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30nm Gold-Plated Porous Titanium Plate for PEM Electrolyzer

30nm Gold-Plated Porous Titanium Plate for PEM Electrolyzer photo-1
30nm Gold-Plated Porous Titanium Plate for PEM Electrolyzer photo-2
30nm Gold-Plated Porous Titanium Plate for PEM Electrolyzer photo-3
US$ 3 - 10 MOQ: 1 Piece
Key Specifications
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Business Type:
Manufacturer
Year Established:
2011
Annual Export Value:
US$5 Million - US$10 Million
Payment & Shipping
Payment Methods:
Port of Shipment:
shanghai shenzhen tianjin
Delivery Detail:
5 days

Product Introduction


TOPTITECH’s 30nm Gold-Plated Porous Titanium Plate for PEM Electrolyzer delivers exceptional electrochemical stability by combining titanium’s structural integrity with gold’s catalytic surface properties. Unlike untreated titanium, which forms insulating oxide layers under high-pressure oxygen environments, the conformal gold coating prevents TiO₂ passivation while maintaining ultralow interfacial contact resistance. The precisely controlled 30nm Au layer ensures full pore penetration through advanced electrodeposition techniques, achieving uniform conductivity across the three-dimensional porous network without compromising gas diffusion efficiency. Gold’s inherent corrosion resistance in acidic/alkaline electrolytes eliminates performance degradation from oxidative dissolution, a critical advantage over non-noble metal coatings.


The gold-plated titanium substrate exhibits superior electron transfer kinetics compared to bare or other MMO alternatives, minimizing ohmic losses at the bipolar plate interface. Its dual-sided coating architecture enables symmetrical current distribution while the open porous structure maintains optimal water/oxygen transport. The metallurgical bond between gold and the titanium base material ensures long-term adhesion even under thermal cycling conditions, making it ideal for renewable hydrogen production systems requiring decades of maintenance-free operation.


Specifications

Material: GR1 titanium

Size: 100*100mm

Thickness: 1mm

Pore size: 10-20um

Gold-plated thickness: 30nm

Coating technique: PVD


Features

Passivation Resistance‌ - The conformal gold coating effectively blocks titanium oxide formation even under high-pressure oxygen environments, maintaining consistent electrical conductivity throughout operational cycles


Optimized Current Distribution‌ - Dual-sided gold deposition enables uniform electron transfer across the entire electrode surface while preserving the open porous structure for efficient gas/liquid transport


Corrosion Immunity‌ - Gold's noble metal properties provide exceptional stability against acidic/alkaline electrolyte degradation, outperforming nickel or copper-based coatings in PEM electrolyzer conditions


Interfacial Efficiency‌ - The metallurgically bonded gold-titanium interface demonstrates lower contact resistance compared to conventional bipolar plate materials, minimizing ohmic losses in stack assemblies


Structural Integrity‌ - The precisely controlled 30nm coating thickness maintains the original titanium substrate's mechanical strength while achieving complete pore penetration for three-dimensional conductivity


Thermal Compatibility‌ - Coefficient of thermal expansion matching between gold and titanium prevents delamination during temperature cycling, ensuring long-term adhesion in dynamic operating conditions


Applications in PEM electrolyzer

Anode Current Collector Optimization

Serves as corrosion-resistant backing layer for membrane electrode assemblies (MEAs)

Maintains stable interfacial contact resistance during high-current-density operation

Enables thinner catalyst layers through enhanced current distribution


Bipolar Plate Surface Modification

Replaces conventional graphite or stainless steel flow fields

Gold-titanium composite withstands anode-side oxygen evolution conditions

Microporous architecture facilitates bubble detachment from catalyst sites


Thermal Management Component

Conducts heat uniformly across active areas during transient operations

Metallic substrate prevents hot spot formation in megawatt-scale stacks

Compatible with press-fit cooling channel integration


Hybrid Water Splitting Systems

Bridges proton exchange membranes with alkaline environments

Gold coating prevents pH-dependent titanium passivation

Enables modular stack designs for hybrid electrolysis configurations


Dynamic Load Cycling Applications

Withstands frequent startup/shutdown cycles in renewable-powered systems

Minimal performance decay during intermittent operation

Outperforms carbon-based materials in durability testing


Performance Advantages Over Conventional Materials

The gold-titanium composite demonstrates superior stability in accelerated stress tests simulating decade-long operation. Its open pore structure achieves 20% higher gas evacuation efficiency than sintered metal alternatives while preventing catalyst flooding. The material's plasticity allows laser welding integration into commercial stack architectures without precious metal depletion.



Technical comparison between gold-plated and platinum-plated porous titanium plates for electrolyzer applications:


Catalytic Activity‌

Platinum demonstrates superior hydrogen evolution reaction (HER) kinetics while gold shows better oxygen evolution reaction (OER) stability

Platinum coatings degrade through Ostwald ripening whereas gold maintains nanoparticle dispersion


Oxidation Resistance‌

Gold provides complete passivation prevention while platinum forms conductive oxide layers

Platinum requires thicker coatings to prevent substrate exposure in acidic media


Interfacial Properties‌

Gold-titanium interfaces exhibit lower contact resistance than platinum-titanium junctions

Platinum shows stronger adhesion but higher susceptibility to delamination during thermal cycling


Durability Mechanisms‌

Gold resists electrochemical dissolution but shows lower mechanical wear resistance

Platinum withstands abrasive wear better but suffers from carbon corrosion in hybrid systems


Package and Shipment


1. Sintered Filters are usually packed in cartons, wrapped in soft film, and fixed in a box filled with industrial foam cotton, and the outer baler is packed with plastic bags with no damage during transportation.


2. Wooden box export packaging can also be customized. The foam cotton can be filled and fixed, the external box is sealed, the bottom is specified, the whole packaging is processed, and the goods can be delivered to the customer's designated place without damage.



Contact Us


TEL: +8619992203758


FAX: 0917-3873009


Email:karrykang@bjygti.com


Company: TOPTITECH -- BAOJI YINGGAOCO., LTD


Website:/


ADD: No. 195, Gaoxin Avenue, High-tech Development Zone, Baoji City, Shaanxi, China


Product Tags: Gold-Plated , Porous Titanium Filter , PEM Electrolyzer

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Verified Business License
Business Type
Manufacturer
Year Established
2011
Annual Export Value
US$5 Million - US$10 Million
Port of Shipment
tianjin, shanghai, shenzhen