Biodegradable and Implantable Triboelectric Nanogenerator Improved by β‐Lactoglobulin Fibrils‐Assisted Flexible PVA Porous Film
Abstract Triboelectric nanogenerators (TENGs) are highly promising as implantable, degradable energy sources and self‐powered sensors. However, the degradable triboelectric materials are often limited in terms of contact electrification and mechanical properties. Here, a bio‐macromolecule‐assisted t...
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| Format: | Article |
| Language: | English |
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Wiley
2025-06-01
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| Series: | Advanced Science |
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| Online Access: | https://doi.org/10.1002/advs.202409914 |
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| author | Yichang Quan Engui Wang Han Ouyang Lingling Xu Lu Jiang Lijing Teng Jiaxuan Li Lin Luo Xujie Wu Zhu Zeng Zhou Li Qiang Zheng |
| author_facet | Yichang Quan Engui Wang Han Ouyang Lingling Xu Lu Jiang Lijing Teng Jiaxuan Li Lin Luo Xujie Wu Zhu Zeng Zhou Li Qiang Zheng |
| author_sort | Yichang Quan |
| collection | DOAJ |
| description | Abstract Triboelectric nanogenerators (TENGs) are highly promising as implantable, degradable energy sources and self‐powered sensors. However, the degradable triboelectric materials are often limited in terms of contact electrification and mechanical properties. Here, a bio‐macromolecule‐assisted toughening strategy for PVA aerogel‐based triboelectric materials is proposed. By introducing β‐lactoglobulin fibrils (BF) into the PVA aerogel network, the material's mechanical properties while preserving its swelling resistance is significantly enhanced. Compared to pure PVA porous film, the BF‐PVA porous film exhibits an eightfold increase in fracture strength (from 1.92 to 15.48 J) and a fourfold increase in flexibility (from 10.956 to 39.36 MPa). Additionally, the electrical output of BF‐PVA in triboelectric performance tests increased nearly fivefold (from 45 to 203 V). Leveraging these enhanced properties, a biodegradable TENG (bi‐TENG) for implantable muscle activity sensing is developed, achieving real‐time monitoring of neuromuscular processes. This innovation holds significant potential for advancing implantable medical devices and promoting new applications in bio‐integrated electronics. |
| format | Article |
| id | doaj-art-860eb834654047bbb1068cb7dd9a9c33 |
| institution | OA Journals |
| issn | 2198-3844 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advanced Science |
| spelling | doaj-art-860eb834654047bbb1068cb7dd9a9c332025-08-20T02:22:06ZengWileyAdvanced Science2198-38442025-06-011224n/an/a10.1002/advs.202409914Biodegradable and Implantable Triboelectric Nanogenerator Improved by β‐Lactoglobulin Fibrils‐Assisted Flexible PVA Porous FilmYichang Quan0Engui Wang1Han Ouyang2Lingling Xu3Lu Jiang4Lijing Teng5Jiaxuan Li6Lin Luo7Xujie Wu8Zhu Zeng9Zhou Li10Qiang Zheng11Key Laboratory of Biology and Medical Engineering/Immune Cells and Antibody Engineering Research Center of Guizhou Province, School of Biology and Engineering Guizhou Medical University Guiyang 550025 P. R. ChinaBeijing Institute of Nanoenergy and Nanosystems Chinese Academy of Sciences Beijing 101400 P. R. ChinaBeijing Institute of Nanoenergy and Nanosystems Chinese Academy of Sciences Beijing 101400 P. R. ChinaBeijing Institute of Nanoenergy and Nanosystems Chinese Academy of Sciences Beijing 101400 P. R. ChinaKey Laboratory of Biology and Medical Engineering/Immune Cells and Antibody Engineering Research Center of Guizhou Province, School of Biology and Engineering Guizhou Medical University Guiyang 550025 P. R. ChinaKey Laboratory of Biology and Medical Engineering/Immune Cells and Antibody Engineering Research Center of Guizhou Province, School