Energy harvesters are preferred for enhancing the life of IoT nodes. In this paper, a vibration
energy harvester with wideband auto-tunable resonant frequency for increased output is …

One of the most important challenges in the design of the piezoelectric energy harvester is
its narrow bandwidth. Most of the input vibration sources are exposed to frequency variation …

Piezoelectric energy harvesters tend to convert energy from ambient vibration to electricity,
which can gain a higher output voltage at resonance region. How to obtain a larger working …

Vibration energy harvesters typically have a narrow bandwidth, which allows them to
generate high amounts of power, but only at a specific frequency. This paper presents a …

Abstract Piezoelectric Energy Harvester (PEH) is a promising technology for harvesting
energy from low frequency ambient vibrations. To generate the power from these low …

One of the biggest challenges associated with vibration energy harvesters is their limited
bandwidth, which reduces their effectiveness when utilized for Internet of Things …

Widening the bandwidth and tunability are two of the major challenges associated with
vibrational energy harvesting devices. This paper demonstrates a novel method involving …

Linear vibrational energy harvesting devices typically have narrow bandwidths, which limits
their practical use, because the resonant frequency needs to match the frequency of the …

Replacing the solid tip mass of a piezoelectric cantilever beam with a liquid-filled mass can
increase its frequency bandwidth due to the effect of nonlinear liquid sloshing. To investigate …

Vibration energy harvesting has evoked great interests for a wide variety of self-powered
microsystems. Vibration energy harvesters typically have a narrow bandwidth, which causes …