Special Issue "Materials for Electrochemical Capacitive Storage and Capacitive Deionization"

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Energy Materials".

Deadline for manuscript submissions: 30 November 2020.

Special Issue Editor

Prof. Dr. Antonello Vicenzo
Guest Editor
Dipartimento di Chimica, Materiali e Ingegneria Chimica “Giulio Natta”, Politecnico di Milano, Milan, Italy
Interests: electrochemical storage; electrochemical capacitors; capacitive deionization; carbon nanomaterials; pseudo-capacitive materials; intercalation oxides; hybrid and composite electrodes; electrolytes

Special Issue Information

Dear Colleagues,

Energy storage by electrochemical systems has gained an unparalleled relevance during the last few decades. In particular, there has literally been an outburst of interest in the area of electrochemical capacitors (ECs) under the strong influence of diverse applications in industrial and consumer electronics, electric transportation, and the renewable electricity sector. New markets and application requirements are challenging the current technology of ECs, asking for the development of advanced devices with outstanding characteristics in terms of specific energy and/or power. The search and development of new, modified, composite, and hybrid electrode materials; the enhanced control over pore texture and architecture of the active electrode layer; the investigation of novel electrolytes; the design and exploration of asymmetric and hybrid system configurations; and the recent trend towards all solid state devices are all research directions pursued actively towards unprecedented solutions for electrochemical energy storage.

Capacitive deionization (CDI) is a water treatment technology sharing with electrochemical capacitors the fundamental principle of electrosorption at the double layer of high surface area carbon electrodes to remove ions from water streams. Material research in CDI has explored different strategies to improve the salt adsorption capacity of the electrodes, aiming primarily at extending the capability of CDI to the treatment of concentrated solutions and eventually to seawater desalination, as either a self-standing or a complementary technology. Research in this area is still in its infancy, though the list of emerging electrode materials for CDI already includes a range of carbon materials, including functionalized activated carbon, tailored porosity carbon, and nanocarbon materials. Surface charge modification by functionalization, hybridization with oxides, ion intercalating oxides, and even compounds undergoing reversible faradaic reaction are other approaches that have been attempted, initiating a new fascinating field of research.

This Special Issue aims to collect original contributions focusing on recent advances in material research and exploring new concept materials for electrochemical capacitive storage and deionization. The topics of interest include the following:

  • Nanocarbon, hybrid, and composite materials for electrochemical capacitors (ECs);
  • Synthesis, characterization, and application of pseudocapacitive and battery-like materials;
  • Metal oxides and nitrides in ECs;
  • Conducting polymers in ECs;
  • Electrolytes development, including solid-state electrolytes;
  • Sustainable materials for electrochemical capacitors;
  • Carbon based electrodes for capacitive deionization;
  • Advances in asymmetric supercapacitors and hybrid systems;
  • Microsupercapacitors;
  • All solid state supercapacitors;
  • Studies and characterization of charging mechanisms;
  • Electrode materials in capacitive deionization (CDI) and membrane capacitive deionization (MCDI);
  • MCDI and new membrane materials;
  • Specific ions removal and nutrient recovery in CDI;
  • Faradaic CDI and battery deioniztion;
  • Energy harvesting in CDI;
  • Improved understanding of electrochemical capacitive processes;
  • New insights into degradation mechanisms;

Advanced characterisation techniques.

Prof. Dr. Antonello Vicenzo
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2000 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.


  • supercapacitors
  • pseudocapacitors
  • hybrid electrochemical storage
  • capacitive deionization
  • electrode materials
  • electrolytes
  • membranes
  • nanocarbon
  • transition metal oxides

Published Papers

This special issue is now open for submission.
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