Numerical analysis of real-scale reverse electrodialysis with microscale structures and electrode segmentation

Kim, Minkyu; Kim, Sung Hoon; Choi, Jiyeon; Kim, Han−Ki; Jeong, Namjo; Kwak, Rhokyun

doi:10.1016/j.cej.2022.137357

Cited by 4 publications

(1 citation statement)

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“…There are also other works on modeling the RED process; however, the attention in these studies was mainly on the influence of hydrodynamic conditions [277][278][279][280][281][282][283]. In these publications, the membrane was considered as ideally selective [280,281], as an ohmic resistance [277][278][279]282,284] or its effect was taken into account through the boundary condition [283,285].…”

Section: Red Modelsmentioning

confidence: 99%

Ion and Water Transport in Ion-Exchange Membranes for Power Generation Systems: Guidelines for Modeling

Mareev

Gorobchenko

Ivanov

et al. 2022

IJMS

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Artificial ion-exchange and other charged membranes, such as biomembranes, are self-organizing nanomaterials built from macromolecules. The interactions of fragments of macromolecules results in phase separation and the formation of ion-conducting channels. The properties conditioned by the structure of charged membranes determine their application in separation processes (water treatment, electrolyte concentration, food industry and others), energy (reverse electrodialysis, fuel cells and others), and chlore-alkali production and others. The purpose of this review is to provide guidelines for modeling the transport of ions and water in charged membranes, as well as to describe the latest advances in this field with a focus on power generation systems. We briefly describe the main structural elements of charged membranes which determine their ion and water transport characteristics. The main governing equations and the most commonly used theories and assumptions are presented and analyzed. The known models are classified and then described based on the information about the equations and the assumptions they are based on. Most attention is paid to the models which have the greatest impact and are most frequently used in the literature. Among them, we focus on recent models developed for proton-exchange membranes used in fuel cells and for membranes applied in reverse electrodialysis.

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