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Interface and processing circuit design for ionic liquid hydrogen sensors

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dc.contributor.advisorQu, Hongwei
dc.contributor.authorLING, SHUAISHUAI
dc.contributor.otherLi, Jia
dc.contributor.otherKaur, Amanpreet
dc.date.accessioned2026-06-12T18:24:28Z
dc.date.available2026-06-12T18:24:28Z
dc.date.issued2025-01-01
dc.description.abstractHydrogen detection is essential for fuel-cell safety, hydrogen storage, and leak prevention. Ionic-liquid electrochemical sensors generate ultra-low currents (pA--nA), requiring highly sensitive acquisition. This thesis work developed a precision analog front end featuring a potentiostat for stable electrode bias and a transimpedance amplifier with selectable feedback up to 1GOhm for reliable current-to-voltage conversion. Input biasing and low-pass filtering improve stability and noise suppression. Although designed for IL-based H2 sensors, the system is adaptable to other platforms requiring pico- to nano-amp current measurement.
dc.identifier.urihttps://hdl.handle.net/10323/22097
dc.relation.departmentElectrical and Computer Engineering
dc.subjectEmbedded System
dc.subjectHydrogen Detection
dc.subjectIonic Liquid Sensors
dc.subjectTransimpedance Amplifier
dc.titleInterface and processing circuit design for ionic liquid hydrogen sensors

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