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学者姓名:王伟
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Abstract :
Developing the integration of self-powered detection with both dynamic and static forces is a significant challenge in promoting intelligent technology systems. Herein, we introduce an innovative microbial biofilm basedhydrovoltaic pressure sensor (mBio-HPS) using whole-cell Geobacter sulfurreducens, which successfully combines self-powered functionality and static pressure detection within a single device. The mBio-HPS exhibited a sensitivity of up to 8968.7 kPa-1 (at 1 kPa) in the 0.4-25 kPa regime without external power supply. Moreover, the mBio-HPS demonstrated the fastest reported response speed to date, with a remarkable response time of 112.5 mu s, enabling effective detection of both dynamic and static forces while maintaining stability during an extensive 30,000 s testing. Experimental validation using a sensor-integrated array showed its outstanding realtime detection capabilities for both dynamic and static pressure, highlighting its outstanding potential for electronic skin applications. This unprecedented concept of a hydrovoltaic pressure sensor also offers new insights into the development of high-performance self-powered electronics.
Keyword :
Flexible electronics Flexible electronics Hydrovoltaic Hydrovoltaic Microbial biofilm Microbial biofilm Self-powered pressure sensor Self-powered pressure sensor
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| GB/T 7714 | Hu, Qichang , Hong, Minhui , Wang, Zhao et al. Microbial biofilm-based hydrovoltaic pressure sensor with ultrahigh sensitivity for self-powered flexible electronics [J]. | BIOSENSORS & BIOELECTRONICS , 2025 , 275 . |
| MLA | Hu, Qichang et al. "Microbial biofilm-based hydrovoltaic pressure sensor with ultrahigh sensitivity for self-powered flexible electronics" . | BIOSENSORS & BIOELECTRONICS 275 (2025) . |
| APA | Hu, Qichang , Hong, Minhui , Wang, Zhao , Lin, Xiuyu , Wang, Wei , Zheng, Wei et al. Microbial biofilm-based hydrovoltaic pressure sensor with ultrahigh sensitivity for self-powered flexible electronics . | BIOSENSORS & BIOELECTRONICS , 2025 , 275 . |
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Although flexible, stretchable, and conductive core-sheath structured smart fibers have propelled to the forefront research in wearable strain sensors and self-powered electronics, challenges related to scalability, complexity, and mechanical durability remain. In this study, we propose a strategy for the scalable production of conductive coaxial fiber (CCF) with superior durability through one-step direct wet spinning coherent solutions. By introducing the polystyrene-block-polyisoprene-block-polystyrene phase in both inner and outer layers, CCFs feature an interleaved topology and share a similar modulus, successfully resolving the issue of layer separation over time. They can endure up to 15,0 0 0 cycles with no damage at a strain of 100%. In addition, the topological entanglement CCF as a strain sensor exhibits a broad operational range of up to 398.3% strain, outstanding sensitivity (i.e., gauge factor = 6713 at 398.3% strain) and swift response time (248 ms). Enhanced by machine learning, the system achieves a high accuracy rate of 95% in gait recognition and 100% in American Sign Language identification. Furthermore, the CCF can function as a wearable triboelectric nanogenerator (TENG) for self-powered sensing and mechanical energy harvesting. This study represents a significant step toward the development of multifunctional micro-wearable electronic devices, which hold immense promise for medical sensing and energy harvesting in smart wearable electronics, human-computer interaction, and artificial intelligence. (c) 2025 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
Keyword :
Conductive coaxial fiber Conductive coaxial fiber Self-powered sensor Self-powered sensor Strain sensor Strain sensor Topological-entanglement Topological-entanglement Triboelectric nanogenerator Triboelectric nanogenerator
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| GB/T 7714 | Wang, Yulong , Liu, Xia , Li, Chengyu et al. Scalable topological-entanglement conductive coaxial fibers with superior durability for wearable strain sensing and triboelectric fabric [J]. | JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY , 2025 , 233 : 154-165 . |
| MLA | Wang, Yulong et al. "Scalable topological-entanglement conductive coaxial fibers with superior durability for wearable strain sensing and triboelectric fabric" . | JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 233 (2025) : 154-165 . |
| APA | Wang, Yulong , Liu, Xia , Li, Chengyu , Wang, Wei , Guo, Di , Jia, Mengmeng et al. Scalable topological-entanglement conductive coaxial fibers with superior durability for wearable strain sensing and triboelectric fabric . | JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY , 2025 , 233 , 154-165 . |
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Hydrovoltaic electricity generation, being demonstrated through various forms of water movement, holds great promise for advancing green energy technologies. However, the natural transpiration of plant leaves, as the largest water flux on land accumulating immense latent energy, has rarely been directly harvested. Here we present a living leaf transpiration generator using a lotus leaf, enabling direct harvest of latent energy via leaf transpiration. The leaf transpiration generator demonstrated sustained all-day electricity generation, featuring an open-circuit voltage of 0.25 V and a short-circuit current of 50 nA, which was effectively amplified in series or parallel connections. Partial least squares path modelling analysis indicated that improved electricity generation was attributed to enhanced transpiration rate, stomatal conductivity and temperature, while increased relative humidity had a counteractive effect. This study not only uncovers the unprecedented hydrovoltaic effect of leaf transpiration but also provides a fresh perspective for advancing green energy technologies through the widespread phenomenon of leaf transpiration.
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| GB/T 7714 | Hu, Qichang , Lin, Xiuyu , Ren, Guoping et al. Hydrovoltaic electricity generation induced by living leaf transpiration [J]. | NATURE WATER , 2024 , 2 (10) . |
| MLA | Hu, Qichang et al. "Hydrovoltaic electricity generation induced by living leaf transpiration" . | NATURE WATER 2 . 10 (2024) . |
| APA | Hu, Qichang , Lin, Xiuyu , Ren, Guoping , Lu, Jian , Wang, Wei , Zhang, Dong et al. Hydrovoltaic electricity generation induced by living leaf transpiration . | NATURE WATER , 2024 , 2 (10) . |
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Keyword :
嵌入式系统 嵌入式系统 技术应用 技术应用 移动通信系统 移动通信系统
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| GB/T 7714 | 林巧彬 , 王伟 . 浅析嵌入式系统在移动通信系统中的应用 [J]. | 电脑迷 , 2016 , (12) : 70 . |
| MLA | 林巧彬 et al. "浅析嵌入式系统在移动通信系统中的应用" . | 电脑迷 12 (2016) : 70 . |
| APA | 林巧彬 , 王伟 . 浅析嵌入式系统在移动通信系统中的应用 . | 电脑迷 , 2016 , (12) , 70 . |
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