Energy, Environmental, and Catalysis Applications
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Shijing Yang
Institute for Clean Energy and Advanced Materials, School of Materials and Energy, Southwest University, Chongqing 400715, PR China
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- Gaobo Xu
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Institute for Clean Energy and Advanced Materials, School of Materials and Energy, Southwest University, Chongqing 400715, PR China
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- Wenfei Mao
Wenfei Mao
Institute for Clean Energy and Advanced Materials, School of Materials and Energy, Southwest University, Chongqing 400715, PR China
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- Haiqin Ma
Haiqin Ma
Institute for Clean Energy and Advanced Materials, School of Materials and Energy, Southwest University, Chongqing 400715, PR China
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- Tao Zhong
Tao Zhong
Institute for Clean Energy and Advanced Materials, School of Materials and Energy, Southwest University, Chongqing 400715, PR China
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Ping Liu
Institute for Clean Energy and Advanced Materials, School of Materials and Energy, Southwest University, Chongqing 400715, PR China
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- Jun Dong
Jun Dong
Institute for Clean Energy and Advanced Materials, School of Materials and Energy, Southwest University, Chongqing 400715, PR China
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- Cunyun Xu
Cunyun Xu
Institute for Clean Energy and Advanced Materials, School of Materials and Energy, Southwest University, Chongqing 400715, PR China
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Xiaofeng He
Institute for Clean Energy and Advanced Materials, School of Materials and Energy, Southwest University, Chongqing 400715, PR China
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- Zezhuan Jiang
Zezhuan Jiang
Institute for Clean Energy and Advanced Materials, School of Materials and Energy, Southwest University, Chongqing 400715, PR China
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- Xiude Yang
Xiude Yang
School of Physics and Electronics, Zunyi Normal University, Zunyi 563002, PR China
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- Yanli Gong*
Yanli Gong
College of Electronic Engineering (College of Meteorological Observation), Chengdu University of Information Technology, Chengdu 610225, PR China
*Email: [emailprotected]
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- Qunliang Song*
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Institute for Clean Energy and Advanced Materials, School of Materials and Energy, Southwest University, Chongqing 400715, PR China
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ACS Applied Materials & Interfaces
Cite this: ACS Appl. Mater. Interfaces 2025, XXXX, XXX, XXX-XXX
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https://pubs.acs.org/doi/10.1021/acsami.5c04098
Published April 17, 2025
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Abstract
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Contact electrification (CE) and electrostatic induction (EI) are believed to be the core processes in classic liquid–solid triboelectric nanogenerators (L-S TENGs), including the classical transistor-like droplet-based electricity generator (DEG) and other forms of DEGs. Recently reported total current DEGs made full use of CE, EI, and charge transfer (CT) effects and realized the coupling of displacement and conducting currents. However, this method has only been revealed in special structures, which have limitations depending on the falling location of droplets. Here, we construct a press-release total current DEG (PRTC-DEG) using a single droplet of water to visually verify the universality of CT and the contribution of conducting current in the total current DEG. By simply squeezing and then releasing this PRTC-DEG, charges are squirted out to realize the separation of charges in space and time. The working mechanism of PRTC-DEG and the coupling between displacement current and conducting current are also demonstrated. In addition, the structural design proposed in this study alleviates the dependence of output on the falling location of droplets in DEG and provides a new working mode for DEG, which makes DEG expand to more scenarios.
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© 2025 American Chemical Society
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ACS Applied Materials & Interfaces
Cite this: ACS Appl. Mater. Interfaces 2025, XXXX, XXX, XXX-XXX
Click to copy citationCitation copied!
Published April 17, 2025
Publication History
Received
Accepted
Revised
Published
online
© 2025 American Chemical Society
Request reuse permissions
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