Applications

Power Applications

High power applications

The ZENNIUM series potentiostats can be extended with the electronic load and can be used for high power applications (up to 1 kW). The Zahner's electronic loads are one-quadrant potentiostats and can only be used as a sink. Zahner's electronic loads are designed for measuring clean impedance spectra even at high DC currents. 

For electrolysers or state of charge measurements, an external power supply is required. With an external power supply, high power applications (up to 68 kW) are possible.

 

High power system

Methods

The ZENNIUM potentiostat with an electronic load is mostly used to carry out measurements on batteries, fuel cells and electrolysers. The setup can carry out all standard electrochemcial techniques. Few mostly used methods are listed below
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  1. Electrochemical impedance spectroscopy
  2. Current/voltage polarization
  3. Charging/discharging cycles
  4. EIS at charging conditions or for electrolysers, at discharging conditions or at state of charge

Technical specifications

Voltage range:
4V / 100 V
Current range:
200 A
Max. power dissipation:
1000 W
Frequency range:
10 µHz - 10 kHz @ 200 A

10 µHz - 100 kHz @ 50 A

Extensions

The combination of a ZENNIUM potentiostat with an electronic load can be further extended for use in different fields.

High power applications (up to 68 kW)

An external power supply can be used with the ZENNIUM potentiostat and the electronic load for high power applications. With such a setup, high currents of up to 680 A can be used in the measurements. The external power supply also enables measurements on electrolysers.

Extension to 680 A

Parallel impedance measurement

The PAD4 cards in ZENNIUM Pro or ZENNIUM X can be used with or without electronic load for simultaneous measurement of multiple impedance spectra for individual cells in a battery or a fuel cell.

Learn more
PAD4 card: Parallel impedance measurement on battery or fuel cell stack

Accessories

An EPC42 card is required to extend the ZENNIUM potentiostat with an electronic load. An EPC42 card can be used to connect up to 4 electronic loads which can be used sequentially.

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