Put numbers to your plant
Estimate what a higher-performance membrane is worth to your stack or plant. Every assumption is visible and editable, and every result is a starting point for a conversation with our engineers.
What more current per cell is worth
At equal voltage, a separator that carries more current lets the same stack produce more hydrogen, or a smaller stack produce the same. See the effect on capex and the capital cost of hydrogen.
Your plant
Nerva H2Sep 500 delivered up to 38% more current at the same voltage (26% at 80 °C). Slide down to test sensitivity.
Illustrative. Based on laboratory data; plant results depend on operating conditions. At equal voltage (same efficiency), required active area scales as 1 / (1 + gain).
Which Greenprastha product fits your electrolyser?
Tell us your electrolyser type and operating window. We'll show the recommended product and why, and flag anything to confirm on your bench.
Your electrolyser
Nerva H2Sep 500
Nerva H2Sep 500 is a fit for your stack
- Your 80 °C operation sits inside the Nerva H2Sep 500's window (up to 100 °C).
- Designed for hot concentrated KOH; 30 wt% is within the typical alkaline range.
- At higher current densities, lower ionic resistance matters most. Nerva H2Sep 500 delivered up to 38% more current at the same voltage.
- A 500 µm-class drop-in: no re-tooling of frames or gaskets expected.
What lower cell voltage is worth
Every 50 mV lower cell voltage at operating current is roughly 2.5% less power. See what that means for your plant over the life of a separator.
Your plant
Lower ionic resistance reduces cell voltage at your operating current. Measure the real reduction on your bench; slide to test sensitivity.
Illustrative. At the same current, power scales with cell voltage. Actual savings depend on your stack, operating point and tariff.
How much separator does your capacity need?
For stack makers planning supply: translate annual alkaline stack capacity into square metres of separator.
Your capacity
Default range ~130–200 m² of separator per MW is a Greenprastha estimate at 0.3–0.5 A/cm².
Estimate only; actual area depends on cell design, current density and spares strategy.
Turn an estimate into a qualification plan
Share your numbers with our application engineers and we'll propose a test protocol for your stack.