Advancing electrodeionization with conductive ionomer binders that immobilize ion-exchange resin particles into porous wafer substrates
Abstract
Electrodeionization (EDI) is an electrically driven separations technology that employs ion-exchange membranes and resin particles. Deionization occurs under the influence of an applied electric field, facilitating continuous regeneration of the resins and supplementing ionic conductivity. While EDI is commercially used for ultrapure water production, material innovation is required for improving desalination performance and energy efficiency for treating alternative water supplies. This work reports a new class of ion-exchange resin-wafers (RWs) fabricated with ion-conductive binders that exhibit exceptional ionic conductivities-a 3-5-fold improvement over conventional RWs that contain a non-ionic polyethylene binder. Incorporation into an EDI stack (RW-EDI) resulted in an increased desalination rate and reduced energy expenditure compared to the conventional RWs. The water-splitting phenomenon was also investigated in the RW in an external experimental setup in this work. Overall, this work demonstrates that ohmic resistances can be substantially curtailed with ionomer binder RWs at dilute salt concentrations.
- Publication Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE; USDOE Office of Energy Efficiency and Renewable Energy (EERE), Bioenergy Technologies Office (BETO); National Science Foundation (NSF)
- OSTI Identifier:
- 1619742
- Alternate Identifier(s):
- OSTI ID: 1763364
- Grant/Contract Number:
- AC02-06CH11357; 1703307
- Resource Type:
- Published Article
- Journal Name:
- npj Clean Water
- Additional Journal Information:
- Journal Name: npj Clean Water Journal Volume: 3 Journal Issue: 1; Journal ID: ISSN 2059-7037
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United Kingdom
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; Chemical engineering; materials for devices
Citation Formats
Palakkal, Varada Menon, Valentino, Lauren, Lei, Qi, Kole, Subarna, Lin, Yupo J., and Arges, Christopher G. Advancing electrodeionization with conductive ionomer binders that immobilize ion-exchange resin particles into porous wafer substrates. United Kingdom: N. p., 2020.
Web. doi:10.1038/s41545-020-0052-z.
Palakkal, Varada Menon, Valentino, Lauren, Lei, Qi, Kole, Subarna, Lin, Yupo J., & Arges, Christopher G. Advancing electrodeionization with conductive ionomer binders that immobilize ion-exchange resin particles into porous wafer substrates. United Kingdom. https://doi.org/10.1038/s41545-020-0052-z
Palakkal, Varada Menon, Valentino, Lauren, Lei, Qi, Kole, Subarna, Lin, Yupo J., and Arges, Christopher G. Mon .
"Advancing electrodeionization with conductive ionomer binders that immobilize ion-exchange resin particles into porous wafer substrates". United Kingdom. https://doi.org/10.1038/s41545-020-0052-z.
@article{osti_1619742,
title = {Advancing electrodeionization with conductive ionomer binders that immobilize ion-exchange resin particles into porous wafer substrates},
author = {Palakkal, Varada Menon and Valentino, Lauren and Lei, Qi and Kole, Subarna and Lin, Yupo J. and Arges, Christopher G.},
abstractNote = {Electrodeionization (EDI) is an electrically driven separations technology that employs ion-exchange membranes and resin particles. Deionization occurs under the influence of an applied electric field, facilitating continuous regeneration of the resins and supplementing ionic conductivity. While EDI is commercially used for ultrapure water production, material innovation is required for improving desalination performance and energy efficiency for treating alternative water supplies. This work reports a new class of ion-exchange resin-wafers (RWs) fabricated with ion-conductive binders that exhibit exceptional ionic conductivities-a 3-5-fold improvement over conventional RWs that contain a non-ionic polyethylene binder. Incorporation into an EDI stack (RW-EDI) resulted in an increased desalination rate and reduced energy expenditure compared to the conventional RWs. The water-splitting phenomenon was also investigated in the RW in an external experimental setup in this work. Overall, this work demonstrates that ohmic resistances can be substantially curtailed with ionomer binder RWs at dilute salt concentrations.},
doi = {10.1038/s41545-020-0052-z},
journal = {npj Clean Water},
number = 1,
volume = 3,
place = {United Kingdom},
year = {Mon Mar 02 00:00:00 EST 2020},
month = {Mon Mar 02 00:00:00 EST 2020}
}
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https://doi.org/10.1038/s41545-020-0052-z
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Cited by: 22 works
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