Issue 5, 2023

Fluidics for energy harvesting: from nano to milli scales

Abstract

A large amount of untapped energy sources surrounds us. In this review, we summarize recent works of water-based energy harvesting systems with operation scales ranging from miniature systems to large scale attempts. We focus particularly on the triboelectric energy, which is produced when a liquid and a solid come into contact, and on the osmotic energy, which is released when salt water and fresh water are mixed. For both techniques we display the state of the art understanding (including electrical charge separation, electro-osmotic currents and induced currents) and the developed devices. A critical discussion of present works confirms the significant progress of these water-based energy harvesting systems in all scales. However, further efforts in efficiency and performance amelioration are expected for these technologies to accelerate the industrialization and commercialization procedure.

Graphical abstract: Fluidics for energy harvesting: from nano to milli scales

Article information

Article type
Critical Review
Submitted
08 Oct 2022
Accepted
16 Dec 2022
First published
10 Jan 2023

Lab Chip, 2023,23, 1034-1065

Fluidics for energy harvesting: from nano to milli scales

N. Wu, Y. Brahmi and A. Colin, Lab Chip, 2023, 23, 1034 DOI: 10.1039/D2LC00946C

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