White paper

Loading Mass, Thickness, and Material Determination Using X-Ray Fluorescence and Raman Spectroscopy

Accurate, real-time catalyst layer analysis using inline XRF monitoring and Raman spectroscopy for improved fuel cell performance and cost efficiency

The quality of the catalyst layer in fuel cells and electrolyzers is a key factor for achieving high performance and lower costs. HORIBA offers a range of analytical instruments that use X-ray and laser-based techniques to precisely monitor catalyst loading in real time, both in the laboratory and during production.

HORIBA has created this white paper to highlight how advanced analytical techniques—X-ray fluorescence (XRF analysis) and Raman spectroscopy—enable precise measurement of catalyst loading, thickness, and material composition. It also demonstrates how inline XRF monitoring and complementary material analysis methods support quality control, failure analysis, and process optimization across both R&D and production environments.

Authors:
Dr. Jana Kalbacova – Business Development, Alternative Energy Systems
Chiya Nishimura – XRF Product Specialist, Sales Promotion Center
Naoki Shimatani – Battery/FC/EC Application Scientist, Analytical Solution Plaza Kyoto

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