Integrated AEM Water Electrolysis System – HXB-V1 (2 kW)

  • Hydrogen production: up to 500 L/h (0.5 Nm³/h)
    System energy consumption: 4.8 kWh/Nm³ at beginning of life
    Power consumption: 2.4 kW at beginning of life
    Hydrogen purity: 98–99% without dryer; ≥99.999% with dryer at 0 or 10 barg
    Power input: 200–240 VAC
    Type II water; 0.3 M KOH electrolyte
    482 × 642 × 266 mm (6U); 51.3 kg
    Ethernet/MQTT monitoring; CE Declaration of Conformity

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HXB-V1 | Integrated 2 kW AEM Electrolyzer System

A 6U all-in-one electrolyzer for on-site hydrogen, system development and control-protocol research.

HXB-V1 combines the HXS-2 stack with fluid handling, safety interlocks, power electronics and desktop control in one integrated platform.

At a glance

Hydrogen outputUp to 500 L/h (0.5 Nm³/h, approximately 1 kg/day)
System energy4.8 kWh/Nm³ at beginning of life
AC input2.4 kW at beginning of life
Hydrogen purity98–99% without dryer; ≥99.999% with dryer
ControlDesktop app, Ethernet and MQTT

Why HXB-V1

  • Integrated balance of plant: circulation, feed-water handling, sensing, safety and controls in one 6U enclosure.
  • Flexible delivery: 0 or 10 barg configuration, with optional dryer for high-purity hydrogen.
  • Control access: 1-second telemetry and eight external control variables for protocol development.
  • Compliance evidence: CE Declaration of Conformity covering LVD, EMC and RoHS.

Technical details

Power supply200–240 V AC, 50/60 Hz, single phase
Feed waterASTM D1193 Type II
Electrolyte0.3 M KOH
Operating current15–67 A, 50 A recommended
Size / weight482 × 642 × 266 mm (6U) / 51.3 kg

Choose the right HydroXpand platform

HXS-0Cell-scale material and MEA evaluationUp to 25 cm²
HXS-2Reusable 2 kW stack for custom BOP integration0.5 Nm³/h
HXS-30Pilot stack under validation7.5 Nm³/h target
HXB-V1Integrated system with BOP and controls0.5 Nm³/h

Typical project scenarios

  • Laboratory requiring on-site hydrogen without designing a complete BOP
  • Controls team developing operating protocols and safety logic
  • Hydrogen-appliance OEM integrating a compact source
  • Training and demonstration system for AEM electrolysis

Include in your RFQ

  • Required purity and hydrogen delivery pressure
  • Country, site power and installation environment
  • Communication and remote-control requirements
  • Duty cycle, peripherals, delivery schedule and quantity

Compliance note: purity ≥99.999% requires a suitable dryer. CE evidence is a Declaration of Conformity, not third-party product certification.

HydroXpand Inc.

HydroXpand Inc. is a South Korean deep-tech company that develops and manufactures Anion Exchange Membrane Water Electrolysis (AEMWE) electrodes, cells, stacks, and integrated systems. Founded in 2023 by three KAIST PhDs, we work across catalysts, electrodes, stack architecture, balance-of-plant, and control software to reduce both upfront and lifecycle costs for clean hydrogen production.

Our current portfolio includes iridium-free anodes, low-PGM cathodes, single-cell and short-stack hardware, the HXS-2 2 kW stack, and the HXB-V1 2 kW integrated system. The HXS-30 30 kW pilot stack is under development and validation. HydroXpand products have been supplied to more than 50 customers across 10 countries, and our technology portfolio includes nine patents. The HXB-V1 is supported by a CE Declaration of Conformity.

Our stack architecture is designed so that the durable hardware can be reused while the MEA is replaced, reducing maintenance cost and material waste. Customers can start with laboratory or pilot-scale equipment today and expand through a modular development roadmap toward larger industrial systems.

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