High-Performance Titanium-Based Porous Transport Layer (PTL) Solution
Designed for PEM water electrolysis, AEM electrolyzers, CO₂ electrolysis, and advanced electrochemical systems.
In electrochemical systems such as water electrolysis for hydrogen, CO₂ reduction, and flow batteries, the Porous Transport Layer (PTL) plays a critical role in:
Traditional carbon paper suffers from corrosion under strong oxidative conditions. Titanium, with excellent corrosion resistance and electrical conductivity, has become the preferred material for anode PTLs, especially in PEM water electrolyzers.
Youveim® Titanium Fiber Paper / Titanium Felt is made from high-purity titanium fibers through a 3D sintering process, forming a continuous conductive network with an open porous structure. It combines high porosity, excellent conductivity, mechanical strength, and chemical stability, making it a key material for high-performance electrolyzers.
| Feature | Advantage |
|---|---|
| High-purity titanium fiber sintering | Continuous and stable conductive network |
| 3D porous structure | Enhanced gas and liquid transport efficiency |
| Excellent corrosion resistance | Long-term stability in harsh oxidative environments |
| High mechanical strength | Maintains structural integrity under compression |
| High porosity | Reduces mass transfer resistance |
| Catalyst loadable | Supports Pt, Ir, Ru, and other catalysts |
| Customizable | Available in various thicknesses, porosity, and sizes |
PEM electrolyzer anodes operate under high oxidative potentials:
2H₂O → O₂ + 4H⁺ + 4e⁻
| Carbon Paper | Titanium Fiber Paper |
|---|---|
| Prone to carbon corrosion | Excellent oxidation resistance |
| Conductivity decreases over time | Stable low resistance over long periods |
| Limited lifetime | Suitable for continuous operation |
| Less stable at high current density | Suitable for industrial-scale operation |
Consequently, titanium-based PTLs are now standard for PEM electrolyzer anodes.
Anode (OER side)
Cathode (HER side)
| Model | Thickness (mm) | Porosity | Fiber Length | Fiber Diameter |
|---|---|---|---|---|
| TF010L | 0.10 | 50–60% | 35 mm | 25–50 μm |
| TF020L | 0.20 | 50–60% | 35 mm | 25–50 μm |
| TF025L | 0.25 | 50–60% | 35 mm | 25–50 μm |
| TF030L | 0.30 | 50–60% | 35 mm | 25–50 μm |
| TF040M | 0.40 | 55–65% | 35 mm | 25–50 μm |
| TF050M | 0.50 | 60–70% | 35 mm | 25–50 μm |
| TF060M | 0.60 | 60–70% | 35 mm | 25–50 μm |
| TF080M | 0.80 | 65–75% | 35 mm | 25–50 μm |
| TF100M | 1.00 | 65–75% | 35 mm | 25–50 μm |
| TF120H | 1.20 | 70–80% | 35 mm | 25–50 μm |
| TF150H | 1.50 | 70–80% | 35 mm | 25–50 μm |
| Model | Thickness (mm) | Porosity | Fiber Length | Fiber Diameter |
|---|---|---|---|---|
| TIFP025M | 0.25 | 60–70% | 70 mm | 25–50 μm |
| TIFP040M | 0.40 | 60–70% | 70 mm | 25–50 μm |
| TIFP060M | 0.60 | 60–70% | 70 mm | 25–50 μm |
| TIFP080M | 0.80 | 60–70% | 70 mm | 25–50 μm |
| Porosity | Characteristics | Recommended Applications |
|---|---|---|
| 50–60% | High liquid retention | Small lab-scale electrolyzers |
| 55–65% | Balanced performance | General research |
| 60–70% | Excellent gas diffusion | High current density |
| 70–80% | Ultra-low mass transfer resistance | Industrial electrolyzers |
| Property | 35 mm Fiber | 70 mm Fiber |
|---|---|---|
| Flatness | ★★★★★ | ★★★★☆ |
| Flexibility | ★★★★★ | ★★★☆☆ |
| Conductive continuity | ★★★★☆ | ★★★★★ |
| Mechanical strength | ★★★★☆ | ★★★★★ |
| Large-area application | ★★★☆☆ | ★★★★★ |
| Industrial operation | ★★★☆☆ | ★★★★★ |
Lab research: 35 mm series
Pilot and industrial applications: 70 mm series
| Application | Recommended Model |
|---|---|
| 1–5 cm² electrolyzer | TF025L / TF040M |
| 5–25 cm² electrolyzer | TF040M / TF060M |
| 25–100 cm² electrolyzer | TF060M / TF080M |
| >100 cm² PEM electrolyzer | TF080M / TF120H |
| High current density (>3 A/cm²) | TF120H / TF150H |
| Industrial hydrogen production | TIFP060M / TIFP080M |
Titanium fiber paper also serves as an excellent catalyst support.
