A practical method for measuring the true hydroxide conductivity of anion exchange membranes

By Noga Ziv, Dario R. Dekel. 2018

155 citations recorded by the source corpus.

Abstract Hydroxide ions in anion exchange membranes (AEMs) are quickly exchanged for larger and less mobile anions (CO₃2− and HCO₃−) when the membrane is exposed to ambient air. Therefore, reported conductivity values of AEMs in hydroxide form are difficult to reproduce, and existing conductivity measurement techniques are not always reliable. Up to now, comparison of reported data for the hydroxide conductivity of different membranes has not been possible because tests have been performed not just with different anions, but also under different conditions and using different methods. In this work we present a practical and reproducible ex situ method for measuring the true value of the hydroxide conductivity of AEMs.

Subfields: Biomedical Engineering, Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/eddf1a291aab5f60d0946eb85711cc8c04546602

How researchers see this paper

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In Biomedical Engineering

1. B. Ladewig
2. Shanxue Jiang
3. Kimberly F. L. Hagesteijn

In Electrical and Electronic Engineering

1. D. Henkensmeier
2. B. Ladewig
3. Shanxue Jiang
4. Kimberly F. L. Hagesteijn

Citations in the corpus

• A review of the synthesis and characterization of anion exchange membranes (2018, methodology): “109 [31] Ziv N, Dekel DR (2018) A practical method for measuring”
• Overview: State-of-the Art Commercial Membranes for Anion Exchange Membrane Water Electrolysis (2021, result): “Values obtained in this way are significantly higher than those measured with the first method and are more close to the conductivity observed in an operating electrolysis cell [71,72].”