Piezoelectric materials are widely referred to as “smart” materials because they can
transduce mechanical pressure acting on them to electrical signals and vice versa. They are …

The rapid growth of the electronics industry and proliferation of electronic materials and
telecommunications technologies has led to the release of a massive amount of untreated …

Self-powered devices and micro-sensors are in high demand for intelligent electronics and
flexible wearables for applications in medical healthcare and human–computer interactive …

The global energy crisis and environmental pollutions caused mainly by the increased
consumption of nonrenewable energy sources prompted researchers to explore alternative …

With the arrival of the Internet of Things (IoTs) era, there is a growing requirement for
systems with many sensor nodes in a variety of fields of applications. The demands for …

The piezoelectric effect has been widely observed in biological systems, and its applications
in biomedical field are emerging. Recent advances of wearable and implantable biomedical …

The last decade has witnessed significant advances in energy harvesting technologies as a
possible alternative to provide a continuous power supply for small, low-power devices in …

Bioelectricity provides electrostimulation to regulate cell/tissue behaviors and functions. In
the human body, bioelectricity can be generated in electromechanically responsive tissues …

Sensor networks are essential for the development of the Internet of Things and the smart
city. A general sensor, especially a mobile sensor, has to be driven by a power unit. When …

Piezoelectric materials and devices have drawn extensive attention for energy harvesting
due to their excellent electromechanical conversion properties. With increasing concerns …