DataVXAdvanced Materials TechnologiesPaper
journal article·2022-07

Hybrid Nanogenerator for Biomechanical Energy Harvesting, Motion State Detection, and Pulse Sensing

Minxing Du, Yu Cao, Xuecheng Qu, Jiangtao Xue, Weiyi Zhang, Xiong Pu, Bojing Shi, Zhou Li

Advanced Materials Technologies· Volume 7· Issue 7
Publisher page
Source abstract

Abstract

Abstract Harvesting biomechanical energy to power wearable electronic devices shows great potential in the field of the Internet of Things. An insole hybrid nanogenerator (IHN) has been designed based on a combination of multilayered triboelectric nanogenerator and arched piezoelectric nanogenerator. The IHN not only can convert the mechanical energy of the footsteps into electricity, but also distinguishes three kinds of motion states: walking, stepping, and jumping. A maximum open‐circuit voltage of 150 V and a short‐circuit current of 4.5 µA are achieved from human body motions. After walking for 8 min, the IHN can charge a 100 μF capacitor to 2.5 V. Then, a self‐powered dorsalis pedis artery monitoring system is designed, which can detect the pulse signals of the dorsalis pedis artery in real‐time. The integrated design of energy collection, storage, and utilization has important application potential in future self‐powered monitoring of patients and intelligent analysis of blood supply to the lower limbs in a professional athlete.
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Research context

Nanomaterials

OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Conducting polymers and applications · Innovative Energy Harvesting Technologies

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

Affiliations

School of Resources, Environment and Materials Center on Nanoenergy Research Guangxi University Nanning 530004 China

School of Physical Science and Technology Center on Nanoenergy Research Guangxi University Nanning 530004 China

CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro‐Nano Energy and Sensor Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of Sciences Beijing 101400 China

Beijing Advanced Innovation Centre for Biomedical Engineering Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education School of Biological Science and Medical Engineering Beihang University Beijing 100191 China

Funding

National Natural Science Foundation of China · Natural Science Foundation of Beijing Municipality · Fundamental Research Funds for the Central Universities

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