r/electrochemistry

Not necessarily the biggest breakthrough.Somthing underrated?

It could be a relatively small development that has made a huge difference to performance, manufacturing, sustainability or cost.

What's something you've come across recently that made you think:

"That's actually pretty clever."

Would be great to hear some examples from people working across different parts of the materials industry.

Hello all, I wanted to ask a question since I'm just so curious about it. I have been doing EIS measurements on carbon electrodes and my results are pretty weird, I am getting either no circle and just a V shape or a circle that starts at negative real axis values lmao. I can give more details on the comments but I don't want my project potentially being recognised by someone I know. The measurement is in 5mM Ferri ferro in distilled water, frequency range 10^5 to 0.1 Hz and it is done in OCP potential

Hi all,

We use EIS to measure proton conductivity of our polymer membrane and Thin film. My question is, can we know what type of ion is actually being measured by EIS? Like, how do i differentiate and confirm that, this system is only measuring proton (H+) conductivity not the (OH-) conductivity?

Thank you

Hi everyone! I'm a Grade 12 STEM student from the Philippines working on a science research project called PbSCAN (Lead Screening and Concentration Analysis through an Electrochemical Node).

I'm developing a low-cost portable electrochemical device for detecting lead in water, and my total budget is only around ₱5,000. I’m hoping to find suppliers located in the Philippines, preferably Luzon or Visayas, to reduce shipping time.

I'm currently looking for these components:

Arduino UNO R3 — 1 pc

ADS1115 16-bit ADC — 1 pc

Ag/AgCl reference electrode — 1 pc

Working electrode suitable for Pb detection/stripping voltammetry — 1 pc

Counter electrode (graphite or platinum, depending on the recommended setup) — 1 pc

Low-cost potentiostat or components for building one — 1

Breadboard + jumper wires

Resistors/capacitors

Basic connectors/wiring

I'm particularly having difficulty finding a proper Ag/AgCl reference electrode, Pb-compatible working electrode, and affordable potentiostat locally.

If you know any Philippine suppliers, Shopee/Lazada sellers, laboratory suppliers, or electronics stores that sell these parts, I would really appreciate the links or store names.

I'm also open to suggestions for cheaper equivalent components, as long as they're actually suitable for electrochemical Pb detection.

Deadline: August 25, 2026

Thanks in advance! Any advice from people experienced with electrochemistry, Arduino potentiostats, or heavy-metal sensors would be greatly appreciated.

Hi yall

High school teacher here. I am looking to build a DIY potentiostat with some students. I’ve looked at a few papers through chem education journal that seem interesting. I’ve done some basic CV and EIS in a lab but nothing crazy.

I am looking for guidance, recs, and any tools that would make the build easier.. I am applying for some grants to buy stuff and I am currently writing up a proposal.