Abstract
With the development of remote monitoring technology and highly integrated circuit technology, the achievement and usage of self-powered wireless low-power electronic components has become a hot research topic nowadays. Harvesting vibration energy from the environment can meet the power consumption requirements of these devices, while it is also of great significance to fully utilize the hidden energy in the environment. The mechanism and three typical working modes of piezoelectric vibration energy harvesting technology are introduced, along with the classification of different excitation types of collectors. The progress of research related to piezoelectric vibration energy harvesting technology is reviewed. Finally, challenging problems in the study of piezoelectric energy harvesting technology are summarized, and the future research and development trend of piezoelectric vibration energy harvesting technology is discussed in the light of the current research status of piezoelectric vibration energy harvesting technology.
Highlights
This review aims to collect and compile three typical operating modes related to piezoelectric energy harvesting and to classify piezoelectric vibration energy harvesting according to different external excitation types so as to determine the benefits and effects of different excitation types and different working modes on piezoelectric energy harvesting
The analysis of piezoelectric vibration energy harvesting systems with different operating modes and different excitation types facilitates the development of an energy harvester that combines the two
This article introduces the mechanism and operation mode of Piezoelectric vibration energy harvesting (PVEH) technology, different excitation types of harvesters, research progress related to piezoelectric vibration energy, and the development prospect of piezoelectric vibration energy technology
Summary
Low-power wireless remote monitoring sensors have been widely used with the development of chip technology and highly integrated circuit technology in recent years. These small sensors play an important role in the Internet of Things. Micro-energy harvesting is a collection of available energy in the environment, such as wind energy, solar energy, thermal energy, tidal energy, mechanical vibration energy, and even energy in living organisms These clean energy sources are used to power a variety of low-power, miniaturized sensor nodes. Self-powering of small electronic devices can be achieved by obtaining micro-energy from the environment. These micro-systems usually operate at intervals, so power consumption requirements can be further met with the help of energy storage and management systems such as supercapacitors to power the sensor nodes
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