Journal article
Capacitive deionization concept based on suspension electrodes without ion exchange membranes
Electrochemistry communications, v 43, pp 18-21
Jun 2014
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
A new type of capacitive deionization (CDI) system, based on capacitive suspension electrodes (CSEs), was developed for the purpose of desalting brackish and seawater through the use of flowable carbon suspensions. CSEs derived from activated carbon and acetylene black demonstrated a specific capacitance of 92Fg−1 in a static mode in a 0.6M NaCl solution. The novel system introduced here is a proof of concept that capacitive suspension electrodes can be envisioned to desalt water without the aid of ion exchange membranes (IEMs).
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•Capacitive deionization (CDI) with capacitive suspension electrodes is shown.•Potentiometric titrations of cathode suspension demonstrate chloride adsorption.•Spherical carbon particles demonstrate greater adsorption capacity in 0.6M NaCl.
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Details
- Title
- Capacitive deionization concept based on suspension electrodes without ion exchange membranes
- Creators
- Kelsey B Hatzell - Department of Materials Science & Engineering and A.J. Drexel Nanomaterials Institute, Drexel University, 3141 Chestnut Street, Philadelphia, PA 19104, USAEtsuro Iwama - CIRIMAT, UMR CNRS 5085, Université Paul Sabatier, Bat. 2R1 118 Route de Narbonne, 31062 Toulouse Cedex 9, FranceAnais Ferris - CIRIMAT, UMR CNRS 5085, Université Paul Sabatier, Bat. 2R1 118 Route de Narbonne, 31062 Toulouse Cedex 9, FranceBarbara Daffos - CIRIMAT, UMR CNRS 5085, Université Paul Sabatier, Bat. 2R1 118 Route de Narbonne, 31062 Toulouse Cedex 9, FranceKoki Urita - CIRIMAT, UMR CNRS 5085, Université Paul Sabatier, Bat. 2R1 118 Route de Narbonne, 31062 Toulouse Cedex 9, FranceThéodore Tzedakis - Laboratoire de Génie Chimique et Electrochimie, Université Paul Sabatier, INPT, UPS, 118 Route de Narbonne, F-31062 Toulouse, FranceFabien Chauvet - Laboratoire de Génie Chimique et Electrochimie, Université Paul Sabatier, INPT, UPS, 118 Route de Narbonne, F-31062 Toulouse, FrancePierre-Louis Taberna - CIRIMAT, UMR CNRS 5085, Université Paul Sabatier, Bat. 2R1 118 Route de Narbonne, 31062 Toulouse Cedex 9, FranceYury Gogotsi - Department of Materials Science & Engineering and A.J. Drexel Nanomaterials Institute, Drexel University, 3141 Chestnut Street, Philadelphia, PA 19104, USAPatrice Simon - CIRIMAT, UMR CNRS 5085, Université Paul Sabatier, Bat. 2R1 118 Route de Narbonne, 31062 Toulouse Cedex 9, France
- Publication Details
- Electrochemistry communications, v 43, pp 18-21
- Publisher
- Elsevier
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000337555700005
- Scopus ID
- 2-s2.0-84897857849
- Other Identifier
- 991014969772504721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Electrochemistry