Performance‐enhanced eco‐friendly triboelectric nanogenerator via wettability manipulation of lignin
Source abstract
Abstract
Abstract Eco‐friendly and sustainable energy harvests that can alleviate concerns on the energy crisis and environmental pollution are in demand. Exploiting nature‐derived biomaterials is imperative to develop these carbon‐neutral energy harvesters. In this study, lignin/polycaprolactone nanofiber (NF)‐based triboelectric nanogenerators (TENGs) are fabricated using an electrospinning technique. Nanotextured morphology of electrospun lignin/polycaprolactone NFs and wettability modification of lignin into hydrophilicity can significantly enhance electron transfer between tribopositive and tribonegative materials, resulting in the highest energy‐harvesting efficiency in their class. The output voltage of the lignin‐based TENG exceeds 95 V despite relatively low tapping force of 9 N and frequency of 9 Hz. Various mechanical and physicochemical characterizations, including scanning electron microscopy, nuclear magnetic resonance spectroscopy, x‐ray diffraction analysis, Fourier transform infrared analysis, and atomic force microscopy, are performed, confirming the mechanical durability, biocompatibility, and industrial viability of lignin‐based TENG developed here. image
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Conducting polymers and applications · Supercapacitor Materials and Fabrication
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
SKKU Advanced Institute of Nanotechnology (SAINT) Sungkyunkwan University (SKKU) Suwon South Korea
Department of Nano Science and Technology Sungkyunkwan University (SKKU) Suwon South Korea
Department of Chemical and Biological Engineering Korea University Seoul South Korea
Clean Energy Research Center Korea Institute of Science and Technology (KIST) Seoul South Korea
Division of Energy and Environment Technology, KIST School University of Science and Technology Seoul South Korea
School of Pharmacy Sungkyunkwan University (SKKU) Suwon South Korea
KIST‐SKKU Carbon‐Neutral Research Center Sungkyunkwan University (SKKU) Suwon South Korea
School of Chemical Engineering Sungkyunkwan University (SKKU) Suwon South Korea
Department of Nano Engineering Sungkyunkwan University (SKKU) Suwon South Korea
Department of Semiconductor Convergence Engineering Sungkyunkwan University (SKKU) Suwon South Korea
Funding
National Research Foundation of Korea · Ministry of Science and ICT, South Korea · Korea Institute for Advancement of Technology · Ministry of Trade, Industry and Energy
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