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Energies
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Reacting Transport Phenomena in Electrochemical Cells
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Reacting Transport Phenomena in Electrochemical Cells

A special issue of Energies (ISSN 1996-1073).

Deadline for manuscript submissions: closed (28 February 2016) | Viewed by 18377

Special Issue Editors

Prof. Dr. Jinliang Yuan

E-Mail Website1 Website2
Guest Editor
Faculty of Maritime and Transportation, Ningbo University, Ningbo 315832, China
Interests: fuel cells; electrolysis cells; hydrogen energy
Special Issues, Collections and Topics in MDPI journals
Dr. Paola Costamagna

E-Mail Website
Guest Editor
Department of Chemistry and Industrial Chemistry (DCCI), University of Genoa, 16126 Genoa, Italy
Interests: intermediate temperature solid oxide fuel cell (IT-SOFC); low temperature solid oxide fuel cell (LT-SOFC); mixed ionic electronic conductor (MIEC); solid-state electrolyte; nano-structured electrode; internal reforming; demonstration; balance of plant (BOP); life cycle analysis (LCA); thermoeconomic analysis; fault detections and isolation (FDI)
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Electrochemical cells, including fuel cells, batteries, and electrolysis cells will play a much more important role in future energy systems for various applications, but significant research is continuously required for reducing manufacturing costs and improving cell performance/durability.

Multi-physics and -phase transport processes of the reactants/products, heat, and charges are strongly coupled with various electrochemical reactions, which impacts the electrode design, component structure/configuration selection, and cell overall performance. This Special Issue will highlight the current research activities and development, focusing on fundamental understanding and analysis of the transport phenomena coupled with charge-transfer reactions. One of the major objectives of this issue is to provide state-of-the-art electrochemical cell research in both experimental and theoretical analysis methods and progress, including the topics relevant to the catalytic reactions in three-phase boundaries (TPBs) and various transport processes within multi-functional structures, as well as their couplings in electrochemical cells.

Prof. Dr. Jinliang Yuan
Prof. Dr. Paola Costamagna
Guest Editors

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. Energies 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 2600 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

  • Heat and mass transport
  • charge transfer
  • electrochemical reactions
  • porous materials
  • electrode
  • experiment
  • modeling
  • macroscopic
  • microscopic
  • multi-physics
  • electrochemical cells
  • fuel cells
  • electrolysis cells
  • batteries

Published Papers (3 papers)

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Research

3947 KiB  
Article
Gas-Phase Mass-Transfer Resistances at Polymeric Electrolyte Membrane Fuel Cells Electrodes: Theoretical Analysis on the Effectiveness of Interdigitated and Serpentine Flow Arrangements
by Elisabetta Arato, Marzia Pinna, Michela Mazzoccoli and Barbara Bosio
Energies 2016, 9(4), 229; https://doi.org/10.3390/en9040229 - 23 Mar 2016
Cited by 4 | Viewed by 3987
Abstract
Mass transfer phenomena in polymeric electrolyte membrane fuel cells (PEMFC) electrodes has already been analyzed in terms of the interactions between diffusive and forced flows. It was demonstrated that the whole phenomenon could be summarized by expressing the Sherwood number as a function [...] Read more.
Mass transfer phenomena in polymeric electrolyte membrane fuel cells (PEMFC) electrodes has already been analyzed in terms of the interactions between diffusive and forced flows. It was demonstrated that the whole phenomenon could be summarized by expressing the Sherwood number as a function of the Peclet number. The dependence of Sherwood number on Peclet one Sh(Pe) function, which was initially deduced by determining three different flow regimes, has now been given a more accurate description. A comparison between the approximate and the accurate results for a reference condition of diluted reactant and limit current has shown that the former are useful for rapid, preliminary calculations. However, a more precise and reliable estimation of the Sherwood number is worth attention, as it provides a detailed description of the electrochemical kinetics and allows a reliable comparison of the various geometrical arrangements used for the distribution of the reactants. Full article
(This article belongs to the Special Issue Reacting Transport Phenomena in Electrochemical Cells)
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3695 KiB  
Article
Electrochemical Mechanism for FeS2/C Composite in Lithium Ion Batteries with Enhanced Reversible Capacity
by Shengping Wang and Jingxian Yu
Energies 2016, 9(4), 225; https://doi.org/10.3390/en9040225 - 23 Mar 2016
Cited by 22 | Viewed by 7529
Abstract
Nanoscale FeS2 was synthesized via a simple hydrothermal method and was decorated by hydrothermal carbonization (FeS2@C). The structural properties of the synthesized materials detected by X-ray diffraction (XRD), together with the morphologies characterized by scanning electron microscopy (SEM) and transmission [...] Read more.
Nanoscale FeS2 was synthesized via a simple hydrothermal method and was decorated by hydrothermal carbonization (FeS2@C). The structural properties of the synthesized materials detected by X-ray diffraction (XRD), together with the morphologies characterized by scanning electron microscopy (SEM) and transmission electron microscopy (TEM) indicated that the hydrothermal carbonization only had an impact on the morphology of pyrite. Additionally, the electrochemical performance of the coated pyrite in Li/FeS2 batteries was evaluated by galvanostatic discharge-charge tests and electrochemical impedance spectroscopy (EIS). The results showed that the initial capacity of FeS2@C was 799.2 mAh·g−1 (90% of theoretical capacity of FeS2) and that of uncoated FeS2 was only 574.6 mAh·g−1. XRD and ultraviolet (UV) visible spectroscopy results at different depths of discharge-charge for FeS2 were discussed to clarify the electrochemical mechanism, which play an important part in Li/FeS2 batteries. Full article
(This article belongs to the Special Issue Reacting Transport Phenomena in Electrochemical Cells)
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4050 KiB  
Article
Integrated Planar Solid Oxide Fuel Cell: Steady-State Model of a Bundle and Validation through Single Tube Experimental Data
by Paola Costamagna, Simone Grosso, Rowland Travis and Loredana Magistri
Energies 2015, 8(11), 13231-13254; https://doi.org/10.3390/en81112364 - 20 Nov 2015
Cited by 11 | Viewed by 6211
Abstract
This work focuses on a steady-state model developed for an integrated planar solid oxide fuel cell (IP-SOFC) bundle. In this geometry, several single IP-SOFCs are deposited on a tube and electrically connected in series through interconnections. Then, several tubes are coupled to one [...] Read more.
This work focuses on a steady-state model developed for an integrated planar solid oxide fuel cell (IP-SOFC) bundle. In this geometry, several single IP-SOFCs are deposited on a tube and electrically connected in series through interconnections. Then, several tubes are coupled to one another to form a full-sized bundle. A previously-developed and validated electrochemical model is the basis for the development of the tube model, taking into account in detail the presence of active cells, interconnections and dead areas. Mass and energy balance equations are written for the IP-SOFC tube, in the classical form adopted for chemical reactors. Based on the single tube model, a bundle model is developed. Model validation is presented based on single tube current-voltage (I-V) experimental data obtained in a wide range of experimental conditions, i.e., at different temperatures and for different H2/CO/CO2/CH4/H2O/N2 mixtures as the fuel feedstock. The error of the simulation results versus I-V experimental data is less than 1% in most cases, and it grows to a value of 8% only in one case, which is discussed in detail. Finally, we report model predictions of the current density distribution and temperature distribution in a bundle, the latter being a key aspect in view of the mechanical integrity of the IP-SOFC structure. Full article
(This article belongs to the Special Issue Reacting Transport Phenomena in Electrochemical Cells)
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