Pem Electrolysis System

 

1. Compact Design

Featuring a high operating current density ranging from 1.5 to 3A/cm², with the core tank area thickness less than 1m and a skid-mounted integrated auxiliary control system.

2. Optimal Efficiency

Boasting DC power consumption below 4.3 kWh/Nm³, coupled with a thermal efficiency exceeding 75% and employing PEM membrane electrodes of top-tier international standards.

3. Versatile Expandability

Designed with a compatible assembly program and flexibility to meet various tank parameters, all seamlessly integrated into a skid-mounted platform.

4. Rapid Responsiveness

With hot starts initiating within 5 seconds and cold starts under 300 seconds, the system easily adapts to load variations ranging from 5% to 120%. Additionally, its verified cyclic start/stop performance ensures longevity.

5. Enhanced Safety Features

Incorporating a self-developed dual-wire sealing design program, along with multi-gas sensor monitoring and alarm interlock system. Precise control of pressure, temperature parameters, and hydrogen production circuit logic adds another layer of safety assurance.

 

 

1. Enhanced Hydrogen Production Capacity

This PEM electrolyzer boasts an impressive hydrogen production capacity of 200Nm³/h per cell, making it perfectly suited for large-scale industrial applications and offering robust support for clean power integration.

2. Optimized Energy Efficiency

In addition to its exceptional productivity, this electrolyzer prioritizes energy efficiency. With a DC power consumption of merely 4.3kWh/Nm³, it consumes significantly less energy compared to traditional electrolyzers. This design not only reduces production costs but also underscores a steadfast commitment to sustainable development.

3. Elevated Hydrogen Purity Levels

With hydrogen purity exceeding 99.9% before purification, which can be further enhanced to surpass 99.999% after purification, this electrolyzer ensures the production of high-purity hydrogen crucial for fuel cell applications and various other sectors.

4. Consistently Stable Operational Parameters

4.1 Working Pressure: Operating at a stable pressure of 3.0 MPa guarantees that the produced hydrogen matches this standard, catering to diverse operational scenarios and minimizing the need for additional pressurization, thereby reducing costs.

4.2 Working Temperature: With an operating temperature range of 70±5℃, this electrolyzer demonstrates exceptional stability and adaptability under varying conditions.

5. Wide Power Fluctuation Tolerance

Featuring a power adjustment range from 5% to 110%, this electrolyzer can operate seamlessly even in the face of significant fluctuations in the power system.

6. Rapid Start-Up Technology

Equipped with quick start technology, this electrolyzer boasts swift hot and cold start capabilities. Cold starts take less than 5 minutes, minimizing production downtimes, while hot starts require only 5 seconds to reach optimal operating conditions, ensuring efficient and rapid performance.

 

Name	Parameter
Hydrogen production capacity (Nm3/h)	200
Peak hydrogen production capacity (Nm3/h)	240
DC power consumption (kWh/Nm3)	≤4.3
Hydrogen purity (Before purification)	≥99.9%
Electrolyzer Enclosure– W x D x H(m)	0.8x0.6x1.5
Operating pressure (MPa)	3 . 0
Operating temperature (℃)	70±5
Ambient Temperature (℃)	5~40
Power consumption range	5-1 2 0 %
Cold start time (Minute)	≤5
Hot start time (Second)	5
Service life (Year)	≥5
Electrolyte	H2O
Separation Unit
Rated oxygen processing capacity	100 Nm3/h
Oxygen purity (rated operating conditions)	>99.8%(0.2 MPa);>98.5%(3 MPa)
Oxygen outlet temperature(℃)	70±5
Purification Unit
Hydrogen purity (After purification)	≥99.999%
Dew point of hydrogen	-70℃
Hydrogen outlet temperature	Ordinary temperature

 

Why us?

1. Leading in Large-Scale Hydrogen Production from Renewable Sources

We excel in large-scale hydrogen production from wind, solar, and green power. To meet the growing demand for such production, we've developed hydrogen production equipment capable of producing 1,000 Nm³/h. Our all-in-one hydrogen production system, comprising four 1,000 Nm³/h units, features meticulously selected core materials such as highly active and stable electrodes, air-tight membranes with low surface resistance, and modified PTFE sealing gaskets. Leveraging CAE simulation for flow field structure analysis and optimization, our electrolyzer stands out with top-ranking key parameters in China. In 2023, we secured a bid for the Da'an Wind and Solar Green Hydrogen Synthesis Ammonia Integration Demonstration Project by Jilin Electric Power Co., Ltd., providing two all-in-one hydrogen production systems, each comprising four 1,000 Nm³/h units, as a significant support for the project's operations.

 

2. Pioneering in Independently Developed BOP Systems

Our expertise lies in independently developing and manufacturing BOP (Balance of Plant) systems. Through meticulous R&D and design based on chemical engineering calculations, our BOP systems prioritize easy installation, reliable operation, safety, and shortened installation periods. These systems are highly adaptable to fluctuating power demands during hydrogen production. We've completed the development and experimental verification of separation and purification systems ranging from 100 to 6,000 Nm³/h, implemented in numerous market projects. Customized BOP system services cater to specific customer requirements.

 

3. Establishing State-of-the-Art Electrolyzer Testing Platform

We've constructed and operationalized a 20MW-class all-in-one electrolyzer testing platform, encompassing performance testing, control optimization, and reliability verification. This platform, having undergone rigorous safety assessments including HAZOP, SIL, QRA, and lightning protection risk assessment, fulfills the comprehensive testing needs of alkaline electrolyzers and BOP systems. With thousands of operational hours logged, this platform provides crucial data support for prompt verification and iterative upgrading of electrolyzers, BOP systems, and auxiliary equipment.

 

4. Spearheading Intelligent Manufacturing of Large-Scale Equipment

Leveraging SANY Group's expertise in intelligent manufacturing and quality assurance systems, we've established automated production lines for 2GW electrolyzers. We've achieved breakthroughs in core processes such as automatic feeding, argon arc welding, resistance welding, pipe prefabrication, and high-precision stacking. These advancements significantly enhance the manufacturing quality of hydrogen equipment. A comprehensive manufacturing process standard guidance system ensures regulatory compliance throughout the manufacturing process.

 

5. Driving Synergy in Renewable Energy and Hydrogen Integration

Aligned with SANY Group's low-carbon strategy, SANY Hydrogen Energy collaborates closely with SANY Renewable Energy, SANY Silicon Energy, and SANY Heavy Truck to form a closed loop in the low-carbon industry. By combining expertise in hydrogen production, wind power, photovoltaics, and electric vehicles, we develop sophisticated solutions for integrated green hydrogen production and utilization. Access to wind and photovoltaic power big data facilitates continuous upgrading of cluster control strategies, advancing the high-quality development of the industry as a whole.

 

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