Pem Green Hydrogen Electrolyser

 

1. Enhanced Hydrogen Generation Capability

The PEM electrolyzer boasts an impressive capacity of 200Nm3/h per cell, rendering it suitable for large-scale industrial applications and providing robust support for the integration of clean energy sources.

2. Energy Efficiency

In addition to its focus on productivity, this electrolyzer emphasizes its energy-efficient design. With a DC power consumption of just 4.3kWh/Nm3, it consumes significantly less energy than conventional electrolyzers, thereby reducing production costs and underscoring a commitment to sustainable practices.

3. Elevated Hydrogen Purity

Before purification, the hydrogen purity exceeds 99.9%, a figure that can be further enhanced to over 99.999% post-purification. This high-purity hydrogen is essential for applications in fuel cells and various other fields.

4. Consistent Operational Parameters

4.1 Maintained Working Pressure: Operating at a stable pressure of 3.0 MPa ensures that the hydrogen produced meets this requirement, accommodating diverse scenarios and minimizing the need for additional pressurization, thereby reducing costs.

4.2 Optimal Operating Temperature: Operating within a temperature range of 70±5℃, the electrolyzer demonstrates exceptional stability and adaptability, ensuring reliable performance under varying conditions.

5. Flexibility in Power Fluctuations

With a power adjustment range spanning from 5% to 110%, the electrolyzer can operate seamlessly despite significant fluctuations in the power system, ensuring uninterrupted operation.

6. Quick Start Technology

Featuring rapid hot and cold start capabilities, the electrolyzer minimizes production downtime. Cold starts take less than 5 minutes, reducing stagnation periods, while hot starts require only 5 seconds, enabling the equipment to swiftly reach its optimal working condition.

 

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

 

PEM hydrogen production industry: To facilitate its development with capital, technology and market

◆ Supply: Diverse companies start to usher into this market, with the introduction of a number of MW-level products and materials made in China.

◆ Demand: Urgently needed are solutions for the accommodation issue resulted by the surge in related projects and large-scale wind/solar bases.

◆ Policy: Standards, technical support and financial subsidies are introduced.

 

1) PEM hydrogen production is going from 0 to 1, meaning that a lower cost of PEM will speed up its commercial application as supported by the supply side (capital investment and breakthroughs in domestic technology), the demand side (pain points of accommodating wind and solar energy and surge in the number of projects) and the policy side.

2) By 2025, it is optimistic that the cost of China's PEM electrolyzers will drop by 40%. Considering the decrease in electricity costs and power consumption, the cost of hydrogen production is expected to drop by 40% (than general conditions) in 2025.

3) A combination of Alkaline + PEM makes the electrolysis more economic and applicable.

 

Structure and Principles: Special Proton Exchange Membranes

Proton Exchange Membrane Water Electrolysis (PEMWE) is a new type of electrolyzer that is made up of the membrane electrode (MEA), gas diffusion layer (GDL), and bipolar plate.

The membrane electrode adopts a "sandwich"-design structure, including the cathode catalyst layer, proton exchange membrane (PEM), and anode catalyst layer.

Principles: H2O is decomposed with electricity to produce O2 and H+ at the anode. O2 flow out of the unit, while H+ flows through the proton exchange membrane. The electrons from the external circuit combine with H+ at the cathode to form H2.

 

Applications: wind-solar coupling for hydrogen production, green hydrogen-powered chemical industry, fuel cells, thermal energy

For intermittent demand for renewable energy storage in the upstream sub-sector:

Wind-solar coupling for hydrogen production can accommodate wind, solar energy and other renewable energy by converting them into green hydrogen that is easier to store and high in energy density. PEM hydrogen production technology takes a shorter time to start and respond. Since it is more flexible than alkaline electrolyzers, it can be coupled with renewable energy, which is more compatible and better to buffer residual power.

 

For combined applications in the downstream sub-sectors:

1) Applied for methane synthesis, methanol synthesis and Fischer-Tropsch synthesis as a chemical raw material with CO2 captured from industrial waste gas or air;

2) Applied directly as an energy source, high-purity hydrogen produced by PEM to fuel up FCEVs for less exhaust pollution from the transportation;

3) Applied as a high-quality heat source for home heating and industry;

4) Applied for Haber-Bosch process of ammonia synthesis with nitrogen in the air;

5) High-quality hydrogen for electronic device manufacturing.

 

SANY Hydrogen Energy is favored by global customers with its overseas high-quality after-sales service system. Supported by the Overseas Business Department of SANY Group, we are committed to providing customers with a full range of hydrogen producing and refueling services, including on-site maintenance, technical services, and relevant personnel training.

Hydrogen producing equipment service program

1. On-site maintenance and technical service

1.1 Design and technical services

Cooperating with the designers to finish the detailed design.

Participating in the design review and engineering coordination meeting organized by the purchaser.

1.2 On-site services

Responsible for guiding the on-site installation of the supplied equipment.

Guiding the first start-up commissioning and delivery of the full equipment package.

Providing comprehensive technical training for equipment maintenance personnel.

1.3 After-sales services

Responding to and guiding the troubleshooting for equipment quality or man-made operation failures within 24 hours.

Providing information on manufacturers of spare parts, and supporting the model selection and purchase.

Providing free technical services before the warranty expires.

 

2. Training

2.1 Technical disclosure and services

Responsible for the installation and commissioning of the equipment.

Training the users' technicians and operators during the term of on-site services.

2.2 Services in use

Providing fast and high-quality services in use to ensure the normal operation of the equipment.

Providing information on manufacturers of spare parts, and supporting the model selection and purchase.

Providing information on the latest technology development and newly developed parts.

 

Hydrogen refueling equipment service program

1. Warranty

1.1 Quality standards and requirements

The equipment, materials and outsourcing kits should meet the relevant specification requirements and national standards.

The performance of the equipment should meet the parameters in the technical specifications and the standard specifications for manufacturing, testing and acceptance.

1.2 Warranty period

The warranty should expire 1 year after acceptance.

During the warranty period, we are committed to free repair of any faults and damages that are caused by man-made errors, and free replacement of failed parts.

 

2. On-site and after-sales services

2.1 Response and service time

During the warranty period, we are committed to response within 2 hours, and sending qualified engineers and technicians to the site for inspection and maintenance within 24 hours.

2.2 Engineering design and civil construction

Conducting technical disclosure with equipment manufacturers and design institutes, and supporting the completion of the equipment construction design drawings.

During the civil construction stage, we are committed to sending engineers and technicians to the site to ensure that the construction is carried out in accordance with the technical requirements and design drawings.

2.3 Delivery, installation and completion acceptance of equipment

Guiding the hoisting and positioning of the equipment, and supporting the users in the preliminary acceptance.

Providing relevant technical support and communication, including installation requirements and electrical instructions for on-site equipment interfaces.

During the completion and acceptance, we are committed to providing commissioning plans and schedules, carrying out system commissioning, and preparing commissioning and acceptance reports.

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