Jianglei Chang
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View article: A flexible, magnet-based miniaturized mechanical antenna enabling low-frequency cross-medium communication between unmanned systems
A flexible, magnet-based miniaturized mechanical antenna enabling low-frequency cross-medium communication between unmanned systems Open
Extremely low frequency (ELF, 3-30 Hz) signals possess strong cross-medium communication capabilities, making them particularly well-suited for underground and underwater environments. However, traditional low-frequency (LF) transmission s…
View article: A Self‐Powered Double U‐Finger MME Resonator Capable of Wirelessly Capturing Abnormal Message in Smart Grid Networks
A Self‐Powered Double U‐Finger MME Resonator Capable of Wirelessly Capturing Abnormal Message in Smart Grid Networks Open
The magneto‐mechano‐electric (MME) coupling principle plays an important role in synchronously harvesting magnetic energy and monitoring safe operation in the distribution grid and the Power Internet of Things (PIoT). In this study, an MME…
View article: A Flexible, Magnet-Based Miniaturized Low-Frequency Mechanical Antenna Enabling Cross-medium Communication and Collaboration among Unmanned Systems
A Flexible, Magnet-Based Miniaturized Low-Frequency Mechanical Antenna Enabling Cross-medium Communication and Collaboration among Unmanned Systems Open
Extremely low frequency (ELF, 3–30 Hz) signals possess strong cross-medium communication capabilities, making them particularly well-suited for underground and underwater environments. However, traditional low-frequency (LF) transmission s…
View article: A Magnetoelectric Resonator Antenna for Super/Very Low Frequency, Dual‐Band Magnetic Transmission
A Magnetoelectric Resonator Antenna for Super/Very Low Frequency, Dual‐Band Magnetic Transmission Open
Super/very low frequency (SLF/VLF) electromagnetic (EM) waves can propagate efficiently in harsh environments; However, the development of low‐power, portable SLF/VLF antennas remains a significant challenge. Here, a magnetoelectric resona…
View article: An Omnidirectional, High Power Density Magneto–Mechano–Electric Energy Harvester Using PNN–PZT Piezoceramic Operating in Decoupling Bending Mode
An Omnidirectional, High Power Density Magneto–Mechano–Electric Energy Harvester Using PNN–PZT Piezoceramic Operating in Decoupling Bending Mode Open
Magneo‐mechano‐electric energy harvesters (MME‐EHs) capture stray magnetic and weak vibration energy from power lines and vehicles. However, efficiently harvesting microenergy from randomly oriented stray magnetic fields remains challengin…
View article: A Bionic Flapping Magnetic‐Dipole Resonator for ELF Cross‐Medium Communication
A Bionic Flapping Magnetic‐Dipole Resonator for ELF Cross‐Medium Communication Open
Extremely low‐frequency (ELF) electromagnetic (EM) waves adeptly propagate in harsh cross‐medium environments, overcoming rapid decay that hinders high‐frequency counterparts. Traditional antennas, however, encounter challenges concerning …
View article: A lead-free KNN-based, co-fired multilayered piezoceramic energy harvester with a high output current and power
A lead-free KNN-based, co-fired multilayered piezoceramic energy harvester with a high output current and power Open
To date, most of the reported piezoelectric energy harvesters (PEHs) use lead-based Pb(Zr,Ti)O3 (PZT) piezoceramic family, which is obviously harmful to the environment. In recent years, the PEHs constructed with lead-free piezoceramics ha…
View article: Ultrahigh piezoelectricity of PNN–PZT ceramics via constructing defect dipoles
Ultrahigh piezoelectricity of PNN–PZT ceramics via constructing defect dipoles Open
The ultrahigh piezoelectric coefficient (d33 ≥ 1000 pC/N) exhibited by piezoelectric Pb(Zr,Ti)O3 (PZT) ceramics not only captivates researchers but also holds considerable practical value across various applications. While significant prog…
View article: Enhanced piezoelectric properties and thermal stability of LiNbO3-modified PNN–PZT ceramics
Enhanced piezoelectric properties and thermal stability of LiNbO3-modified PNN–PZT ceramics Open
Piezoelectric PZT ceramics with high piezoelectric properties and good thermal stability are urgently desired concerning the practical application. New compositions of LiNbO3 modified Pb(Ni1/3Nb2/3)O3PbZrO3PbTiO3 ceramics have been prepare…
View article: A dragonfly-wing-like energy harvester with enhanced magneto-mechano-electric coupling
A dragonfly-wing-like energy harvester with enhanced magneto-mechano-electric coupling Open
Energy harvesting is crucial for sustainable micropower sources, but conventional energy harvesters have limited power-generation capabilities. To address this, we introduce a novel dragonfly-wing-like energy harvester with four wing-like …