of Biology and Engineering Guizhou Medical University Guiyang 550025 P. R. ChinaBeijing Institute of Nanoenergy and Nanosystems Chinese Academy of Sciences Beijing 101400 P. R. ChinaSchool of Nanoscience and Engineering University of Chinese Academy of Sciences Beijing 100049 P. R. ChinaKey Laboratory of Biology and Medical Engineering/Immune Cells and Antibody Engineering Research Center of Guizhou Province, School of Biology and Engineering Guizhou Medical University Guiyang 550025 P. R. ChinaKey Laboratory of Biology and Medical Engineering/Immune Cells and Antibody Engineering Research Center of Guizhou Province, School of Biology and Engineering Guizhou Medical University Guiyang 550025 P. R. ChinaBeijing Institute of Nanoenergy and Nanosystems Chinese Academy of Sciences Beijing 101400 P. R. ChinaKey Laboratory of Biology and Medical Engineering/Immune Cells and Antibody Engineering Research Center of Guizhou Province, School of Biology and Engineering Guizhou Medical University Guiyang 550025 P. R. ChinaAbstract Triboelectric nanogenerators (TENGs) are highly promising as implantable, degradable energy sources and self‐powered sensors. However, the degradable triboelectric materials are often limited in terms of contact electrification and mechanical properties. Here, a bio‐macromolecule‐assisted toughening strategy for PVA aerogel‐based triboelectric materials is proposed. By introducing β‐lactoglobulin fibrils (BF) into the PVA aerogel network, the material's mechanical properties while preserving its swelling resistance is significantly enhanced. Compared to pure PVA porous film, the BF‐PVA porous film exhibits an eightfold increase in fracture strength (from 1.92 to 15.48 J) and a fourfold increase in flexibility (from 10.956 to 39.36 MPa). Additionally, the electrical output of BF‐PVA in triboelectric performance tests increased nearly fivefold (from 45 to 203 V). Leveraging these enhanced properties, a biodegradable TENG (bi‐TENG) for implantable muscle activity sensing is developed, achieving real‐time monitoring of neuromuscular processes. This innovation holds significant potential for advancing implantable medical devices and promoting new applications in bio‐integrated electronics.https://doi.org/10.1002/advs.202409914biodegradabilityphysical cross‐linkingPVA aerogeltriboelectric nanogeneratorβ‐lactoglobulin fibrils |
| spellingShingle | Yichang Quan Engui Wang Han Ouyang Lingling Xu Lu Jiang Lijing Teng Jiaxuan Li Lin Luo Xujie Wu Zhu Zeng Zhou Li Qiang Zheng Biodegradable and Implantable Triboelectric Nanogenerator Improved by β‐Lactoglobulin Fibrils‐Assisted Flexible PVA Porous Film Advanced Science biodegradability physical cross‐linking PVA aerogel triboelectric nanogenerator β‐lactoglobulin fibrils |
| title | Biodegradable and Implantable Triboelectric Nanogenerator Improved by β‐Lactoglobulin Fibrils‐Assisted Flexible PVA Porous Film |
| title_full | Biodegradable and Implantable Triboelectric Nanogenerator Improved by β‐Lactoglobulin Fibrils‐Assisted Flexible PVA Porous Film |
| title_fullStr | Biodegradable and Implantable Triboelectric Nanogenerator Improved by β‐Lactoglobulin Fibrils‐Assisted Flexible PVA Porous Film |
| title_full_unstemmed | Biodegradable and Implantable Triboelectric Nanogenerator Improved by β‐Lactoglobulin Fibrils‐Assisted Flexible PVA Porous Film |
| title_short | Biodegradable and Implantable Triboelectric Nanogenerator Improved by β‐Lactoglobulin Fibrils‐Assisted Flexible PVA Porous Film |
| title_sort | biodegradable and implantable triboelectric nanogenerator improved by β lactoglobulin fibrils assisted flexible pva porous film |
| topic | biodegradability physical cross‐linking PVA aerogel triboelectric nanogenerator β‐lactoglobulin fibrils |
| url | https://doi.org/10.1002/advs.202409914 |
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