Design and development of an automated experimental setup for ion transport measurements

Author:

Yadav Sharad Kumar123,Kumar Mukesh23,Ramaprabhu Sundara24,Nandigana Vishal V. R.13ORCID,Nayak Pramoda K.235ORCID

Affiliation:

1. Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai 600036, India

2. Department of Physics, Indian Institute of Technology Madras, Chennai 600 036, India

3. Micro Nano and Bio-Fluidics Group, Indian Institute of Technology Madras, Chennai 600036, India

4. Alternative Energy and Nanotechnology Laboratory (AENL), Nano Functional Materials Technology Centre (NFMTC), Indian Institute of Technology Madras, Chennai, India

5. 2D Materials Research and Innovation Group, Indian Institute of Technology Madras, Chennai 600036, India

Abstract

The ion transport measurements using various ion-exchange membranes (IEMs) face several challenges, including controllability, reproducibility, reliability, and accuracy. This is due to the manual filling of the solutions in two different reservoirs in a typical diffusion cell experiment with a random flow rate, which results in the diffusion through the IEM even before turning on the data acquisition system as reported so far. Here, we report the design and development of an automated experimental setup for ion transport measurements using IEMs. The experimental setup has been calibrated and validated by performing ion transport measurements using a standard nanoporous polycarbonate membrane. We hope that the present work will provide a standard tool for realizing reliable ion transport measurements using ion-exchange membranes and can be extended to study other membranes of various pore densities, shapes, and sizes.

Funder

Department of Science and Technology, Ministry of Science and Technology, India

Ministry of Education, India

Publisher

AIP Publishing

Subject

Instrumentation

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