Jump to main content
Jump to site search

Issue 108, 2016, Issue in Progress
Previous Article Next Article

High performance stability of titania decorated carbon for desalination with capacitive deionization in oxygenated water

Author affiliations

Abstract

Performance stability in capacitive deionization (CDI) is particularly challenging in systems with a high amount of dissolved oxygen due to rapid oxidation of the carbon anode and peroxide formation. For example, carbon electrodes show a fast performance decay, leading to just 15% of the initial performance after 50 CDI cycles in oxygenated saline solution (5 mM NaCl). We present a novel strategy to overcome this severe limitation by employing nanocarbon particles hybridized with sol–gel-derived titania. In our proof-of-concept study, we demonstrate very stable performance in low molar saline electrolyte (5 mM NaCl) with saturated oxygen for the carbon/metal oxide hybrid (90% of the initial salt adsorption capacity after 100 cycles). The electrochemical analysis using a rotating disk electrode (RDE) confirms the oxygen reduction reaction (ORR) catalytic effect of FW200/TiO2, preventing local peroxide formation by locally modifying the oxygen reduction reaction.

Graphical abstract: High performance stability of titania decorated carbon for desalination with capacitive deionization in oxygenated water

Back to tab navigation

Supplementary files

Publication details

The article was received on 12 Sep 2016, accepted on 28 Oct 2016 and first published on 01 Nov 2016


Article type: Communication
DOI: 10.1039/C6RA22800C
Citation: RSC Adv., 2016,6, 106081-106089
  • Open access: Creative Commons BY license
  •   Request permissions

    High performance stability of titania decorated carbon for desalination with capacitive deionization in oxygenated water

    P. Srimuk, L. Ries, M. Zeiger, S. Fleischmann, N. Jäckel, A. Tolosa, B. Krüner, M. Aslan and V. Presser, RSC Adv., 2016, 6, 106081
    DOI: 10.1039/C6RA22800C

    This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. Material from this article can be used in other publications provided that the correct acknowledgement is given with the reproduced material.

    Reproduced material should be attributed as follows:

    • For reproduction of material from NJC:
      [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the Centre National de la Recherche Scientifique (CNRS) and the RSC.
    • For reproduction of material from PCCP:
      [Original citation] - Published by the PCCP Owner Societies.
    • For reproduction of material from PPS:
      [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the European Society for Photobiology, the European Photochemistry Association, and RSC.
    • For reproduction of material from all other RSC journals:
      [Original citation] - Published by The Royal Society of Chemistry.

    Information about reproducing material from RSC articles with different licences is available on our Permission Requests page.

Search articles by author

Spotlight

Advertisements