.5 MPa |
| Hydrogen-Side Pressure Resistance | 0–3 MPa | 0–3 MPa | 0–3 MPa | 0–3 MPa |
| Water Pump Flow Rate | 38 L/min | 60 L/min | 75 L/min | 110 L/min |
| Operating Temperature | 40–60°C | 40–60°C | 40–60°C | 40–60°C |
| Energy Consumption | ≤4.4 kWh/Nm³ | ≤4.4 kWh/Nm³ | ≤4.4 kWh/Nm³ | ≤4.4 kWh/Nm³ |
| Service Life | ≥50,000 h | ≥50,000 h | ≥50,000 h | ≥50,000 h |
| Water Quality Requirement | Ultrapure water ≥15 MΩ | Ultrapure water ≥15 MΩ | Ultrapure water ≥15 MΩ | Ultrapure water ≥15 MΩ |
| Product Dimensions | 516 × 495 × 251.75 mm | 516 × 495 × 315.25 mm | 516 × 495 × 359.7 mm | 516 × 495 × 461.3 mm |