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Article: A generalized reverse-electrodialysis model incorporating both continuous and recycle modes for energy harvesting from salinity gradient power

TitleA generalized reverse-electrodialysis model incorporating both continuous and recycle modes for energy harvesting from salinity gradient power
Authors
KeywordsContinuous mode
generalized hybrid model
recycle mode
reverse electrodialysis (RED)
salinity gradient power (SGP)
Issue Date2021
PublisherInstitute of Electrical and Electronics Engineers: Open Access Journals. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=6287639
Citation
IEEE Access, 2021, v. 9, p. 71626-71637 How to Cite?
AbstractSalinity gradient power (SGP) derived from sea and fresh water through reverse electrodialysis (RED) is an emerging discipline with huge potential for carbon-free energy harvesting. SGP technology is still in an infant stage and there is a need for accurate mathematical tools to study its energy harvesting process. Previous models assume a constant salinity gradient with a continuous flow of sea water with constant salinity. In the case of recycling used sea water, such assumption is no longer valid because the salinity gradient reduces with operating time. This paper presents a generalized RED model that covers both of the continuous and recycle modes. It combines an improved kinetic battery module (KiBaM) with an electrical circuit module (ECM), for capturing the behaviors of both RED stacks operating in continuous mode (C-mode) and those in recycle mode (R-mode). To intuitively describe the compound effects of salinity variation and concentration polarization on electrical performance of the R-mode RED stack, nonlinear capacity effects (i.e., recovery effect and rate capacity effect) and self-consumed effect are introduced into the proposed model. The derivation and extraction procedures of the proposed model are included. An RED stack prototype with 50 pairs of alternating membranes is constructed for model validation. Various pulsed and constant current discharge experimental tests are performed to validate the accuracy of the proposed model.
Persistent Identifierhttp://hdl.handle.net/10722/306364
ISSN
2023 Impact Factor: 3.4
2023 SCImago Journal Rankings: 0.960
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorYan, Z-
dc.contributor.authorHuang, Y-
dc.contributor.authorJiang, C-
dc.contributor.authorMei, Y-
dc.contributor.authorTan, SC-
dc.contributor.authorTang, C-
dc.contributor.authorHui, SY-
dc.date.accessioned2021-10-20T10:22:34Z-
dc.date.available2021-10-20T10:22:34Z-
dc.date.issued2021-
dc.identifier.citationIEEE Access, 2021, v. 9, p. 71626-71637-
dc.identifier.issn2169-3536-
dc.identifier.urihttp://hdl.handle.net/10722/306364-
dc.description.abstractSalinity gradient power (SGP) derived from sea and fresh water through reverse electrodialysis (RED) is an emerging discipline with huge potential for carbon-free energy harvesting. SGP technology is still in an infant stage and there is a need for accurate mathematical tools to study its energy harvesting process. Previous models assume a constant salinity gradient with a continuous flow of sea water with constant salinity. In the case of recycling used sea water, such assumption is no longer valid because the salinity gradient reduces with operating time. This paper presents a generalized RED model that covers both of the continuous and recycle modes. It combines an improved kinetic battery module (KiBaM) with an electrical circuit module (ECM), for capturing the behaviors of both RED stacks operating in continuous mode (C-mode) and those in recycle mode (R-mode). To intuitively describe the compound effects of salinity variation and concentration polarization on electrical performance of the R-mode RED stack, nonlinear capacity effects (i.e., recovery effect and rate capacity effect) and self-consumed effect are introduced into the proposed model. The derivation and extraction procedures of the proposed model are included. An RED stack prototype with 50 pairs of alternating membranes is constructed for model validation. Various pulsed and constant current discharge experimental tests are performed to validate the accuracy of the proposed model.-
dc.languageeng-
dc.publisherInstitute of Electrical and Electronics Engineers: Open Access Journals. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=6287639-
dc.relation.ispartofIEEE Access-
dc.rightsIEEE Access. Copyright © Institute of Electrical and Electronics Engineers: Open Access Journals.-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectContinuous mode-
dc.subjectgeneralized hybrid model-
dc.subjectrecycle mode-
dc.subjectreverse electrodialysis (RED)-
dc.subjectsalinity gradient power (SGP)-
dc.titleA generalized reverse-electrodialysis model incorporating both continuous and recycle modes for energy harvesting from salinity gradient power-
dc.typeArticle-
dc.identifier.emailTan, SC: sctan@eee.hku.hk-
dc.identifier.emailTang, C: tangc@hku.hk-
dc.identifier.emailHui, SY: ronhui@HKUCC-COM.hku.hk-
dc.identifier.authorityTan, SC=rp01606-
dc.identifier.authorityTang, C=rp01765-
dc.identifier.authorityHui, SY=rp01510-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1109/ACCESS.2021.3078733-
dc.identifier.scopuseid_2-s2.0-85105872633-
dc.identifier.hkuros326750-
dc.identifier.volume9-
dc.identifier.spage71626-
dc.identifier.epage71637-
dc.identifier.isiWOS:000652035800001-
dc.publisher.placeUnited States-

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