ZSM Composite Membrane Series - Alkaline Water Electrolysis Separators

High-Efficiency ZSM-E · Enhanced ZSM-S · Dual Options

Background

Alkaline water electrolysis technology, with its mature processes and cost advantages, currently dominates over 70% of the water electrolysis hydrogen production market. Composite membranes serve as core components in alkaline electrolyzers, directly impacting electrolysis efficiency and product quality.

The echemstore composite membrane series features two specialized products: High-Efficiency ZSM-E focuses on ultra-low area resistance for maximum energy efficiency; Enhanced ZSM-S emphasizes superior gas barrier performance for safe and stable system operation.

Series Advantages

  • Differentiated Solutions: Tailored products for diverse application requirements
  • Advanced Technology: Superior area resistance and gas barrier performance vs. traditional PPS membranes
  • Quality Assurance: Rigorous quality control and long-term stability validation
  • Custom Services: Specification customization for specialized applications
Functional Layer PPS Support Layer Functional Layer Composite Membrane Structure Sandwich Structure · ZrO₂ Modified · Permanent Hydrophilic Key Performance Indicators Low Area Resistance High Bubble Point Pressure Low Gas Permeability Working Principle • OH⁻ Ion Conduction • Gas Barrier Separation • Reduced Internal Resistance Loss

Product Technical Comparison

ZSM-E Type

Ultra-low Area Resistance · High Efficiency and Energy Saving

⚡ Area Resistance <0.18 Ω·cm²
🛡️ Bubble Point ≥3 bar
Recommended Applications: High-efficiency water electrolysis hydrogen production systems

ZSM-S Type

High Gas Resistance · Safe and Stable

⚡ Area Resistance <0.25 Ω·cm²
🛡️ Bubble Point ≥5 bar
Recommended Applications: Water electrolysis hydrogen production systems pursuing ultra-low oxygen-in-hydrogen levels

Detailed Technical Parameters

Parameter Category Technical Parameter ZSM-E Type ZSM-S Enhanced Type
Electrochemical Performance Area Resistance <0.18 Ω·cm² <0.25 Ω·cm²
Validation Duration >9000 hours (testing) >9000 hours (testing)
Electrochemical Stability Excellent Excellent
Physical Parameters Bubble Point Pressure ≥3 bar ≥5 bar
Gas Permeability (5bar) <2L/min·cm² <1L/min·cm²
Tensile Strength ≥20 MPa ≥20 MPa
General Parameters Thickness Range 300-500 μm 300-500 μm
Effective Width ≤2 m ≤2 m
Dimensional Stability <0.15% <0.15%
Operating Conditions Operating Temperature ≤110°C ≤110°C
pH Range 12-14 12-14
Current Density ≤15000 A/m² ≤15000 A/m²