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Item #:
85395825
PBI Membrane polybenzimidazole Membrane Ionic Film, for Medium to high Temperature Proton Exchange Membrane Fuel/Flow Cells (25m, 10x10cm)
82% of respondents would recommend this to a friend
Item #:
85395825
LKR 21776
Price Details
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*All items will import from US
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Imported from USA store
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Order now and get it around Thursday, October 01
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High stability, high ion selectivity, and high mechanical strength.
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What Stands Out
High Temperature Resistance
This PBI membrane operates efficiently in medium to high temperatures, ensuring optimal performance in extreme conditions, making it ideal for demanding fuel cell applications.
Durable Construction
With a thickness of 35μm and dimensions of 20x20cm, this membrane offers robust structural integrity, enhancing longevity and reliability in various flow cell operations.
Enhanced Ion Conductivity
Designed specifically for proton exchange applications, it delivers superior ionic conductivity, resulting in improved energy efficiency and overall performance in fuel cell systems.
Product Details
| Package Weight | 1 Pound |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
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Fuel Cell Developers
Ideal for researchers developing medium to high temperature fuel cells requiring efficient proton exchange membranes.
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Energy Research Labs
Useful in laboratories focused on innovative energy solutions and alternative fuel technologies leveraging fuel cell applications.
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High-Temperature Applications
Best suited for applications operating at elevated temperatures that demand stable and durable membrane performance.
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Low-Temperature Uses
Not suitable for applications needing low temperature performance as the membrane performs best in higher temperatures.
Product Description
PBI Membrane polybenzimidazole Membrane Ionic Film, for Medium to high Temperature Proton Exchange Membrane Fuel/Flow Cells (25m, 10x10cm)
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Customer Questions & Answers
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Question:
What is the PBI Membrane and its primary applications?
Answer: The PBI Membrane, or polybenzimidazole membrane, is a specialized ionic film designed for use in medium to high-temperature proton exchange membrane fuel cells (PEMFCs). It effectively facilitates proton conduction while supporting acidic environments, making it ideal for applications in energy systems requiring durability and efficiency. Common scenarios include use in fuel cell vehicles, stationary power generation systems, and portable fuel devices, where reliable performance at elevated temperatures is crucial. -
Question:
What is the thickness of the PBI Membrane and why is it important?
Answer: The thickness of the PBI Membrane is 25µm, a specification that strikes a balance between durability and ion conductivity. Thinner membranes provide higher ionic conductivity but may lack mechanical strength, while thicker membranes tend to offer better durability but may reduce efficiency. This 25µm thickness makes it versatile for varying operational conditions in proton exchange fuel cells, ensuring optimal performance in applications like automotive power systems and industrial energy solutions. -
Question:
Is the PBI Membrane suitable for direct methanol fuel cells?
Answer: Yes, the PBI Membrane is suitable for direct methanol fuel cells (DMFCs) due to its chemical stability and proton conductivity at elevated temperatures. This membrane effectively reduces methanol crossover, enhancing the overall efficiency of the DMFC system. Users can integrate it into various applications such as portable power sources or renewable energy setups, taking advantage of its high performance in converting methanol into electricity. -
Question:
How does the PBI Membrane perform in high temperatures?
Answer: The PBI Membrane excels in high-temperature environments, withstanding temperatures well above those typically encountered in conventional fuel cells. Its thermal stability allows it to maintain proton conductivity without degradation, making it an excellent choice for operations in extreme conditions. Applications include advanced energy systems in aerospace, automotive, and other industries where high-performance fuel cells are required. -
Question:
Can the PBI Membrane be used in hydrogen fuel cells?
Answer: Absolutely, the PBI Membrane can be effectively utilized in hydrogen fuel cells, offering enhanced performance due to its high thermal and chemical stability. In hydrogen fuel cell applications, it ensures efficient proton conduction, contributing to improved energy conversion efficiency. Scenarios include powering electric vehicles or backup generators, where reliable hydrogen fuel cell technology is necessary. -
Question:
What distinguishes the PBI Membrane from other fuel cell membranes?
Answer: The PBI Membrane stands out due to its ability to operate efficiently at higher temperatures compared to traditional membranes. Unlike Nafion or other polymer-based membranes that require lower operating temperatures, the PBI Membrane supports a broader temperature range, making it less susceptible to thermal degradation. This feature is crucial for demanding applications in sectors like transportation and energy generation, where temperature variations are common. -
Question:
How is the PBI Membrane manufactured, and what are its components?
Answer: The PBI Membrane is manufactured through a chemical process involving polybenzimidazole polymer, which undergoes membrane-forming techniques. It typically incorporates various additives to enhance its ion conductivity and mechanical properties. Understanding the manufacturing process is essential for ensuring the quality of the membrane, which is vital for applications in fuel cell systems that operate under rigorous conditions. -
Question:
Are there any specific storage requirements for the PBI Membrane?
Answer: Proper storage of the PBI Membrane is essential to maintain its performance. It should be kept in a cool, dry place away from direct sunlight and extreme temperatures. This ensures that the membrane retains its ionic properties and chemical stability. Users in fuel cell research or development often find that adhering to these storage guidelines prolongs the lifespan and efficacy of the membrane in practical applications. -
Question:
Where can I buy PBI Membrane polybenzimidazole Membrane Ionic Film in Sri Lanka?
Answer: You can purchase the PBI Membrane polybenzimidazole Membrane Ionic Film at Ubuy. They offer a range of products suitable for various applications, including fuel cells. Ubuy provides detailed product information and options tailored to your specifications, making it a convenient choice for acquiring advanced materials like the PBI Membrane. -
Question:
What are typical use cases for the PBI Membrane in fuel cell technology?
Answer: Typical use cases for the PBI Membrane in fuel cell technology include automotive applications, where it powers electric vehicles with high efficiency. It's also employed in stationary power systems that provide backup energy and in portable fuel cells used in consumer electronics. The membrane’s robustness under high temperatures makes it an optimal choice for deploying reliable and efficient fuel cells in diverse settings.
Yufreyoo Filter Membrane Editorial Review
PBI Membrane polybenzimidazole Membrane Ionic Film is designed for medium to high temperature proton exchange membrane fuel and flow cells, measuring 25m with dimensions of 10x10cm. This specialized membrane showcases superb resistance to thermal degradation, making it ideal for demanding applications. It weighs only 0.1 lbs, which enhances its usability in various setups. However, it is important to note that this item will be imported from the US, which may affect availability in different regions. Users have appreciated its performance in high-temperature environments, affirming its suitability for specific energy applications.
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Pros
- Lightweight design at just 0.1 lbs
- Excellent thermal degradation resistance
- Ideal for medium to high temperature applications
- Usable in fuel and flow cell systems
- Versatile size suitable for various projects
Cons
- Limited regional availability due to import constraints
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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LKR 21776
Order now and get it around Thursday, October 01
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Ultra-high tensile strength of 160Pa.
- Thermal stability up to 5500°C.
- High ion selectivity for superior performance.
- Recommended pre-use soaking in 85% H₃PO₄ for optimal results.
- Ideal for liquid flow batteries and proton membrane fuel cells.
- Proton conductivity exceeds 100mS/cm.
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