Hydrogen Fuel Cell Polarisation Curve

16 Jan 2014

Hi all,

The latest update on my project for the chemical engineering nerds out there, how to get a polarisation curve from my fuel cell using a raspberryPi controller.

Unlike batteries, fuel cells do not lose voltage with time because you can keep feeding it fuel. Much like a car engine keeps working until the fuel is completely gone, whereas a battery has a gradual reduction in it's output with respect to it's state of charge (SOC). However, the voltage does vary with load, and this relationship is captured in a polarisation curve.

Hope you find the video interesting and inspiring, if so please click LIKE!

Regards,

Simon

DAB over 10 years ago in reply to howroyd

Hi Simon,

I don't want to cause you any extra work, I am just identifying the issues that engineers will want to see before they try to adopt the technology.
Keep up the blogs, I find them very interesting.

DAB
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howroyd over 10 years ago in reply to DAB

I can do voltage with time yes.
Fuel flow is a touch more complex as I dont have an easy to use mass flow controller, but I will get on it!
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DAB over 10 years ago

Good post,

Are you planning to do a curve of the voltage output for a fixed current load over time?
I would also be interested in fuel use over the different loads as well.

Just a thought,
DAB
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