Review—Recent Progress in the Design of Chemical Hydrogen Sensors

The potential of hydrogen gas as a clean and renewable energy source has attracted considerable interest as a fuel for new energy vehicles. In order to guarantee the security and efficiency of these vehicles, the development of chemical hydrogen sensors has become essential. This paper offers a synopsis of the architecture of smart hydrogen detectors. It delves into the fundamentals, technical characteristics, and practical uses of these sensors. This review delves into a variety of hydrogen sensors, such as resistive sensors, electrochemical sensors, field-effect transistor (FET) sensors, and other sensors. This review provides researchers in the field of chemical sensor design with useful information about the current and future potential of hydrogen sensors.