Optical Solutions for the Precise Analysis of Oxygen in Hydrogen Environments: Challenges and Innovations

Ariel Kigel, Products and R&D, Modcon Systems, Acco, Israel (arielk@modcon-systems.com)

The growing adoption of hydrogen as a clean energy carrier has intensified the demand for precise and reliable oxygen analysis in hydrogen-rich environments. Ensuring oxygen levels are meticulously monitored is critical for maintaining the safety, efficiency, and longevity of hydrogen-related processes, such as electrolysis, fuel cell operation, and hydrogen storage. However, the coexistence of hydrogen—a highly reactive and flammable gas—presents unique challenges for conventional oxygen detection methods, often compromised by cross-sensitivity, drift, or the risk of sparking in volatile atmospheres.

This presentation highlights the role of advanced optical solutions as an innovative approach to overcome these challenges. Optical oxygen sensors, leveraging principles such as fluorescence quenching and absorption spectroscopy, offer unparalleled advantages in terms of accuracy, responsiveness, and safety. These non-contact, intrinsically safe technologies eliminate the risks associated with electrical systems, ensuring reliable performance even under the most demanding conditions.

We explore the technological breakthroughs that make optical sensors a game-changer for the hydrogen industry, including the integration of fiber-optic probes for real-time, in-situ monitoring and the development of specialized coatings that enhance selectivity and durability in hydrogen-rich environments. Case studies from hydrogen production, storage, and utilization processes are presented to underscore the critical role of these innovations in optimizing operational efficiency and ensuring compliance with safety regulations.

The discussion also delves into the challenges that remain, such as scaling the deployment of optical solutions across diverse industrial applications and addressing cost concerns. By advancing optical technologies, the hydrogen industry can meet its ambitious goals for sustainability and safety while fostering innovation in gas analysis. This presentation serves as a roadmap for stakeholders seeking to integrate cutting-edge oxygen monitoring solutions into hydrogen-focused processes, ensuring a safer and more efficient energy future.

---

Short Biography of Presenting Author

Holds Ph.D. in physical chemistry and MBA in business administration. Leads market-oriented development and day-to-day operations of on-line process analytical systems for conventional industry. Leads definition and development of new applications into new industries, overseeing multi-national teams.