| Reaction | Typical Catalysts |
|---|---|
| OER | IrO₂, RuO₂ |
| HER | Pt/C, Pt Black |
| AEM electrolysis | NiFeOx |
| CO₂ reduction | Ag, Au, Cu |
| Seawater electrolysis | IrRuOx |
Common loading methods: spraying, ultrasonic spraying, electrodeposition, electroplating, slurry coating, hot-press transfer.
| Application | Function |
|---|---|
| PEM water electrolysis | Anode PTL |
| AEM electrolyzers | Electrode diffusion layer |
| CO₂ electrolyzers | Current collector & support |
| Flow batteries | Electrode scaffold |
| Electrocatalysis research | Catalyst support |
| Metal-air batteries | Gas diffusion support |
Pre-treatment: DI water ultrasonic cleaning → ethanol ultrasonic cleaning → drying at 80°C
Compression guidance:
| System | Recommended Compression |
|---|---|
| PEM electrolyzer | 10–25% |
| AEM electrolyzer | 10–20% |
| CO₂ electrolyzer | 5–15% |
Over-compression may reduce porosity, increase mass transfer resistance, and reduce electrochemical performance.
Q1: Difference between titanium mesh and titanium fiber paper?
Titanium mesh is a 2D woven structure with larger pores; titanium fiber paper is a 3D sintered structure with higher surface area, uniform current distribution, and superior mass transfer capability.
Q2: Can it replace carbon paper?
Yes. For PEM anodes, titanium fiber paper is now the industry standard and a superior upgrade to carbon paper.
Q3: Is thicker always better?
Not necessarily. Thickness increases mechanical strength and conductivity stability, but also raises pressure drop and material cost. Selection should match electrolyzer size.
Q4: Can you provide pre-coated catalyst products?
Yes. Supports IrO₂, RuO₂, Pt, Ag, NiFeOx, and other custom coatings.
Q5: Can custom sizes be provided?
Yes. Supports round, square, and irregular shapes up to 500 mm × 500 mm and larger.
SCI Materials Hub provides high-quality Youveim® Titanium Fiber Paper and complete electrolyzer solutions:
📧 Email: contact@scimaterials.cn
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Standard size pricing (USD, per sheet)
All products available in: 5×5 cm / 10×10 cm / 20×20 cm
| Product Code | Thickness (mm) | Porosity | Fiber Length | 5×5 cm | 10×10 cm | 20×20 cm | Lead Time |
|---|---|---|---|---|---|---|---|
| TIFP025M | 0.25 | 60–70% | 70 mm | $39 | $99 | $350 | In stock |
| TIFP040M | 0.40 | 60–70% | 70 mm | $39 | $99 | $350 | In stock |
| TIFP060M | 0.60 | 60–70% | 70 mm | $39 | $99 | $350 | In stock |
| TIFP080M | 0.80 | 60–70% | 70 mm | $39 | $99 | $350 | In stock |
| Product Code | Thickness (mm) | Porosity | Fiber Length | 5×5 cm | 10×10 cm | 20×20 cm | Lead Time |
|---|---|---|---|---|---|---|---|
| TF010L | 0.10 | 50–60% | 35 mm | $29 | $79 | $290 | In stock |
| TF020L | 0.20 | 50–60% | 35 mm | $32 | $85 | $310 | In stock |
| TF025L | 0.25 | 50–60% | 35 mm | $35 | $90 | $320 | In stock |
| TF030L | 0.30 | 50–60% | 35 mm | $36 | $95 | $330 | In stock |
| TF040M | 0.40 | 55–65% | 35 mm | $38 | $95 | $330 | In stock |
| TF050M | 0.50 | 60–70% | 35 mm | $42 | $110 | $380 | In stock |
| TF060M | 0.60 | 60–70% | 35 mm | $45 | $120 | $420 | In stock |
| TF080M | 0.80 | 65–75% | 35 mm | $55 | $145 | $520 | In stock |
| TF100M | 1.00 | 65–75% | 35 mm | $68 | $180 | $650 | In stock |
| TF120H | 1.20 | 70–80% | 35 mm | $80 | $220 | $780 | In stock |
| TF150H | 1.50 | 70–80% | 35 mm | $95 | $260 | $920 | In stock |
Youveim® Titanium Fiber Paper is supplied by SCI Materials Hub, providing:
