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Franklab
PTFE Gas Diffusion Flow Cell
PTFE Gas Diffusion Flow Cell
Regular price
$489.00 USD
Regular price
Sale price
$489.00 USD
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Product Description
Product Overview
The PTFE Gas Diffusion Flow Cell is the chemically reinforced version of the transparent acrylic GDE electrolyzer cell, designed for long-duration, harsh-electrolyte, and high-stability electrochemical experiments.
While maintaining the same internal architecture, flow logic, and modular structure as the acrylic version, this model replaces the cell body material with high-purity PTFE (Polytetrafluoroethylene), significantly expanding compatibility with strongly acidic, strongly alkaline, and aggressive electrolytes, as well as extended continuous operation.
This cell is intended for advanced electrocatalysis research, engineering-level electrolyzer testing, and durability studies, where chemical inertness and dimensional stability are critical.
Core Design Philosophy
This PTFE GDE electrolyzer cell is built for researchers who require:
•True gas diffusion electrochemistry
•Membrane-separated electrolyzer architecture
•Maximum chemical resistance
•Long-term operational stability
•Flexible, reconfigurable experimental design
It is functionally identical to the acrylic GDE cell but optimized for performance and endurance rather than visual transparency.
Cell Architecture & Working Principle
Three-Chamber Configuration
Gas Chamber
•Dedicated gas flow compartment
•Supplies gaseous reactants (CO₂, H₂, O₂, N₂, Ar, etc.)
•Gas contacts catalyst layer through a user-supplied gas diffusion electrode (GDE)
Cathode Chamber
•Liquid electrolyte chamber adjacent to the GDE
•Primary reaction zone for gas-involved electrochemical reactions
•Optimized geometry for minimizing mass-transfer resistance
Anode Chamber
•Isolated from cathode by an ion-exchange membrane
•Enables independent anolyte chemistry and OER operation
Separation Scheme
•Gas chamber ↔ Cathode chamber: Gas diffusion electrode
•Cathode chamber ↔ Anode chamber: Ion-exchange membrane (PEM / AEM / BPM)
This structure closely replicates practical electrolyzer stacks, making the cell suitable for both mechanistic research and engineering validation.
Materials & Construction
| Component | Material | Advantage |
| Cell body | High-purity PTFE | Exceptional chemical inertness |
| Sealing elements | Chemically resistant O-rings | Leak-free long-term operation |
| Fasteners | Stainless steel | Uniform compression |
| Tubing connectors | PTFE-compatible | Solvent and pH resistant |
Why PTFE?
•Resistant to strong acids (H₂SO₄, HCl)
•Resistant to strong bases (KOH, NaOH)
•Inert toward organic solvents
•Minimal ion adsorption and contamination
•Excellent dimensional stability under thermal cycling
Key Dimensions & Interfaces
| Parameter | Specification |
| Standard chamber size | 10 × 10 × 10 mm |
| Optional chamber size | 20 × 20 × 10 mm (customizable) |
| Chamber thickness | 1.2 mm |
| Anode–cathode distance | ~3 mm |
| Tubing port diameter | 3 mm |
| Reference electrode port | 4 mm |
| Tubing material | PTFE |
All dimensions follow laboratory standard formats, ensuring seamless integration with pumps, tubing, and electrochemical workstations.
Supported Electrodes & Components
Gas Diffusion Electrode (Cathode)
•Carbon paper or carbon cloth GDEs
•Catalyst systems: Ag, Cu, Sn, Ni, Fe, Co, alloys, single-atom catalysts
•User-supplied for full flexibility
Anode Electrode
•Pt mesh
•IrO₂ / RuO₂ coated electrodes
•Graphite or custom anodes
Reference Electrode
•Ag/AgCl
•Hg/HgO
•Other 4 mm standard reference electrodes
Membranes
•Nafion® (PEM)
•Anion exchange membranes (AEM)
•Bipolar membranes (BPM)
•Porous separators (on request)
Flow & Operation Modes
Gas Phase
•Continuous gas feed
•Compatible with mass flow controllers and back-pressure regulation
Liquid Phase
•Static electrolyte operation
•Flow-through mode using peristaltic or syringe pumps
Operating Environment
•Suitable for:
Acidic systems
Alkaline systems
Neutral electrolytes
Long-term durability testing
Typical Applications
•CO₂ Reduction Reaction (CO₂RR)
•Gas-fed Hydrogen Evolution Reaction (HER)
•Oxygen Evolution Reaction (OER)
•GDE flooding and stability studies
•Membrane performance comparison
•Electrolyzer durability and aging tests
•Engineering-level gas electrolysis validation
•Catalyst lifetime and deactivation analysis
Key Advantages
•Extreme Chemical Resistance PTFE ensures stable performance in environments where acrylic or metal cells degrade.
• Engineering-Grade Reliability Designed for long-duration experiments and repeated cycling.
• Modular & Reconfigurable Same interchangeable plate system as the acrylic version.
•Low Contamination Risk Ideal for trace-level product analysis and mechanistic studies.
Standard Package Includes
•PTFE gas diffusion electrolyzer cell body
•Gas chamber, cathode chamber, and anode chamber modules
•Sealing O-rings
•Stainless steel fastening bolts
•PTFE tubing connectors
•Reference electrode port adapter
(Gas diffusion electrodes, membranes, electrodes, tubing, and catalysts are not included)
Customization Options
•Larger chamber volumes
•Alternative port layouts
•Reinforced structure for elevated pressure
•Compatibility with in-situ optical or spectroscopic modules
•Full electrolyzer test platform integration
For Custom Orders or Inquiries
If you have custom requirements or any additional questions, feel free to contact us:
Email: support@franklab.shop