TECHNICAL SPECIFICATION

MECHANICAL

Mesh-Free Mechanical Strength 2.7 MPa Tensile Strength

IONZERA achieves 35% higher tensile strength than Zirfon PERL UTP 500 — without any mesh reinforcement. The PSU-TiO₂-GO nanocomposite provides inherent structural integrity for reliable long-term electrolyser operation.

IONZERA SPEC

2.7 MPa

MECHANICAL

2.7 MPa

IONZERA

2.7 MPa

35% stronger

Zirfon

~2.0 MPa

Mechanical Requirements for AWE Separators

Alkaline electrolyser separators must withstand significant mechanical stresses during their operational lifetime. These include compressive forces from stack assembly, pressure differentials between the hydrogen and oxygen compartments, thermal cycling during startup and shutdown, and handling stresses during stack assembly and maintenance.

IONZERA achieves a tensile strength of 2.7 MPa, approximately 35% higher than the roughly 2.0 MPa reported for Zirfon PERL UTP 500. Remarkably, IONZERA achieves this superior strength in a thinner profile (350–410 μm vs 500 μm) and without the PPS mesh reinforcement that Zirfon requires.

How Mesh-Free Design Achieves Higher Strength

IONZERA's mechanical strength comes from the synergistic interaction of its nanocomposite components:

Polysulfone (PSU) provides a tough, chemically resistant polymer backbone with inherent mechanical properties well-suited to AWE conditions
TiO₂ nanoparticles act as reinforcing fillers distributed throughout the matrix, improving stiffness and resistance to deformation
Graphene oxide nanosheets provide exceptional tensile reinforcement due to their high aspect ratio and strong interfacial bonding with the PSU matrix

Practical Implications for Electrolyser Operation

Higher mechanical strength translates to greater durability and reliability in real-world electrolyser operation. The membrane is less susceptible to damage during stack assembly, more resistant to creep under sustained compressive loading, and better able to tolerate pressure transients. For electrolyser OEMs, this means lower membrane replacement frequency and reduced maintenance costs over the plant lifetime.

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