PEM STACKS

4 kW Closed-Cathode Air-Cooled PEM Fuel Cell Stack : HYCUS N4

Summary

  • Closed-cathode type : Separation of channel for supply of reactant air and cooling air

  • Stack rated ouput : 4.0 kW

  • Composed of titanium separator

  • Stack warranty life time : 3,000 hours

  • Moisture-free operation (No separate humidifier required)

  • Optimized for various applications : UAM, UAV, portable power systems, and UPS power solutions

  • Scalable stack architecture : Supports series and parallel configurations for flexible system integration

  • Multi-stack power scalability : Enables various system configurations from single-stack operation to tens-of-kW-class power systems

Closed-Cathode Air-Cooled PEM Fuel Cell Stack : HYCUS N4

  • HYCUS N models consist of closed-cathode type air-cooled fuel cells engineered for efficient, lightweight, and high-performance power delivery in compact applications.

  • Highly reliable stack performance

  • Operates without external humidification (Moisture-free operation)

  • Titanium separators for enhanced durability and reduced weight

  • Designed for harsh conditions and mobility-oriented use

  • Stack warranty life of 3,000 hours

  • The HYCUS N series is purpose-built for seamless integration into portable, mobile, and remote power systems where compactness and reliability are essential.

Key features

  • Closed-Cathode Design: Independent channels for reactant air and cooling air enhance stack

     stability and performance.

  • Optimized for moisture-free operation—no separate humidifier required.

  • Titanium separators improve system durability while minimizing weight.

  • Fuel inlet pressure: 1 ± 0.2 bar.g

  • Hydrogen consumption: 70 g/kWh (at 5-second purge interval)

  • Hydrogen consumption: 57 g/kWh (at 8-second purge interval)

  • Rated power of 4.0 kW.

Technical Specifications

  • HYCUS N4 (150 cells)

- Rated power : 4.0 kW @ 0.6 A/cm²
- Rated voltage : 106.0 V @ 0.6 A/cm²
- Voltage range : 98 ~ 150.5 Vdc

- Mass : 2.6 kg

- Size (W x L x H) : 215 x 70 x 403 mm

Application areas

  • UAV Systems

  • UAM Systems

  • Portable Power Systems

  • Mobile Backup Units

  • Remote Applications

Contact us

TerraLIX delivers customized fuel cell solutions backed by deep expertise in air-cooled systems and proven technical know-how. To explore how HYCUS N can support your energy needs, please fill out the RFQ or contact form on this product page.

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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