Name: 1um Platinized Titanium Felt For PEM Electrolyzers --- Anode Porous Transport Layer (PTL) Customized Suppliers, Manufacturers - Free Sample - TOPTITECH Metal Materials
Brand: TOPTITECH
SKU: 300489105

Platinized titanium felt is a high-performance porous transport layer (PTL) specifically engineered for PEM water electrolyzers used in green hydrogen production.

As a critical component on the anode side, it must withstand strong acidic environments, high oxidation potential, and high current density while maintaining stable electrical conductivity, efficient mass transfer, and long-term durability.

TOPTITECH's platinized titanium sintered felt is manufactured from high-purity titanium fiber substrates with a uniform, tightly bonded platinum coating, designed to eliminate passivation, reduce cell voltage, improve gas-water transport, and extend electrolyzer stack life. It is a suitable replacement for carbon-based diffusion layers, which rapidly corrode and degrade under PEM anode operating conditions.

Products Specifications

Substrate: High-purity sintered titanium fiber felt
Size: 100*100*0.6mm
Coating: Platinum (platinized)
The thickness of Platinum: 1um (customizable)
Porosity: 70%
Application: PEM electrolyzer, Alkaline electrolyzers, fuel cell, etc.

Products Features

1um Platinized Titanium Felt for PEM Electrolyzers --- Anode Porous Transport Layer PTL 3

Ultra-Low Contact Resistance
With high-purity titanium fiber substrate and uniform platinum coating, our titanium felt minimizes interfacial resistance and effectively reduces cell voltage, helping lower power consumption and improve overall electrolysis efficiency.

Superior Corrosion Resistance
The titanium base provides excellent acid resistance, while the platinum layer prevents oxidation and passivation in the anode environment. Unlike carbon-based materials, it does not corrode or decay even under long-term operation, ensuring stable performance.

1um Platinized Titanium Felt for PEM Electrolyzers --- Anode Porous Transport Layer PTL 5

Optimized Porous Structure
Featuring high porosity (60%–80%) and controllable pore distribution, the felt enables fast water penetration and rapid oxygen exhaust. This greatly reduces mass transport loss and supports stable operation at high current densities.

Excellent Mechanical Stability & Uniformity
TOPTITECH sintered titanium felt offers consistent thickness, good compressibility, and high structural strength. It fits perfectly between the catalyst layer and bipolar plate, ensuring reliable stack assembly and performance consistency.

applications

PEM Water Electrolysis Stacks: Suitable for small-scale, medium-scale, and large-scalegreen hydrogen production, serving as the anode PTL to ensure efficient conductivity, gas-water transport, and long-term stability.

Anode PTL/GDL for PEM Electrolyzers: Bridges the catalyst-coated membrane (CCM) and bipolar plate, providing electrical conduction, mass transport, mechanical support, and corrosion protection, replacing carbon-based GDLs that degrade easily in anode environments.

High-Current-Density Industrial Electrolyzers: Optimized for high-current-density operation, suitable for industrial hydrogen production, chemical processing, and metal reduction.

Grid-Scale & Distributed Hydrogen Systems: Compatible with renewable energy (solar and wind)-coupled PEM electrolyzers, grid-scale energy storage systems, and hydrogen refueling stations, it adapts flexibly to variable operating conditions while ensuring high electrolysis efficiency.

Specialized Scenarios: Applicable to marine, aerospace PEM electrolyzers and electrochemical hydrogen purification systems, thanks to its excellent corrosion resistance and mechanical stability.