Scalable Chemically Sensitive Field-Effect Transistors for Trace Hydrogen Sensing in Energy Systems

There is a rapidly growing demand for reliable, low-cost trace gas sensors, particularly for hydrogen, in energy and critical infrastructure applications. These systems require ppb-to-ppm sensitivity, high intrinsic selectivity, and ultra-low power operation - requirements that are not simultaneously met by today’s commercial gas-sensing technologies due to fundamental limitations in materials, device architectures, and manufacturability.

This presentation outlines how Serinus Labs addresses this technology gap using its scalable chemically sensitive field-effect transistor platform. It details how a manufacturing-first design approach shaped the sensor architecture from device physics through system implementation, enabling high sensitivity, intrinsic selectivity, and compatibility with CMOS-scale manufacturing. Key architectural features that overcome limitations of existing gas sensor technologies are discussed.

The seminar concludes by highlighting two high-impact application areas enabled by this approach: early-warning detection for thermal runaway mitigation in electric-vehicle lithium-ion battery packs, and subsurface geologic hydrogen energy exploration through trace gas sensing. Associated technical, regulatory, and market drivers are briefly examined to illustrate the broader impact of scalable trace hydrogen sensing.

Speaker: Hossain Fahad, Serinus Labs

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