Recent Advances in Gels for Electrochemical Energy Storage and Conversion

A special issue of Gels (ISSN 2310-2861). This special issue belongs to the section "Gel Applications".

Deadline for manuscript submissions: closed (15 March 2023) | Viewed by 3549

Special Issue Editors

Shenzhen International Graduate School, Tsinghua University, Shenzhen 518071, China
Interests: electrochemical energy storage; electrocatalysis; Li-S battery; 2D nanomaterials
School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China
Interests: energy storage and conversion; fuel cell; supercapacitor

Special Issue Information

Dear Colleagues,

A gel, such as a hydrogel, organogel, xerogel or aerogel, is an intriguing semi-solid/solid that can have properties ranging from soft and weak to hard and tough. They all share the similar structural feature of a three-dimensional cross-linked network, which makes them perfect material platforms for electrochemical energy storage.

We are delighted to launch the Special Issue “Recent Advances in Gels for Electrochemical Energy Storage and Conversion” to broad the general readership of the Journal of Gels and more importantly to promote the development of advanced nanotechnology for the next-generation of electrochemical energy storage. This Special Issue will focus on any aspect of the synthesis, production, structure and properties of any types of gels, and particularly their applications on electrochemical energy storage and conversion, such as polymer-gel electrolytes, elastomeric electrodes with enhanced mechanical properties, conductive 3D aerogel electrodes with practical level of mass loading, hydrogel in batteries and supercapacitors, hydrogel in energy conversion devices, etc.

We welcome your submission of your original reports and review papers dealing with the aforementioned research scopes.

Dr. Lele Peng
Dr. Xihong Zu
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. Gels is an international peer-reviewed open access monthly 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 2100 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

  • electrochemical energy storage
  • gel synthesis
  • gel electrolyte
  • solid-state electrolyte
  • elastic electrodes
  • gel-derived materials
  • mechanical property
  • conductive 3D aerogel
  • high loading
  • high energy density
  • high power density

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Published Papers (1 paper)

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Research

12 pages, 3015 KiB  
Article
Tragacanth Gum Hydrogel-Derived Trimetallic Nanoparticles Supported on Porous Carbon Catalyst for Urea Electrooxidation
by Badr M. Thamer, Meera Moydeen Abdulhameed and Mohamed H. El-Newehy
Gels 2022, 8(5), 292; https://doi.org/10.3390/gels8050292 - 9 May 2022
Cited by 12 | Viewed by 3004
Abstract
The fabrication of electrocatalysts with high catalytic activity, high durability and low cost towards urea oxidation by a facile method is a great challenge. In this study, non-precious NiCoFe trimetallic supported on porous carbon (NiCoFe@PC) was prepared via gelation and pyrolysis method, presenting [...] Read more.
The fabrication of electrocatalysts with high catalytic activity, high durability and low cost towards urea oxidation by a facile method is a great challenge. In this study, non-precious NiCoFe trimetallic supported on porous carbon (NiCoFe@PC) was prepared via gelation and pyrolysis method, presenting a remarkable electrocatalytic activity with low onset potential for urea oxidation in an alkaline medium. Field-emission scanning electron microscopy (FESEM) and transmission electron microscopy (TEM) were used to clarify the morphology of the NiCoFe@PC nanostructure and its nanoparticle size of 17.77 nm. The prepared catalyst with the composition ratio of 24.67, 5.92 and 5.11% for Ni, Fe and Co, respectively, with highly crystalline nanoparticles, fixed on porous carbon, according to energy-dispersive X-ray (EDX) and X-ray diffraction (XRD) analysis. The FeCoNi@PC catalyst showed a catalytic activity of 44.65 mA/cm2 at 0.57 V vs. Ag/AgCl and a low onset potential of 218 mV, which is superior to many other transition bi/trimetallic-based catalysts previously reported. Full article
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