What we believe is the first DEMS system in South Africa was installed at the university of Pretoria, and in particular in the Electrochemistry and Renewable Energy, run by prof. Shankara Radhakrishnan.

The system is an HPR-40 DEMS, developed and produced by Hiden Analytical.

Prof. Radhakrishnan research areas comprise of renewable energy applications based on electrochemical systems. Electrochemical conversion of CO2 to useful fuels/chemicals, production of green hydrogen via water electrolysis on polymer electrolyte membrane zero-gap electrolysers and also in battery recycling and super capacitors. (DEMS will be used for this purpose)

She also work on Langmuir-Blodgett films to understand the molecular electronic behaviour of unimolecular films / colloidal systems, DSSCs and Organic Photovoltaics for energy applications.


The system is equipped with two DEMS cells, one mostly suitable for electrocatalysis and the second one more for reactions, like, in this case, CO2 reduction.

The system is also equipped with a triple filter quadrupole, in order to guarantee the best performances.

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