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Molecules
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Carbon-Based Electrochemical Materials for Energy Storage
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Carbon-Based Electrochemical Materials for Energy Storage

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Electrochemistry".

Deadline for manuscript submissions: 31 August 2024 | Viewed by 1564

Special Issue Editor

Dr. Huicong Xia

E-Mail Website
Guest Editor
College of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
Interests: 2D materials; energy storage; electrochemical reactions; catalytic effect

Special Issue Information

Dear Colleagues,

In recent years, the need for high-performance power sources has informed global research on energy storage materials and devices. Advances in nanoscience and nanotechnology have created promising prospects for producing new energy storage materials for the next generation of batteries, supercapacitors, and fuel cells. Carbon-based materials have been extensively researched as electrode materials for batteries, supercapacitors, and fuel cells due to their abundance, low cost, nontoxicity, and electrochemical diversity. This Special Issue, “Carbon-Based Electrochemical Materials for Energy Storage”, aims to cover recent advancements and trends in carbon-based electrode materials. We invite submissions of research articles, short communications, and reviews that focus on the design, development, preparation, characterization, and applications of carbon-based materials for batteries, supercapacitors, and fuel cells.

Dr. Huicong Xia
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. Molecules 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 2700 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

  • carbon-based nanomaterials
  • energy storage
  • batteries
  • supercapacitors
  • fuel cells
  • electrochemical reactions

Published Papers (2 papers)

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Research

14 pages, 8743 KiB  
Article
An Electrochemical Immunosensor Based on Chitosan–Graphene Nanosheets for Aflatoxin B1 Detection in Corn
by Shuai Zhang, Caizhang Wu, Zhike Zhao and Kun Xu
Molecules 2024, 29(7), 1461; https://doi.org/10.3390/molecules29071461 - 25 Mar 2024
Viewed by 518
Abstract
We reported a highly efficient electrochemical immunosensor utilizing chitosan–graphene nanosheets (CS-GNs) nanocomposites for the detection of aflatoxin B1 (AFB1) in corn samples. The CS-GNs nanocomposites, serving as a modifying layer, provide a significant specific surface area and biocompatibility, thereby enhancing [...] Read more.
We reported a highly efficient electrochemical immunosensor utilizing chitosan–graphene nanosheets (CS-GNs) nanocomposites for the detection of aflatoxin B1 (AFB1) in corn samples. The CS-GNs nanocomposites, serving as a modifying layer, provide a significant specific surface area and biocompatibility, thereby enhancing both the electron transfer rate and the efficiency of antibody immobilization. The electrochemical characterization was conducted utilizing both differential pulse voltammetry (DPV) and electrochemical impedance spectroscopy (EIS). Moreover, the antibody concentration, pH, antibody immobilization time, and immunoreaction time, were optimized. The results showed that the current change (ΔI) before and after the immunoreaction demonstrated a strong linear relationship (R2=0.990) with the AFB1 concentration, as well as good specificity and stability. The linear range extended from 0.05 to 25 ng/mL, with a detection limit of 0.021 ng/mL (S/N=3). The immunosensor exhibited a recovery rate ranging from 97.3% to 101.4% in corn samples, showing a promising performance using an efficient method, and indicating a remarkable prospect for the detection of fungal toxins in grains. Full article
(This article belongs to the Special Issue Carbon-Based Electrochemical Materials for Energy Storage)
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14 pages, 5584 KiB  
Article
Interfacial Interaction in NiFe LDH/NiS2/VS2 for Enhanced Electrocatalytic Water Splitting
by Tingxia Wang, Xu Zhang, Xiaojiao Yu, Junpeng Li, Kai Wang and Jinfen Niu
Molecules 2024, 29(5), 951; https://doi.org/10.3390/molecules29050951 - 21 Feb 2024
Viewed by 643
Abstract
A bifunctional electrocatalyst with high efficiency and low costs for overall water splitting is critical to achieving a green hydrogen economy and coping with the energy crisis. However, developing robust electrocatalysts still faces huge challenges, owing to unsatisfactory electron transfer and inherent activity. [...] Read more.
A bifunctional electrocatalyst with high efficiency and low costs for overall water splitting is critical to achieving a green hydrogen economy and coping with the energy crisis. However, developing robust electrocatalysts still faces huge challenges, owing to unsatisfactory electron transfer and inherent activity. Herein, NiFe LDH/NiS2/VS2 heterojunctions have been designed as freestanding bifunctional electrocatalysts to split water, exhibiting enhanced electron transfer and abundant catalytic sites. The optimum NiFe LDH/NiS2/VS2 electrocatalyst exhibits a small overpotential of 380 mV at 10 mA cm−2 for overall water splitting and superior electrocatalytic performance in both hydrogen and oxygen evolution reactions (HER/OER). Specifically, the electrocatalyst requires overpotentials of 76 and 286 mV at 10 mA cm−2 for HER and OER, respectively, in alkaline electrolytes, which originate from the synergistic interaction among the facilitated electron transfer and increasingly exposed active sites due to the modulation of interfaces and construction of heterojunctions. Full article
(This article belongs to the Special Issue Carbon-Based Electrochemical Materials for Energy Storage)
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