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C
Special Issues
Porous Carbon Materials for Electrochemical Power Sources
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Porous Carbon Materials for Electrochemical Power Sources

A special issue of C (ISSN 2311-5629).

Deadline for manuscript submissions: closed (30 June 2016) | Viewed by 16365

Special Issue Editor

Dr. Rüdiger Schweiss

E-Mail Website
Guest Editor
SGL Carbon GmbH, Technology and Innovation, Werner von Siemensstrasse 18, D-86405 Meitingen, Germany
Interests: carbon and graphite applications in batteries; fuel cells; electrolysis; porous carbon electrodes; carbon surface chemistry; carbon fibre-based electrodes; carbon fibre processing; carbon precursors; carbon nanomaterials in electrochemical applications
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

For decades, carbon materials have found versatile use in electrochemical devices as electrode materials or electrode supports, active materials, catalysts, catalyst supports, current collectors or conductive additives. These applications stem from the fact that carbon is found in a variety of forms (carbon blacks, graphite, porous carbons, carbon fibers or foams) and can be tailored to suit specific applications. The particular functionalities of carbons originate from the opportunity to create electronically conducting, porous materials with defined pore characteristics that are able to act as host matrices for active materials, high surface area electrodes, catalyst support materials or gas diffusion electrodes. The discovery of multiple forms of carbon nanostructures (nanotubes, nanohorns, graphene) during the last two decades has further enlarged the “toolbox” of materials scientists, which enables the development of even more sophisticated solutions.

This Special Issue is dedicated to the manufacturing and application aspects of novel engineered, porous carbon materials in batteries and related electrochemical storage devices or power sources (supercapacitors, lead acid batteries, lithium ion batteries, lithium-sulfur batteries, redox flow batteries, metal-air batteries, electrolysers or fuel cells).

Dr. Rüdiger Schweiss
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 submissions that pass pre-check are 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. C is an international peer-reviewed open access quarterly 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 1600 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.


Keywords

  • porous carbon
  • activated carbon
  • electrode materials
  • batteries
  • supercapacitors
  • fuel cells
  • energy storage

Published Papers (2 papers)

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3936 KiB  
Article
Manganese Oxide Coated Carbon Materials as Hybrid Catalysts for the Application in Primary Aqueous Metal-Air Batteries
by Andreas Flegler, Sarah Hartmann, Henning Weinrich, Martina Kapuschinski, Jochen Settelein, Henning Lorrmann and Gerhard Sextl
C 2016, 2(1), 4; https://doi.org/10.3390/c2010004 - 15 Feb 2016
Cited by 9 | Viewed by 9429
Abstract
One of the major challenges of metal-air batteries is the impeded oxygen reduction reaction (ORR) during discharge occurring at the gas diffusion electrode (GDE) of the battery. Due to the impeded ORR, high overpotentials emerge and result in a loss of energy efficiency. [...] Read more.
One of the major challenges of metal-air batteries is the impeded oxygen reduction reaction (ORR) during discharge occurring at the gas diffusion electrode (GDE) of the battery. Due to the impeded ORR, high overpotentials emerge and result in a loss of energy efficiency. In order to improve the latter, suitable catalysts have to be employed. Transition metal oxides like manganese oxides (e.g., MnO2, Mn2O3, Mn3O4, Mn5O8, MnOOH) [1,2] are known as good and inexpensive materials for the ORR in alkaline media. A drawback of manganese oxide catalysts is the poor electrical conductivity. Hence, the approach presented in this work aims to enhance the catalytic activity of Mn3O4 and γ–MnO2 by the incorporation of conductive carbon material into the pure manganese oxide. The resulting hybrid catalysts are prepared either by impregnation of Super C 65, Vulcan XC 72, and Kuraray YP 50F via a sol-gel technique employing a MnO2 precursor sol or by direct precipitation of Mn3O4 or γ–MnO2 particles in the presence of the carbon materials mentioned above. Investigations by rotating disc electrode (RDE) show a noticeably higher catalytic activity of the hybrid catalysts than for the pure materials. For verification of the results measured by RDE, screen printed GDEs are prepared and tested in Zn-air full cells. Full article
(This article belongs to the Special Issue Porous Carbon Materials for Electrochemical Power Sources)
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2271 KiB  
Article
Graphene Nanosheets Based Cathodes for Lithium-Oxygen Batteries
by Padmakar Kichambare and Stanley Rodrigues
C 2015, 1(1), 27-42; https://doi.org/10.3390/c1010027 - 20 Oct 2015
Cited by 3 | Viewed by 6263
Abstract
Lithium-oxygen batteries have attracted considerable attention as a promising energy storage system. Although these batteries have many advantages, they face several critical challenges. In this work, we report the use of graphene nanosheets (GNSs), nitrogen-doped graphene nanosheets (N-GNSs), exfoliated nitrogen-doped graphene nanosheets (Ex-N-GNSs), [...] Read more.
Lithium-oxygen batteries have attracted considerable attention as a promising energy storage system. Although these batteries have many advantages, they face several critical challenges. In this work, we report the use of graphene nanosheets (GNSs), nitrogen-doped graphene nanosheets (N-GNSs), exfoliated nitrogen-doped graphene nanosheets (Ex-N-GNSs), and a blend of Ex-N-GNSs with nitrogen-doped carbon (Hybrid 1) as oxygen cathodes. These cathode materials were characterized by the Brunauer-Emmett-Teller (BET) surface area analysis, cyclic voltammetry (CV) and scanning electron microscopy (SEM). In order to mitigate safety issues, all solid-state cells were designed and fabricated using lithium aluminum germanium phosphate (LAGP) as ceramic electrolyte. The cathodes prepared from GNSs, N-GNSs, Ex-N-GNSs, and Hybrid 1 exhibit remarkable enhancement in cell capacity in comparison to conventional carbon cathodes. This superior cell performance is ascribed to beneficial properties arising from GNSs and nitrogen doped carbon. GNSs have unique morphology, higher oxygen reduction activity, whereas nitrogen-doped carbon has higher surface area. Full article
(This article belongs to the Special Issue Porous Carbon Materials for Electrochemical Power Sources)
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