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AEM Electrolyzer Stack and System - 2 kW Unit

The sungreen 2 kW AEM Electrolyzer Unit (AES0002-2.1) is a compact and modular hydrogen production system designed for efficient small-scale green hydrogen generation using advanced Anion Exchange Membrane (AEM) electrolysis technology.

The unit integrates a high-efficiency electrolyzer stack with balance-of-plant components to deliver reliable hydrogen production with low energy consumption, rapid start-up capability, and high hydrogen purity.

The system is capable of producing 1 kg/day (0.467 Nm³/hr) of hydrogen with purity levels up to 99.999% when paired with a purifier.

Operating at 87.5% stack efficiency (HHV), the unit supports flexible operation through a 200% turn-up ratio and instant hot-start functionality.

The system utilizes a PGM-free catalyst and 1M KOH electrolyte, supporting sustainable and lower-cost hydrogen production.

Its compact footprint and modular architecture make it suitable for decentralized hydrogen generation, pilot projects, renewable energy integration, research applications, and small-scale industrial hydrogen supply.

Key features

Compact and modular AEM electrolyzer unit

Designed for efficient small-scale green hydrogen generation

Integrated electrolyzer stack with balance-of-plant components

Reliable hydrogen production with low energy consumption

Rapid start-up capability

High hydrogen purity

Flexible operation

PGM-free catalyst for sustainable and lower-cost hydrogen production

Compact footprint

Suitable for decentralized hydrogen generation and small-scale industrial hydrogen supply

Techical specifications

Hydrogen Production Rate: 1 kg/day (0.467 Nm³/hr)

Hydrogen Purity (Without Purifier): 99%

Hydrogen Purity (With Purifier): 99.999%

Output Pressure: <10 bar

Stack Efficiency (HHV): 87.5%

Stack Energy Consumption: 45 kWh/kg H₂

System Energy Consumption: 50 kWh/kg H₂

Power Supply: 3-Phase 400 VAC, 50/60 Hz

Water Consumption: <500 mL/hr

Water Input Pressure: 1–4 barg

Ambient Operating Temperature: 5–45°C

Stack Operating Temperature: 60–70°C

Turn Down Ratio: 10%

Turn Up Ratio: 200%

Electrolyte: 1M KOH (5.34 wt%)

Catalyst: PGM-Free Material

Cold Start Time: <20 minutes

Hot Start Time: Instant

Minimum Water Input Quality: ASTM D1193-06 Type III (Type I recommended)

Minimum Plot Size: 1200 × 800 mm

For more information, please view our brochure here: SunGreen_Products_Brochure.

AEM Electrolyzer Stack and System - 2 kW Unit