1824
Tangential ultrasonic coupling with PWAS on a bipolar plate
Water management is crucial for the performance and
safety of a fuel cell. Condensed water can block
channels and lead to cell failure. In situ measurements
to diagnose such blockages are a challenge due to poor
accessibility to the process. Previous measurement
methods are costly or disrupt the process. They cannot
be used in dynamic operation or on the full-stack
system.
Subject area
Reactive Flows and Measurement Techniques
Patent number
DE102024132131
Contact person
Dr. rer. nat. Steven Wagner
wagner@rsm.tu-darmstadt.de
+49 6151 16-28925
Downloads
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Optionale Headline
We have developed a compact, cost-effective ultrasonic
sensor system that can also be attached to the edges of
narrow bipolar plates. The non-invasive acoustic
interaction between the water and the plate enables a
reliable detection of the droplet positions and sizes. In
addition, this technology can also be used in full-stack
systems for real operation diagnostics.