Youveim® Titanium Fiber Paper delivers a scalable PTL platform ranging from laboratory research to industrial hydrogen production systems, combining:
Partial references citing our materials (from Google Scholar)
Carbon Dioxide Reduction
1. ACS Nano Strain Relaxation in Metal Alloy Catalysts Steers the Product Selectivity of Electrocatalytic CO2 Reduction
The bipolar membrane (Fumasep FBM) in this paper was purchased from SCI Materials Hub, which was used in rechargeable Zn-CO2 battery tests. The authors reported a strain relaxation strategy to determine lattice strains in bimetal MNi alloys (M = Pd, Ag, and Au) and realized an outstanding CO2-to-CO Faradaic efficiency of 96.6% with outstanding activity and durability toward a Zn-CO2 battery.
2. Front. Chem. Boosting Electrochemical Carbon Dioxide Reduction on Atomically Dispersed Nickel Catalyst
In this paper, Vulcan XC-72R was purchased from SCI Materials Hub. Vulcan XC 72R carbon is the most common catalyst support used in the anode and cathode electrodes of Polymer Electrolyte Membrane Fuel Cells (PEMFC), Direct Methanol Fuel Cells (DMFC), Alkaline Fuel Cells (AFC), Microbial Fuel Cells (MFC), Phosphoric Acid Fuel Cells (PAFC), and many more!
3. Adv. Mater. Partially Nitrided Ni Nanoclusters Achieve Energy-Efficient Electrocatalytic CO2 Reduction to CO at Ultralow Overpotential
An AEM membrane (Sustainion X37-50 Grade RT, purchased from SCI Materials Hub) was activated in 1 M KOH for 24 h, washed with ultra-purity water prior to use.
4. Adv. Funct. Mater. Nanoconfined Molecular Catalysts in Integrated Gas Diffusion Electrodes for High-Current-Density CO2 Electroreduction
In this paper (Supporting Information), an anion exchanged membrane (Fumasep FAB-PK-130 obtained from SCI Materials Hub (www.scimaterials.cn)) was used to separate the catholyte and anolyte chambers.
SCI Materials Hub: we also recommend our Fumasep FAB-PK-75 for the use in a flow cell.
5. Appl. Catal. B Efficient utilization of nickel single atoms for CO2 electroreduction by constructing 3D interconnected nitrogen-doped carbon tube network
In this paper, the Nafion 117 membrane was obtained from SCI Materials Hub.
In this paper, Proton exchange membrane (Nafion 117), Nafion D520, and Toray 060 carbon paper were purchased from SCI Materials Hub.
7. National Science Review Confinement of ionomer for electrocatalytic CO2 reduction reaction via efficient mass transfer pathways
An anion exchange membrane (PiperION-A15-HCO3) was obtained from SCI Materials Hub.
8. Catalysis Communications Facilitating CO2 electroreduction to C2H4 through facile regulating {100} & {111} grain boundary of Cu2O
Carbon paper (TGPH060), membrane solution (Nafion D520), and ionic membrane (Nafion N117) were obtained from Wuhu Eryi Material Technology Co., Ltd (a company under SCI Materials Hub).
Batteries
1. J. Mater. Chem. A Blocking polysulfides with a Janus Fe3C/N-CNF@RGO electrode via physiochemical confinement and catalytic conversion for high-performance lithium–sulfur batteries
Graphene oxide (GO) in this paper was obtained from SCI Materials Hub. The authors introduced a Janus Fe3C/N-CNF@RGO electrode consisting of 1D Fe3C decorated N-doped carbon nanofibers (Fe3C/N-CNFs) side and 2D reduced graphene oxide (RGO) side as the free-standing carrier of Li2S6 catholyte to improve the overall electrochemical performance of Li-S batteries.
