High temperature fiber-optic evanescent wave hydrogen sensors using La-doped SrTiO3 for SOFC applications

Schultz, Andrew M.; Brown, Thomas D.; Buric, Michael P.; Lee, Shiwoo; Gerdes, Kirk; Ohodnicki, Paul R.

doi:10.1016/j.snb.2015.07.046

Title: High temperature fiber-optic evanescent wave hydrogen sensors using La-doped SrTiO₃ for SOFC applications

Journal Article · Tue Dec 01 00:00:00 EST 2015 · Sensors and Actuators. B, Chemical

DOI:https://doi.org/10.1016/j.snb.2015.07.046· OSTI ID:1480842

Schultz, Andrew M. ^[1]; Brown, Thomas D. ^[1]; Buric, Michael P. ^[1]; Lee, Shiwoo ^[2]; Gerdes, Kirk ^[1]; Ohodnicki, Paul R. ^[1]

National Energy Technology Lab. (NETL), Pittsburgh, PA, (United States)
AECOM/GES, Morgantown, WV (United States)

Advanced sensors are needed for development of next-generation fossil fuel power generation technologies and for enhancing efficiencies of existing power generation systems. Optical waveguide-based sensing technologies have become increasingly important for harsh environment energy applications. In this manuscript, we present sensing results for fiber-optic evanescent wave hydrogen sensors employing La-doped SrTiO₃ layers as the active sensing element. These sensors show a rapid, reproducible sensing response to hydrogen fuel gas streams at elevated temperatures (600–800 °C). The presence of hydrogen results in a reversible and reproducible decrease in near-infrared transmission through the sensor. In conclusion, sensors were also tested directly in the anode assembly of an operating solid oxide fuel cell (SOFC) with the sensor response correlating with both H₂ concentration and SOFC cell potential.

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Research Organization:: National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV, and Albany, OR (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: FE0004000

OSTI ID:: 1480842

Alternate ID(s):: OSTI ID: 1496342

Journal Information:: Sensors and Actuators. B, Chemical, Vol. 221, Issue C; ISSN 0925-4005

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 42 works

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Cited By (3)

Reflective optical fiber sensor based on light polarization modulation for hydrogen sensing Xu, Ben; Chang, Ran; Li, Ping Journal of the Optical Society of America B, Vol. 36, Issue 12 https://doi.org/10.1364/josab.36.003471	journal	January 2019
A review on nanomaterial-modified optical fiber sensors for gases, vapors and ions Pawar, Dnyandeo; Kale, Sangeeta N. Microchimica Acta, Vol. 186, Issue 4 https://doi.org/10.1007/s00604-019-3351-7	journal	March 2019
An explicit and novel structure, lattice dynamics, and photoemission of La-doped nanocrystalline SrZrO3 perovskite Sedeek, Kamilia; Makram, Nahed; Hantour, Hanan Rare Metals https://doi.org/10.1007/s12598-019-01326-y	journal	November 2019

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Title: High temperature fiber-optic evanescent wave hydrogen sensors using La-doped SrTiO3 for SOFC applications

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Title: High temperature fiber-optic evanescent wave hydrogen sensors using La-doped SrTiO₃ for SOFC applications