journal article·2026-04

Multi‐Domain Energy Harvesting with Mode‐Dependent Magneto‐Mechano‐Electric Coupling

Liwei Dong, Chaoyang Zhao, Shuai Qu, Xin Li, Jiashun Li, Guobiao Hu, Chengjia Han, Yu Zhang, Ping Wang, Fan Yang, Zhong Lin Wang, Yaowen Yang

Advanced Energy Materials· Volume 16· Issue 13
Publisher page

Abstract

ABSTRACT Magnetic field energy harvesting based on the magneto‐mechano‐electric (MME) principle offers a promising approach for realizing self‐powered Internet of Things systems. However, the magnetic fields in daily environments are stray and weak (<0.1 mT), greatly limiting the output power and practicality of conventional MME harvesters. Given the frequent coexistence of distinct‐frequency magnetic field and vibration excitations in real‐world scenarios, there is an urgent need for a compact and designable dual‐mode harvester to unlock performance limits. Here, we present a mode‐split MME harvester that leverages the first symmetric and second antisymmetric bending modes to most efficiently capture vibration and magnetic field, respectively. Mode‐dependent internal couplings are integrated, where dual magnetic coupling enhances the magnetic field harvesting power density by 292%, and multi‐stage internal resonance provides a 19‐fold gain for vibration harvesting. The integration of the synchronous electric charge extraction technique further boosts the actual charging power by 493%, achieving a system‐level charging power density of 36.59 mW/cm 3 /mT 2 . Finally, a wireless self‐powered sensing system is developed and deployed in a representative trackside dual‐excitation scenario. Dual‐mode synergy shortens the cold start time by 56% and sensing interval by 50%. This work demonstrates a promising solution for efficient multisource energy harvesting in practical field deployments.
Source: crossref · Quality: baseline

Research context

OpenAlex topics: Innovative Energy Harvesting Technologies · Multiferroics and related materials · Energy Harvesting in Wireless Networks

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Civil and Environmental Engineering Nanyang Technological University Singapore Singapore

College of Transportation Tongji University Shanghai China

Guanzhou Institute of Technology Xidian University Guangzhou Guangdong China

Internet of Things Thrust The Hong Kong University of Science and Technology (Guangzhou), Nansha Guangzhou Guangdong China

Department of Civil Engineering Zhejiang University Hangzhou China

School of Civil Engineering Southwest Jiaotong University Chengdu China

Department of OrthopaedicsShanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases Shanghai Institute of Traumatology and Orthopaedics Ruijin Hospital, Shanghai Jiao Tong University School of Medicine Shanghai China

Shanghai Key Laboratory of Gene Editing and Cell‐based Immunotherapy For Hematological Diseases Ruijin Hospital Shanghai Jiao Tong University School of Medicine Shanghai China

Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of Sciences Beijing China

Funding

Innovative Research Team of High-level Local University in Shanghai · Shanghai Municipal Health Commission · Fundamental Research Funds for the Central Universities · National Natural Science Foundation of China · Nanyang Technological University · Basic and Applied Basic Research Foundation of Guangdong Province

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