This paper used more than 10 kinds of materials from SCI Materials Hub and the authors gave detailed properity comparsion.
The commercial IEMs of Fumasep FAB-PK-130 and Nafion N117 were obtained from SCI Materials Hub.
Gas diffusion layers of GDL340 (CeTech) and SGL39BC (Sigracet) and Nafion dispersion (Nafion D520) were obtained from SCI Materials Hub.
Zn foil (100 mm thickness) and Zn powder were obtained from the SCI Materials Hub.
Commercial 20% Pt/C, 40% Pt/C and IrO2 catalysts were also obtained from SCI Materials Hub.
3. Journal of Energy Chemistry Vanadium oxide nanospheres encapsulated in N-doped carbon nanofibers with morphology and defect dual-engineering toward advanced aqueous zinc-ion batteries
In this paper, carbon cloth (W0S1011) was obtained from SCI Materials Hub. The flexible carbon cloth matrix guaranteed the stabilization of the electrode and improved the conductivity of the cathode.
4. Energy Storage Materials Defect-abundant commercializable 3D carbon papers for fabricating composite Li anode with high loading and long life
The 3D carbon paper (TGPH060 raw paper) were purchased from SCI Materials Hub.
5. Nanomaterials A Stable Rechargeable Aqueous Zn–Air Battery Enabled by Heterogeneous MoS2 Cathode Catalysts
Nafion D520 (5 wt%), and carbon paper (GDL340) were received from SCI-Materials-Hub.
Carbon cloth (W0S1011) and other electrochemical consumables required for air cathode were provided by SCI Materials Hub.
Oxygen Reduction Reaction
1. J. Chem. Eng. Superior Efficiency Hydrogen Peroxide Production in Acidic Media through Epoxy Group Adjacent to Co-O/C Active Centers on Carbon Black
In this paper, Vulcan XC 72 carbon black, ion membrane (Nafion N115, 127 μL), Nafion solution (D520, 5 wt%), and carbon paper (AvCarb GDS 2230 and Spectracarb 2050A-1050) were purchased from SCI Materials Hub.
2. Journal of Colloid and Interface Science Gaining insight into the impact of electronic property and interface electrostatic field on ORR kinetics in alloy engineering via theoretical prognostication and experimental validation
The 20 wt% Pt3M (M = Cr, Co, Cu, Pd, Sn, and Ir) were purchased from SCI Materials Hub. This work places emphasis on the kinetics of the ORR concerning Pt3M (M = Cr, Co, Cu, Pd, Sn, and Ir) catalysts, and integrates theoretical prognostication and experimental validation to illuminate the fundamental principles of alloy engineering.
Water Electrolysis
1. International Journal of Hydrogen Energy Gold as an efficient hydrogen isotope separation catalyst in proton exchange membrane water electrolysis
The cathodic catalysts of Pt/C (20 wt%, 2–3 nm) and Au/C (20 wt%, 4–5 nm) were purchased from SCI Materials Hub.
2. Small Science Silver Compositing Boosts Water Electrolysis Activity and Durability of RuO2 in a Proton-Exchange-Membrane Water Electrolyzer
Two fiber felts (0.35 mm thickness, SCI Materials Hub) were used as the porous transport layers at both the cathode and the anode.
3. Advanced Functional Materials Hierarchical Crystalline/Amorphous Heterostructure MoNi/NiMoOx for Electrochemical Hydrogen Evolution with Industry-Level Activity and Stability
Anion-exchange membrane (FAA-3-PK-130) was obtained from SCI Materials Hub website.
Fuel Cells
1. Polymer Sub-two-micron ultrathin proton exchange membrane with reinforced mechanical strength
Gas diffusion electrode (60% Pt/C, Carbon paper) was purchased from SCI Materials Hub.
Characterization
1. Chemical Engineering Journal Electrochemical reconstitution of Prussian blue analogue for coupling furfural electro-oxidation with photo-assisted hydrogen evolution reaction
An Au nanoparticle film was deposited on the total reflecting plane of a single reflection ATR crystal (SCI Materials Hub, Wuhu, China) via sputter coater.
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