Proton Exchange Membrane (PEM) Fuel Cell System

Corrosion-free, and chemical-resistant piping systems: fueling the future with sustainable green energy.

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Application

Fueling the Future: Seamless Efficiency with Polymer Piping Systems

Proton Exchange Membrane (PEM) fuel cells produce clean energy by converting hydrogen and oxygen into electricity, with water and heat as by-products. They offer high efficiency, rapid start-up, and versatility for various applications. Fuel cells require a steady supply of hydrogen and oxygen to operate efficiently. Precisely controlling and monitoring parameters are crucial for optimal performance and safety, making integration with GF Piping Systems' PROGEF piping systems and automation solutions essential.

Our polypropylene piping solution PROGEF, known for its high-quality, corrosion-resistant plastic pipes, fittings and valves, ensure reliable transport of gases and liquids. We provide advanced sensors: conductivity sensors maintain water purity, magmeters measure hydrogen and oxygen flow rates, and temperature sensors control operational temperature, ensuring efficiency and longevity.

Easy Installation

Our portfolio of PP pipes, PP fittings and PP valves ensures reliability and efficiency with low leach out values for high purity, a smooth surface, high temperature resistance, and low weight for easy installation and handling.

Optimal Compatibility

Versatility is guaranteed thanks to the multi-parameter support provided for the complete line of GF Flow and analytical sensors, as well as other devices with a 4 to 20 mA current loop output when using the GF iGo module.

Maximum Performance

Pneumatic and electric actuators from GF Piping Systems enhance processes efficiency and reduce maintenance costs. Furthermore, they contribute to digitization by simplifying access to process data for system optimization.

Enhanced Digitalization

GF Ball Valves support digitization by allowing retrofitting with electrical position feedback and offering component data through unique Data-Matrix-Codes on each valve.

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Products

Ball Valve 546 Pro

The original just got better. The ball valves from GF Piping Systems do not compromise on safety. Special design features ensure high reliability and long service life. For example, there are no metal components in areas that are in contact with the medium that could corrode during use. A predetermined break point integrated in the stem interface prevents leaks due to wear or excessive force. Two o-rings integrated into the stem interface provide maximum protection.
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Ball Valve 523 Pro

The Ball Valve 523 Pro is a precise metering ball valve. The linear flow characteristics and the circular scale permit the sampling of small amounts of media with great accuracy. Additionally, the sophisticated ball design precludes sudden flow increases while the lockable lever adds another layer of safety. The 523 Pro is also available in vertical execution, increasing the fields of applications even further. The wide range of materials, dimensions, and end connections make the Ball Valve 523 Pro the perfect solution for various applications, such as Water Treatment, the Chemical Process Industry, Microelectronics, or Marine applications.
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FAQs

How efficient are PEM fuel cells compared to combustion engines or batteries?

PEM (Proton Exchange Membrane) fuel cells are highlighted for their superior efficiency over traditional combustion engines and some battery technologies. Here's a quick comparison: 

  • PEM Fuel Cells: These achieve efficiencies of 40-60%, which can be elevated to approximately 85% when waste heat is utilized in cogeneration systems. They offer faster refueling times and higher energy density, making them well-suited for applications requiring longer ranges and shorter refueling times.*
  • Combustion Engines: Generally, these only reach 25-30% efficiency due to heat loss, making them less efficient and more pollutive.*
  • Batteries: Lithium-ion variants show up to 90% efficiency, while lead-acid types match PEM fuel cells at about 50%. Batteries excel in energy conversion and storage despite slower recharge times. PEM fuel cells excel with a blend of efficiency, rapid refueling, and energy density, making them great for transport and power generation where fast refueling and extended range are essential.*

GF Piping Systems enhances PEM fuel cell efficiency and reliability with its advanced polypropylene piping systems. 

*U.S: Department of ENERGY: Fuel Cell Technologies office Fuel Cells Fact Sheet (energy.gov) Hydrogen and Fuel Cell Technologies Office | Department of Energy.

What equipment is essential in a PEM fuel cell, and which media must be transported through the piping systems?

A PEM (Proton Exchange Membrane) fuel cell system consists of several critical components that work together to convert hydrogen and oxygen into electricity. The key components include:

  • Membrane Electrode Assembly (MEA): The core where electrochemical reactions occur.
  • Bipolar Plates: Distribute gases over the MEA and collect the generated current.
  • Gas Diffusion Layers (GDL): Ensure even gas distribution to the MEA.
  • Cooling Systems: Manage heat to maintain optimal performance.

Media Supply 

  • Oxygen Supply: Usually from the air.
    Conditions: Supplied at ambient pressure and temperature.
    Concentration: Approximately 21% in the air, sufficient for operation.
  • Hydrogen Supply:
    Pressure: Typically ranges from 1.5 to 3 bar.
    Temperature: Around 20-30°C.
    Purity: Concentrations often required to be above 99.99% to prevent contamination and ensure efficient operation. *

GF Piping Systems’ advanced polypropylene piping systems (PROGEF Standard and PROGEF Plus) are meticulously designed to meet these stringent requirements, ensuring the secure and efficient delivery of hydrogen and oxygen. 

* Mo, S., Du, L., Huang, Z. et al. Recent Advances on PEM Fuel Cells: From Key Materials to Membrane Electrode Assembly. Electrochem. Energy Rev. 6, 28 (2023).doi.org/10.1007/s41918-023-00190-w.

What is the status of the commercialization of PEM fuel cells, and in which format is hydrogen supplied to the fuel cell?

The commercialization of PEM fuel cells is progressing steadily, with applications in transportation, stationary power generation, and portable power. Hydrogen is commonly supplied in high-pressure cylinders, typically at 350 to 700 bar. GF Piping Systems supports this infrastructure by providing components for type IV tanks, which are made from composite materials with an inner liner to ensure gas-barrier properties and withstand high pressures. Our products ensure safe and reliable storage and transportation of hydrogen, facilitating the broader adoption of PEM fuel cells.

Check out our offering for inner liner components for type IV vessels made of PA or PE grades at our hydrogen usage page.

What kind of monitoring systems, such as flow meters, pressure sensors, or temperature sensors, are needed to monitor an optimal supply of media, and how does GF Piping Systems support?

Monitoring systems in PEM fuel cells require precise flow meters, pressure sensors, and temperature sensors to ensure optimal performance and safety. These instruments monitor the supply of hydrogen, oxygen, and coolant, ensuring they are delivered at the correct flow rates, pressures, and temperatures. We offer a comprehensive range of sensors and monitoring equipment designed for accurate and reliable measurements. Our solutions help maintain the proper operation of PEM fuel cell systems, enhancing efficiency, safety, and longevity.

For more information, access our product portfolio of measurement and control:

We are dedicated to supporting the hydrogen economy with specialized solutions, from initial planning and material selection to the delivery and installation of high-quality components. Our expertise ensures that your PEM fuel cell systems operate at peak performance and reliability.

Would you like to know more?

Click here to schedule a consultation with one of our experts and discuss your project requirements or any further questions you may have.

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Georg Fischer Piping Systems Ltd

Ebnatstrasse 111

8201 Schaffhausen

Switzerland

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