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相关概念视频

Electrochemical Systems01:24

Electrochemical Systems

Electrochemical systems provide a fascinating insight into the dynamic interplay of charged species within various phases. One notable example is the interaction between a membrane permeable to K⁺ ions but not to Cl⁻ ions, separating an aqueous KCl solution from pure water. As K⁺ ions diffuse through the membrane, they generate net charges on each phase, leading to a potential difference between them.Similarly, when a piece of Zn is immersed in an aqueous ZnSO₄ solution, the Zn metal, composed...
Microbial Fuel Cells01:23

Microbial Fuel Cells

Microbial fuel cells (MFCs) are bioelectrochemical devices that generate electricity by exploiting the metabolic processes of electrogenic bacteria. These systems provide a renewable energy source and serve as an innovative method for treating organic waste, such as wastewater.A typical MFC consists of two chambers: an anoxic (oxygen-free) compartment that houses the bacteria and an oxic (oxygen-rich) compartment that contains oxygen as the terminal electron acceptor. Many MFCs use proton...

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相关实验视频

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Alternating Magnetic Field-Responsive Hybrid Gelatin Microgels for Controlled Drug Release
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基于离子凝的水分发电机用于水下电子产品

Daozhi Shen1,2, Fangzhou Li3, Jian Zhao3

  • 1School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|September 29, 2024
PubMed
概括

研究人员开发了一种新的水分电发生器 (MEG),可以从水下环境中收集能量. 这项创新使得自动供电的水下电子设备和可持续的能源解决方案成为可能.

关键词:
灵活性 灵活性 灵活性潮湿电动薄膜发生器一个纳米发电机.自动驱动的自动驱动汽车在水下应用的水下应用.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 收集能源 收集能源
  • 环境科学 环境科学

背景情况:

  • 目前的湿气电发生器 (MEG) 仅限于从大气水分中收集能量.
  • 这种限制限制了它们的效率和在各种环境中的实际应用.
  • 需要能够在水生环境中收集水分能量的设备.

研究的目的:

  • 扩大MEG的操作能力,从空气到水下环境.
  • 开发一种可以从陆地和水中环境中从水分中获取能量的设备.
  • 为了展示自动供电水下电子产品的潜力.

主要方法:

  • 一个工程化水凝装置是用防水透气膜创建的.
  • 这种装置允许水蒸气交换,同时防止液态水透.
  • 水凝的离子分离能力被用于发电.

主要成果:

  • 该设备在水下环境中实现了0.55V的电压和130μA cm-2的电流密度.
  • 在具有挑战性的条件下观察到一致的性能,包括高盐度,水流和液压.
  • 工程水凝证明了自我愈合,灵活性和生物相容性.

结论:

  • 开发的MEG是第一个在自动供电的水下电子设备中展示实际应用的设备.
  • 该设备成功为远程水下通信的无线发射器供电.
  • 这项技术为收集水下水分能量提供了一种新的方法,有望在海洋物联网设备方面取得进展.