Safe Gas Separation with Low Resistance <0.5% H₂ in O₂

Name: IONZERA Gas Separator Membrane
Brand: IONZERA
Availability: InStock
Rating: 4.8 (12 reviews)

IONZERA breaks the conventional trade-off between low ionic resistance and gas separation. Despite 3x lower area resistance than Zirfon, it maintains gas crossover below 0.5% H₂ in O₂ — well within safe operating limits for commercial alkaline electrolysers.

IONZERA SPEC

<0.5%

SAFETY

<0.5%

IONZERA

<0.5% H₂ in O₂

Comparable safety

Zirfon

<0.4% H₂ in O₂

Why Gas Crossover Is a Safety-Critical Specification

In an alkaline electrolyser, hydrogen gas is produced at the cathode and oxygen at the anode. The separator membrane must prevent these gases from mixing. If hydrogen concentration in the oxygen stream exceeds 4% (the lower explosive limit), it creates an explosion hazard. Conversely, oxygen in the hydrogen product reduces purity and can damage downstream equipment.

IONZERA maintains gas crossover below 0.5% H₂ in O₂ under standard operating conditions — well below the safety threshold and comparable to Zirfon PERL UTP 500's specification of less than 0.4%. This demonstrates that IONZERA's optimized pore structure delivers effective gas separation despite its larger pore size and dramatically lower ionic resistance.

Low Resistance Without Sacrificing Gas Barrier

Conventional membrane design assumes a fundamental trade-off: lower ionic resistance requires larger or more numerous pores, which inevitably increases gas crossover. IONZERA challenges this assumption through several design innovations:

Tight pore size distribution (0.38–0.42 μm) prevents outlier pores that would allow gas penetration

High bubble point (>1.3 bar) confirms robust gas barrier despite larger average pore size

Superior wettability (24° contact angle) keeps pores fully electrolyte-filled, blocking gas transport

Uniform mesh-free pore structure eliminates localized weak spots

Crossover Performance Under Dynamic Conditions

Real-world electrolysers, especially those coupled with intermittent renewable energy sources, experience frequent load changes, startups, and shutdowns. During these transient conditions, differential pressure fluctuations can temporarily increase gas crossover. IONZERA's high bubble point (>1.3 bar) provides an additional safety margin during these dynamic operating scenarios, ensuring crossover remains within safe limits even under non-ideal conditions.

EXPLORE MORE

ApplicationsEnergyIONZERA for Alkaline Water Electrolysis (AWE)EnergyIONZERA for Green Hydrogen Production IndustryIONZERA for Ammonia Production ResearchIONZERA for Electrolyser Stack OEM Integration EnergyIONZERA for Renewable Energy Integration

ComparisonsvsIONZERA vs Zirfon: Specifications vsAsbestos-Free Separator Alternative

SpecsBubble Point Pressure >1.3 bar Optimized Pore Size 0.38–0.42 μm High Wettability 24° Contact Angle

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