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FUEL CELL SYSTEM

20 kW Aerospace Fuel Cell System : HYCUS X-LOOP 20

Summary

  • 20.0 kW ring-type modular fuel cell system (2.0 kW × 10 modules, based on rated power)

  • Series-connected module architecture enabling high-voltage DC output

  • Closed-cathode, air-cooled PEM fuel cell system with humidifier-free operation

  • Ring-type modular design providing scalability, redundancy, and fault-tolerant operation

  • Lightweight multi-module system allowing module-level isolation and maintenance

  • Designed exclusively for horizontal installation (vertical installation not supported)

  • Designed for aviation auxiliary power and stationary power generation applications

  • Stable operation in sub-zero temperature environments without external humidification

  • Supports DC power systems and system-level communication interfaces (e.g., CAN, configurable)

  • System dimensions (Outer Ø × Height): 880 × 330 mm

  • Inner diameter: 350 mm

  • Weight: Approx. 35 kg total system weight (3.5 kg per module)

Description

Technical Specfications

Downloads

20 kW Aerospace Fuel Cell System : HYCUS X-LOOP 20

  • The X-LOOP system is a 20 kW ring-type modular fuel cell system, composed of ten 2.0 kW fuel cell modules connected in series to provide high-voltage DC output.

  • Closed-cathode, air-cooled PEM fuel cell architecture, enabling humidifier-free operation and simplified system design.

  • Series-connected module configuration optimized for high-voltage auxiliary and power generation applications.

  • Lightweight ring-type modular structure, delivering high power density with module-level isolation and fault tolerance.

  • Designed exclusively for horizontal installation; vertical installation is not supported due to airflow and water management requirements.

  • Intended for aviation auxiliary power units (APU) and stationary power generation systems, not for propulsion or ground mobility applications.

  • Reliable operation in sub-zero temperature environments without external humidification, addressing key limitations of conventional air-cooled fuel cells.

  • Supports DC power systems and system-level communication interfaces, including CAN bus (configurable).

  • Compact ring-form factor, with an outer diameter of 880 mm, inner diameter of 350 mm, and overall height of 330 mm.

  • Approximate total system weight of 35 kg, based on 3.5 kg per module.

Key features

  • 20 kW Rated System Output
    Series-connected architecture using 10 × 2.0 kW fuel cell modules.

  • Ring-Type Modular Architecture
    Provides scalability, redundancy, and fault-tolerant operation through module-level isolation.

  • Air-Cooled, Closed-Cathode Design
    No external humidifier required, reducing system complexity and improving long-term reliability.

  • Horizontal Installation Only
    System is designed for horizontal mounting to ensure proper airflow, water management, and thermal stability.

  • Aviation APU & Stationary Power Optimization
    Suitable for aircraft auxiliary power systems and fixed power generation applications; not intended for mobility platforms.

  • Sub-Zero Temperature Capability
    Stable operation in cold environments without performance degradation from cathode drying or freezing.

  • High Power-to-Weight Ratio
    Approximately 35 kg total system weight for a 20 kW-class fuel cell system.

  • System-Level Control & Communication
    Supports DC power output and CAN-based system communication for integration with higher-level controllers.

Technical Specifications

  • Performance

- Rated Power: 20.0 kW
- Rated Power per Module: 2.0 kW (10 modules, series-connected)
- Max. Power: System-dependent (based on operating conditions)

- Output Configuration: Series-connected modules for high-voltage DC output

- System Voltage Range: Configurable (high-voltage DC, application-specific)

- Exhaust Gas: Water vapor, residual hydrogen, and mixed air

- Energy Storage (not included): External DC power system (battery or load-side integration)

  • Operation & Maintenance

- Start / Stop: Automatic (voltage, current, and system logic controlled)

- Start-Up Time: ≤ 80 seconds (depending on ambient conditions)

- Operation Mode: Continuous operation with module-level fault isolation

- Maintenance Concept: Module-level service and replacement

- IP Rating: Under development (target minimum: IP24)

  • Fuel

- Fuel Type: Hydrogen

- Hydrogen Feed: From external hydrogen supply system

- Inlet Pressure: Application-dependent (system-level regulation required)

- Hydrogen Consumption: Approx. 57 g/kWh (system-level)

- Hydrogen Concentration: ≥ 99.9 %

Environmental Operating Conditions

  • Operating Temperature: −35 °C to +35 °C

  • Start-Up Temperature: −20 °C to +35 °C

  • Humidity: Application-dependent

  • Installation Location: Indoor or outdoor (system enclosure dependent)

Contact us

TerraLIX provide advanced, application-ready air-cooled fuel cell solutions backed by deep industry knowledge and engineering experience. To learn more about how X-LOOP can meet your specific power requirements, please fill out the contact form on this page.

X-LOOP Fuel Cell System – 20 kW

  • The X-LOOP system is a 20 kW ring-type modular fuel cell system, composed of ten 2.0 kW fuel cell modules connected in series to provide high-voltage DC output.

  • Closed-cathode, air-cooled PEM fuel cell architecture, enabling humidifier-free operation and simplified system design.

  • Series-connected module configuration optimized for high-voltage auxiliary and power generation applications.

  • Lightweight ring-type modular structure, delivering high power density with module-level isolation and fault tolerance.

