PEM Porous Transport Layer (PTL)

Sungreen

PEM Porous Transport Layer (PTL)

Ultra-thin platinized transport layer designed for PEM electrolyzer applications
Up to a 30× reduction in platinum and iridium usage
Up to 20% increased current density for MEAs operating with the same catalyst loading
Low precious metal loading of less than 0.05 mg/cm²
Commercial and sample sizes available for deployment and testing

PEM Porous Transport Layer (PTL)

The SunGreen PEM Porous Transport Layer (PTL) is an ultra-thin platinized transport layer designed for PEM electrolyzer applications.
The PTL is engineered to significantly reduce precious metal usage while improving electrolyzer performance, supporting a more sustainable and scalable approach for hydrogen production systems.
The technology achieves up to a 30× reduction in platinum and iridium usage, helping reduce critical mineral dependence in PEM electrolyzers.
The nano-engineered PTL is designed to improve current density and electrochemical performance while maintaining low precious metal loading.
PTL can improve current density by up to 20% for membrane electrode assemblies (MEAs) operating with the same catalyst loading.
Commercial and sample sizes are available for deployment and testing.

Key features

Ultra-thin platinized transport layer designed for PEM electrolyzer applications
Engineered to significantly reduce precious metal usage while improving electrolyzer performance
Supports a more sustainable and scalable approach for hydrogen production systems
Achieves up to a 30× reduction in platinum and iridium usage
Helps reduce critical mineral dependence in PEM electrolyzers
Nano-engineered PTL designed to improve current density and electrochemical performance
Maintains low precious metal loading
Can improve current density by up to 20% for membrane electrode assemblies (MEAs) operating with the same catalyst loading
Commercial and sample sizes are available for deployment and testing

Technical specifications

Porosity / Compression: ~60% / 5%
Electrode Thickness: 300–400 μm
Operating Voltage: 1.6V – 2.0V
Operating Temperature: 20°C – 70°C
PGM Loading: Less than 0.05 mg/cm²
Performance Improvement: Up to 20% increased current density
MEA Test Conditions:
- 3-layer MEA
- Nafion 115 membrane
- 3 mg/cm² PGM loading

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

Application areas

PEM electrolyzers
Green hydrogen production systems
High-efficiency electrochemical systems
Industrial hydrogen generation
Scalable renewable energy applications
Advanced membrane electrode assemblies (MEAs)

Contact us

SunGreen manufactures core components for electrolyzer cells, stacks and systems. Interested? Please contact the vendor by filling in the contact form or the request for quote form.

Sungreen

SunGreen is an award-winning company transforming green hydrogen production through electrolysis with a proprietary technology for high-performance, low-cost electrolyzer components using advanced nanostructured materials. Recently awarded the BloombergNEF 2023 Pioneers award for accelerating the adoption of clean hydrogen with a proprietary technology for all commercial electrolyzers. The company is addressing several bottlenecks in the hydrogen industry. Based in Asia Pacific, the award-winning company has commissioned an electrode production and research and development facility in Melbourne, Australia, and is working with global electrolyzer manufacturers and hydrogen end users to bring products to market.

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