ZSM Composite Separator for Alkaline Water Electrolysis

Low gas permeability · Low Resistance · Long Lifespan

Advanced Water Electrolysis Technology

Alkaline water electrolysis dominates 70%+ of the global hydrogen production market with proven technology and cost advantages. Our ZSM composite separators are the critical membrane component that determines electrolyzer efficiency, hydrogen purity, and overall system performance in industrial hydrogen generation.

Superior Performance Benefits

  • Ultra-Low Electrical Resistance: 50%+ reduction vs. traditional PPS separators (≤0.20 Ω·cm²)
  • Enhanced Electrolyzer Efficiency: Optimized ion transport for maximum hydrogen production
  • Significant Energy Savings: Reduced power consumption and operational costs
  • Superior Gas Separation: High bubble point (≥3 bar) prevents gas crossover and ensures safety
  • Industrial Scalability: Custom widths up to 2 meters for large-scale applications
Functional Coating PPS Support Layer Functional Coating Composite Separator Structure Sandwich Structure · ZrO₂ Modified · Permanent Hydrophilic Key Performance Area Resistance: <0.20 Ω·cm² Bubble Point: >3bar H₂ Purity: 99.9% Working Principle • OH⁻ Ion Conduction • Gas Barrier Separation • Reduce Internal Loss

Key Features

LOW

Ultra-Low Resistance

Area resistance <0.20 Ω·cm², 50%+ lower than PPS separators

3bar+

Superior Gas Barrier

Bubble point ≥3 bar, excellent gas separation

2m

Scalable Design

Width up to 2m, customizable for various applications

99.9%

High Purity Output

Hydrogen purity ≥99.9%, premium quality guaranteed

Technical Specifications

Advanced Technology

Advanced Composite Process

Optimized polymer-ceramic formulation with superior electrochemical and mechanical properties.

Sandwich Structure Design

Three-layer composite: PPS support core with functional coatings for optimal performance.

ZrO₂ Modification Technology

Zirconia nanoparticles enhance hydrophilicity, conductivity, and chemical stability.

Optimized Micropore Structure

Controlled pore distribution eliminates finger-like structures, optimizing ion transport.

Composite separator

Composite Separator

SEM image

SEM Image

Technical Parameters

Electrochemical Performance

  • Area Resistance: ≤0.20 Ω·cm²
  • Validation Duration: >9000 hours (testing)
  • Electrochemical Stability: Excellent

General Parameters

  • Thickness Range: 300-500 μm
  • Effective Width: ≤2 m
  • Dimensional Stability: <0.15%

Physical Parameters

  • Bubble Point Pressure: ≥3 bar
  • Tensile Strength: ≥20 MPa
  • Membrane Flux (5bar): <2L/min·cm²

Operating Conditions

  • Operating Temperature: ≤110°C
  • pH Range: 12-14
  • Operating Current Density: ≤15000 A/m²

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