Fig. 6: The advantages of H2 sensors based on Pd-M alloy. | Microsystems & Nanoengineering

Fig. 6: The advantages of H2 sensors based on Pd-M alloy.

From: A comprehensive review of hydrogen sensor for thermal runaway monitoring: fundamentals, recent advancements, and challenges

Fig. 6: The advantages of H2 sensors based on Pd-M alloy.

Calculated H2 adsorption isotherms for a pure Pd and b Pd85Ta15 alloy at four different temperatures; c calculated H2 absorption isotherms for the Pd-Ta alloys at 30 °C105. Copyright 2021, Elsevier. d Schematic diagram of prepared PdSn alloy NTs; Normalized response versus H2 concentrations for PdSn alloy NTS, PdSn NFs, Pd NFs, and Sn NFs at H2 concentrations of e 0.5–200 ppm and f 500–30,000 ppm111. Copyright 2022, American Chemical Society. g repeatability test for 1% H2 of PdNi alloy film annealed at 250 °C113. Copyright 2020, Elsevier. h Repeatability test for 1% H2 of PdNi alloy film prepared under 5 Pa and I the variations in ΔR values of three PdNi alloy samples deposited under different pressures114. Copyright 2024, Elsevier. j Long-term repeatability curves of the nonalloyed Pd and Pd0.62Au0.38 sensors at 5% H2 atmosphere and k schematic of the mechanism of resistance change when H2 penetration occurs in Pd and PdAu115. Copyright 2024, American Chemical Society

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