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10 June 2024 Optical fiber sensor capable of monitoring hydrogen in the subsurface hydrogen storage environment
Daejin Kim, Alexander Shumski, Krista K. Bullard, Ruishu Wright
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Proceedings Volume 13044, Optical Waveguide and Laser Sensors III; 130440W (2024) https://doi.org/10.1117/12.3012778
Event: SPIE Defense + Commercial Sensing, 2024, National Harbor, Maryland, United States
Abstract
Subsurface hydrogen storage is a cost-effective and environmentally friendly energy storage option for large-scale and long-term applications. Hydrogen is usually stored in subsurface storage facilities at high temperature under high pressure and high humidity. Monitoring hydrogen concentration in those harsh environments of the underground storage deposits is crucial to ensure the integrity of the hydrogen storage infrastructure and to enable reliable long-term operation. Thus, this study focuses on the development of optical fiber hydrogen sensors capable of monitoring hydrogen in harsh environments that are representative of underground storage conditions. The optical fiber hydrogen sensor developed in this study consists of a palladium-based sensing film with a protective polymer layer which can improve thermal, chemical, and mechanical stability of the optical fiber sensor. The impact of high temperature and high pressure under high humidity conditions on hydrogen sensing with the developed optical fiber sensor will be presented. The effect of cushion gases such as CO2 and CH4 on hydrogen sensing under those harsh conditions will also be discussed.
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Daejin Kim, Alexander Shumski, Krista K. Bullard, and Ruishu Wright "Optical fiber sensor capable of monitoring hydrogen in the subsurface hydrogen storage environment", Proc. SPIE 13044, Optical Waveguide and Laser Sensors III, 130440W (10 June 2024); https://doi.org/10.1117/12.3012778
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KEYWORDS
Hydrogen
Environmental sensing
Environmental monitoring
Optical sensing
Sensors
Fiber optics sensors
Optical fibers
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