  • Designed exclusively for horizontal installation; vertical installation is not supported due to airflow and water management requirements.

  • Intended for aviation auxiliary power units (APU) and stationary power generation systems, not for propulsion or ground mobility applications.

  • Reliable operation in sub-zero temperature environments without external humidification, addressing key limitations of conventional air-cooled fuel cells.

  • Supports DC power systems and system-level communication interfaces, including CAN bus (configurable).

  • Compact ring-form factor, with an outer diameter of 880 mm, inner diameter of 350 mm, and overall height of 330 mm.

  • Approximate total system weight of 35 kg, based on 3.5 kg per module.

Key features

  • 20 kW Rated System Output
    Series-connected architecture using 10 × 2.0 kW fuel cell modules.

  • Ring-Type Modular Architecture
    Provides scalability, redundancy, and fault-tolerant operation through module-level isolation.

  • Air-Cooled, Closed-Cathode Design
    No external humidifier required, reducing system complexity and improving long-term reliability.

  • Horizontal Installation Only
    System is designed for horizontal mounting to ensure proper airflow, water management, and thermal stability.

  • Aviation APU & Stationary Power Optimization
    Suitable for aircraft auxiliary power systems and fixed power generation applications; not intended for mobility platforms.

  • Sub-Zero Temperature Capability
    Stable operation in cold environments without performance degradation from cathode drying or freezing.

  • High Power-to-Weight Ratio
    Approximately 35 kg total system weight for a 20 kW-class fuel cell system.

  • System-Level Control & Communication
    Supports DC power output and CAN-based system communication for integration with higher-level controllers.

Technical Specifications

  • Performance

- Rated Power: 20.0 kW
- Rated Power per Module: 2.0 kW (10 modules, series-connected)
- Max. Power: System-dependent (based on operating conditions)

- Output Configuration: Series-connected modules for high-voltage DC output

- System Voltage Range: Configurable (high-voltage DC, application-specific)

- Exhaust Gas: Water vapor, residual hydrogen, and mixed air

- Energy Storage (not included): External DC power system (battery or load-side integration)

  • Operation & Maintenance

- Start / Stop: Automatic (voltage, current, and system logic controlled)

- Start-Up Time: ≤ 80 seconds (depending on ambient conditions)

- Operation Mode: Continuous operation with module-level fault isolation

- Maintenance Concept: Module-level service and replacement

- IP Rating: Under development (target minimum: IP24)

  • Fuel

- Fuel Type: Hydrogen

- Hydrogen Feed: From external hydrogen supply system

- Inlet Pressure: Application-dependent (system-level regulation required)

- Hydrogen Consumption: Approx. 65–70 g/kWh (system-level)

- Hydrogen Concentration: ≥ 99.9 %

Environmental Operating Conditions

  • Operating Temperature: −35 °C to +35 °C

  • Start-Up Temperature: −20 °C to +35 °C

  • Humidity: Application-dependent

  • Installation Location: Indoor or outdoor (system enclosure dependent)

Contact us

TerraLIX provide advanced, application-ready air-cooled fuel cell solutions backed by deep industry knowledge and engineering experience. To learn more about how X-LOOP can meet your specific power requirements, please fill out the contact form on this page.

Description

Technical Specfications

Downloads

Contact Supplier

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VISION / PHILOSOPHY

VISION / PHILOSOPHY

Make
What Truly
Matters.

Make
What Truly
Matters.

We create a more resilient and sustainable world through hydrogen power.

MISSION

MISSION

Power
What Cannot
Stop.

Power
What Cannot
Stop.

We deliver reliable, efficient, and sustainable power for the world’s most demanding missions.

WHAT WE DO

WHAT WE DO

Air-Cooled
Fuel Cell Power
for Mission-Critical
Applications.

Air-Cooled
Fuel Cell Power
for Mission-Critical
Applications.

We develop advanced air-cooled hydrogen fuel cell stacks, modules, and power systems enabling cleaner, more resilient power across air, field, and edge applications.

OUR APPROACH

We don’t compete with system builders —

We don’t compete with system builders —

We empower them.

We empower them.

TerraLIX is dedicated to delivering the world’s best closed-cathode air-cooled hydrogen fuel cell stacks. Whether you’re an OEM, system integrator, or solution provider, HYCUS gives you the performance, reliability, and engineering support to build your next-generation hydrogen system with confidence.

CEO

Tae-Young Kim

E-mail

support@terralix.com

Tel.

+82-63-581-1633

Fax.

+82-63-581-1639

Address

56332) 28, Sinjaesaengeneoji-ro, Haseo-myeon,

Buan-gun, Jeollabuk-do, Republic of Korea

TerraLIX Co., LTD

CEO

Tae-Young Kim

E-mail

support@terralix.com

Tel.

+82-63-581-1633

Fax.

+82-63-581-1639

Address

56332) 28, Sinjaesaengeneoji-ro, Haseo-myeon, Buan-gun, Jeollabuk-do, Republic of Korea

TerraLIX Co., LTD

CEO

Tae-Young Kim

E-mail

support@terralix.com

Tel.

+82-63-581-1633

Fax.

+82-63-581-1639

Address

56332) 28, Sinjaesaengeneoji-ro, Haseo-myeon, Buan-gun, Jeollabuk-do, Republic of Korea

TerraLIX Co., LTD

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