Salt precipitation challenge in floating interfacial solar water desalination systems

Naghdi, Behzad; Heshmati, Farzaneh Zeynab; Mahjoub, Farid; Arabpour Roghabadi, Farzaneh; Ahmadi, Vahid; Luo, Ying; Wang, Zheng; Sadrameli, Seyed Mojtaba

doi:10.1016/j.desal.2023.116868

Cited by 17 publications

(2 citation statements)

References 216 publications

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“…Salt accumulation obstructs evapo-ration channels and corrodes power generation materials and electrodes, diminishing operational efficiency. 34,35 Thus, a solution is imperative to mitigate excessive salt deposition in transpiration-driven evaporators when utilizing brine for power generation.…”

Section: Introductionmentioning

confidence: 99%

“…However, when employing salt-containing solutions for energy conversion, nonevaporable solutes lead to salt deposits, jeopardizing TEPG suitability and durability. Salt accumulation obstructs evaporation channels and corrodes power generation materials and electrodes, diminishing operational efficiency. , Thus, a solution is imperative to mitigate excessive salt deposition in transpiration-driven evaporators when utilizing brine for power generation.…”

Section: Introductionmentioning

confidence: 99%

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A Transpiration-Driven Electrokinetic Power Generator with a Salt Pathway for Extended Service Life in Saltwater

Yu,

Mao,

et al. 2024

Langmuir

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To ensure prolonged functionality of transpirationdriven electrokinetic power generators (TEPGs) in saltwater environments, it is imperative to mitigate salt accumulation. This study presents a salt pathway transpiration-driven electrokinetic power generator (SPTEPG), incorporating MXene, graphene oxide (GO), and carbon nanotubes (CNTs) as active materials, along with cellulose nanofibers (CNF) and poly(vinyl alcohol) (PVA) as aqueous binders and nonwoven fabrics. This unique combination confers exceptional hydrophilicity and enhances the energy generation performance. When tested with deionized water, the SPTEPG achieved a maximum voltage of 0.6 V and a current of 4.2 μA. In simulated seawater conditions, the presence of conductive ions in the solution boosted these values to 0.64 V and 42 μA. The incorporation of the salt pathway mechanism facilitates the return of excess salt deposits to the bulk solution, thus extending the SPTEPG's service life in saltwater environments. This research offers a straightforward yet effective strategy for designing transpiration-driven power generators suitable for saline water applications.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%