Capacitance‐Assisted Sustainable Electrochemical Carbon Dioxide Mineralisation

Abstract: An electrochemical cell comprising a novel dual‐component graphite and Earth‐crust abundant metal anode, a hydrogen producing cathode and an aqueous sodium chloride electrolyte was constructed and used for carbon dioxide mineralisation. Under an atmosphere of 5 % carbon dioxide in nitrogen, the cell exhibited both capacitive and oxidative electrochemistry at the anode. The graphite acted as a supercapacitive reagent concentrator, pumping carbon dioxide into aqueous solution as hydrogen carbonate. Simultaneous oxidation of the anodic metal generated cations, which reacted with the hydrogen carbonate to give mineralised carbon dioxide. Whilst conventional electrochemical carbon dioxide reduction requires hydrogen, this cell generates hydrogen at the cathode. Carbon capture can be achieved in a highly sustainable manner using scrap metal within the anode, seawater as the electrolyte, an industrially relevant gas stream and a solar panel as an effective zero‐carbon energy source.

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch

Erschienen in
Capacitance‐Assisted Sustainable Electrochemical Carbon Dioxide Mineralisation ; volume:11 ; number:1 ; year:2018 ; pages:137-148 ; extent:12
ChemSusChem ; 11, Heft 1 (2018), 137-148 (gesamt 12)

Urheber
Lamb, Katie J.
Dowsett, Mark R.
Chatzipanagis, Konstantinos
Scullion, Zhan Wei
Kröger, Roland
Lee, James D.
Aguiar, Pedro M.
North, Michael
Parkin, Alison

DOI
10.1002/cssc.201702087
URN
urn:nbn:de:101:1-2022082507355218317060
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
15.08.2025, 07:22 MESZ

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Beteiligte

  • Lamb, Katie J.
  • Dowsett, Mark R.
  • Chatzipanagis, Konstantinos
  • Scullion, Zhan Wei
  • Kröger, Roland
  • Lee, James D.
  • Aguiar, Pedro M.
  • North, Michael
  • Parkin, Alison

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