Work

Wearable self-sustaining triboelectric sensor for basketball posture detection and training feedback

Year: 2025

Type: article

Abstract: The advancement of functional hydrogels and the growing use of intelligent wearable sensors in sports have attracted increasing research interest. Here, a high-performance triboelectric nanogenerator (alginate/PSS/CMC-Na-based triboelectric nanogenerator, APC-TENG) is developed by integrating a Zn2+-cross-linked alginate/PSS/CMC-Na hydrogel with PDMS/SiO2 composite films. The hydrogel provides ionic conductivity and mechanical resilience, while the composite films enhance charge trapping and environmental stability. Benefiting from this structure, the APC-TENG delivers an open-circuit voltage (VOC) of 164 V, a short-circuit current (ISC) of 32 μA, a transferred charge (QSC) of 136 nC at 2 Hz, and a maximum power of 3.3 mW at 3 MΩ. The device maintains stable performance over 7500 cycles and under varying humidity conditions. Beyond stability, it is integrated into wearable and sports platforms for self-powered monitoring of human activities, including walking, running, and joint bending, as well as basketball-specific motions such as pressing, dribbling, and shooting. These results demonstrate the potential of APC-TENG as a reliable energy harvester and intelligent motion sensor for wearable electronics, sports training, and human–machine interaction.

Source: APL Materials

DOI: 10.1063/5.0303341

Author: Xiaomin Huo

Institutions: Guangzhou University, Capital University of Physical Education and Sports

Language: English

Topic: Advanced Sensor and Energy Harvesting Materials

Subfield: Biomedical Engineering

Field: Engineering

Domain: Physical Sciences

SDGs: Affordable and clean energy, Industry, innovation and infrastructure

Open Access status: gold

Estimated APC paid: $2,200