Tiny water droplet with huge power

Shang, Luoran; Zhao, Yuanjin

doi:10.1016/j.scib.2020.02.024

Cited by 8 publications

(6 citation statements)

References 10 publications

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“…Water on the surface of the Earth evaporates when exposed to the heat of the sun. 39,122 When this water vapor meets cold air at high altitudes, it condenses into small droplets and falls to the ground as rain. Rainfall is influenced by climate, geography, and the time of day, making it an unpredictable source of energy.…”

Section: Droplet-related Weg Designsmentioning

confidence: 99%

New paradigms of water‐enabled electrical energy generation

Li,

Yang,

Zhang

et al. 2024

SusMat

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Nanotechnology‐inspired small‐sized water‐enabled electricity generation (WEG) has sparked widespread research interest, especially when applied as an electricity source for off‐grid low‐power electronic equipment and systems. Currently, WEG encompasses a wide range of physical phenomena, generator structures, and power generation environments. However, a systematic framework to clearly describe the connections and differences between these technologies is unavailable. In this review, a comprehensive overview of generator technologies and the typical mechanisms for harvesting water energy is provided. Considering the different roles of water in WEG processes, the related technologies are presented as two different scenarios. Moreover, a detailed analysis of the electrical potential formation in each WEG process is presented, and their similarities and differences are elucidated. Furthermore, a comprehensive compilation of advanced generator architectures and system designs based on hydrological cycle processes is presented, along with their respective energy efficiencies. These nanotechnology‐inspired small‐sized WEG devices show considerable potential for applications in the Internet of Things ecosystem (i.e., microelectronic devices, integrated circuits, and smart clothing). Finally, the prospects and future challenges of WEG devices are also summarized.

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Section: Droplet-related Weg Designsmentioning

confidence: 99%

New paradigms of water‐enabled electrical energy generation

Li,

Yang,

Zhang

et al. 2024

SusMat

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“…所制备的纸基摩擦电纳米发电机可以从诸如拉伸、举起和扭转等各种人体运动中获得环境机械能, 而由此产生的电力输出能够直接点亮商用LED灯. Shang和Zhao [122] 设计并制造了一种新颖的液滴式发电机, 该设备能够将液滴滴落撞击到发电机时所产生的机械能转换为电能(图5(d)).…”

Section: 集能和储能unclassified

“…(c) 基于反蛋白石凝胶膜的自变色软体机器人 [112] . (d) 液滴式发电机 [122] . (e) 用于实时监测心血管壁微压的植入式生物压力传感器 [125] Figure 5 (Color online) Multifunctional applications of paper-based and pseudo-paper membrane devices.…”

Section: 结论和展望unclassified

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Paper and pseudo-paper based flexible membrane devices

Guo¹,

Gao²,

He³

2020

Chin. Sci. Bull.

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With unique advantages of thin, porous, flexible, flammable and affordable, paper has been widely used in our daily life. Early in the 19th century, paper was first applied in biochemical analysis. Since then, paper had been used as a unique analytical platform.Paper-based analysis devices are easy to use, cheap, portable and disposable, thus they are widely considered as platform for POCT (point-of-care testing) and on-site detection. Liquid can automatically transport in paper cellulose networks without external pumps or energy, thus do not require extra instruments. The large specific surface area of fiber networks are ideal places for storing testing bio-chemical substances. Paper is also flexible and easy to fold together to form multilayer substrates of 3D chips, make it suitable for 3D cell culture and building multifunctional microfluidic chips. Meanwhile, paper-based analysis devices also have restrictions as chaos porous structure of the fibers interferes the optical signals and nonspecific adsorbs the testing samples, leading a low sensitivity of detection based on colorimetric. Due to the roughness of the fibers, it is still difficult to process the paper with high precision. In order to solve this, new types of paper (pseudo-paper) have emerged.In addition to biochemical analysis, paper also shows great prospect in the field of microelectronics. Currently, paperbased materials have been widely used in fields of flexible electronic devices, for example electronic circuits and energy storage devices. Paper exhibits piezoelectric behavior and is porous, degradable, make it promising materials in fabricating flexible electronics, display, soft robots and energy storage devices.Recently, enormous paper-based and pseudo-paper devices have been reported by researchers in various fields. These devices focus on the construction of new cost-effective microfluidics and electronics. The combination of paper-based microfluidic devices and electronic devices promotes the development of artificial skin, soft robots and flexible electronics. Considerable breakthroughs of new highly integrated paper-based chips have been achieved.In order to summarize the modern developing of paper and pseudo-paper devices and inspire scientists in various research fields, we present here an overall review that focuses on the historical developments to recent advances and future prospects of paper-based and pseudo-paper devices. These aspects include the preparation methods, the manipulation of microfluidics and electrons and multiple applications based on such manipulation. We hope that this review will promote the development of paper devices in various research fields such as analytical chemistry, materials science and electronic science.

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“…The employed microparticles were generated through droplet microfluidics technology. Due to the unique characteristics of microfluidics, [12][13][14], e.g., microscale operation, precise control, and flexible adjustment, etc., it could readily prepare monodispersed microparticles with tunable sizes and controllable morphologies. [15,16] By choosing appropriate polymers, the obtained microparticles could serve as favorable carriers for cell Scheme 1.…”

Section: Introductionmentioning

confidence: 99%

Bioinspired Artificial Liver System with hiPSC‐Derived Hepatocytes for Acute Liver Failure Treatment

Wang

Ren

Liu

et al. 2021

Adv Healthcare Materials

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Bioartificial liver (BAL) system has become a promising alternative to traditional liver transplantation in rescuing acute liver failure (ALF) patients. Herein, inspired by natural microstructure of hepatic lobules, a novel biomimetic bioartificial liver system (BBALS) is developed by integrating human induced pluripotent stem cell-derived hepatocytes (hiPSC-Heps) -laden microparticles and semipermeable microtubes into a microfluidic platform. As the working units are hepatic lobules-like semipermeable microtubes surrounding with serum-free suspension differentiated hiPSC-Heps microcarriers, the BBALS is endowed with functional cell aggregates and effective circulation system. Thus, the BBALS possesses high cell viability, favorable function regeneration, and effective substances exchange. Based on these features, a 3D liver chip with multiple parallel BBALS units is created for filtering the plasma of ALF rabbits, which validates the research significance and application potential of the proposed BBALS. Moreover, the novel integrated BBALS is applied to treat ALF rabbits and shows great advantages in increasing survival, generating serum proteins, and decreasing inflammation. These properties point to the broad prospects of BBALS in treating related diseases and improving traditional clinical methods.

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Tiny water droplet with huge power

Cited by 8 publications

References 10 publications

New paradigms of water‐enabled electrical energy generation

New paradigms of water‐enabled electrical energy generation

Paper and pseudo-paper based flexible membrane devices

Bioinspired Artificial Liver System with hiPSC‐Derived Hepatocytes for Acute Liver Failure Treatment

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