Sensors and micro-instruments that can be used for measurements on-site are required primarily due to applications regarding the Internet of Things (IoT), or Industry 4.0, and to a lesser extend for the need to “bring part of the lab to the sample” (e.g., for analytical or chemical measurements in the field). Ideally, for field sensors and instruments they must be operated from energy harvested from the ambient (instead of using a battery). One example is by employing Tribo Electric Nano Generators (TENGs). In my lab, we have been working on TENGS for a number of years, continued work and further developments TENGS will be described here.
A fieldable sensor or system can be defined as a portable one that can be used in the field. Current needs for fieldable system development are driven by demands imposed from the Internet of Things (IoT), from Industry 4.0, and to a lesser degree from the requirement of “bringing part of the lab to the sample” (e.g., for measurements in the field). To operate in the field, fieldable sensors or systems must be operated from a battery. It would be ideal if field-operation did not require a battery, instead energy was harvested from the ambient environment, using for instance Tribo Electric Nano Generators (TENGs), as will be described here.
Operation on-site for Internet of Things (IoT) applications and (to a lesser extend) driven by the needs of Industry 4.0 and the requirement for “bringing part of the lab to the sample” (for on-site chemical analysis applications), are the main driving forces behind development of fieldable micro- or nano-sensors, and of micro- or nano-instruments. Such approaches typically require battery-operation (thus requiring regular battery-replacement). Would it not be ideal if field-operated systems were powered from nanoenergy harvested from ambient sources or even if they were self-powered (i.e., without needing an external power supply)? In this paper, two approaches are explored: One approach involves use of Tribo Electric Nanogenerators (TENGs) and the other a self-powered detector.
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