Piezoelectric Energy Generation and Harvesting at the Nano-Scale: Materials and Devices

Piezoelectric nanogenerators—Harvesting ambient mechanical energy at the nanometer scale

Topology Optimization of the Thickness Profile of Bimorph Piezoelectric Energy Harvesting Devices

Due to developments in additive manufacturing, the production of piezoelectric materials with complex geometries is becoming viable and enabling the manufacturing of thicker harvesters. Therefore, in this study a piezoelectric harvesting device is modelled as a bimorph cantilever beam with a series connection and an intermediate metallic substrate using the plain strain hypothesis. On the other...

Recent Advances In Piezoelectric Nano generators In Energy Harvesting Applications

Recently, the nanogenerators which can convert the mechanical energy into electricity by using piezoelectric materials have exhibited great potential in microscale power supply and sensor systems. In this paper, i provide a comprehensive review of the research progress in piezoelectric nanogenerators with different material. The fundamental piezoelectric theory and typical piezoelectric materia...

Investigation of the Size Effect on the Nano-beam Type Piezoelectric Low Power Energy Harvesting

In this paper, size dependent beam type peizoelectric energy hardvester is investigated. For this goal, first nonlinear formulation of isotropic piezoelectric Euler-Bernoulli nano-beam is developed based on the size-dependent piezoelectricity theory then special beam type piezoelectric energy hardvester is probed for different parameters. Basic nonlinear equations of piezoelectric nano-beam are...

Piezoelectric Generator Harvesting Bike Vibrations Energy to Supply Portable Devices

With the decrease in energy consumption of portable electronic devices, the concept of harvesting renewable energy in human surrounding arouses a renewed interest. In this context, we have developed a piezoelectric generator that harvests mechanical vibrations energy available on a bicycle. Embarked piezoelectric transducer, which is an electromechanical converter, undergoes mechanical vibratio...