journal article·2025-10-20

Single‐Walled Carbon Nanohorns Functionalization of PVA / PDMS for Flexible Triboelectric Nanogenerators: IoT Remote Gait Sensor

Jie Xu, Antonio Vázquez‐López, José Sánchez del Río Sáez, Jimena de la Vega, Ignacio Collado, Silvia G. Prolongo, Romano Giannetti, Jianjun Wu, De‐Yi Wang

Polymer Composites· Volume 46· Issue 15
Publisher page

Abstract

ABSTRACT Composite nanomaterials comprise emerging materials for triboelectric nanogenerators (TENGs), as they provide higher voltage output than pristine polymer‐based systems. Currently, efforts are aimed at improving the charge transfer between the tribolayers, which could be obtained by nanomaterial doping. Herein, the effect of synthesized single‐walled carbon nanohorns (SWCNHs), an alternative to conventional carbon nanotubes (CNTs), on two different materials, polyvinyl alcohol (PVA) and polydimethylsiloxane (PDMS) is studied. In both cases, the addition of SWCNHs increases the dielectric constant of the layers. The TENG with the modified PDMS (mPDMS) showed the maximum voltage output, almost duplicating the one obtained with the pristine sample. Furthermore, a possible Internet of Things (IoT) application has been demonstrated, with the use of wireless technology and Lo‐Ra communications as a gait sensor to provide evolution and information regarding the health condition and the footprint of a patient.
Source: crossref · Quality: baseline

Research context

OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Conducting polymers and applications · Tactile and Sensory Interactions

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

Affiliations

IMDEA Materials Institute Madrid Getafe Spain

School of Chemical Engineering and Technology China University of Mining and Technology Xuzhou China

Materials Science and Engineering Area, Escuela Superior de Ciencias Experimentales y Tecnología Universidad Rey Juan Carlos Madrid Móstoles Spain

Applied Physics, Automated, Electronics and Electrical Engineering Department, Industrial and Design Engineering Technical School (ETSIDI) Madrid Politechnique University/Universidad Politécnica de Madrid Madrid Spain

ICAI School of Engineering, Pontifical Comillas University Madrid Spain

Instituto de Investigación de Tecnologías Para La Sostenibilidad Universidad Rey Juan Carlos Madrid Spain

Institute for Research in Technology, ICAI School of Engineering Pontifical Comillas University Madrid Spain

Escuela Politécnica Superior, Universidad Francisco de Vitoria, Ctra. Pozuelo‐Majadahonda Madrid Spain

Funding

China Scholarship Council

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