Advanced Electrode Material for Electrochemical Production Conversion and Storage of Energy

A special issue of Inventions (ISSN 2411-5134). This special issue belongs to the section "Inventions and Innovation in Surface Science and Nanotechnology".

Deadline for manuscript submissions: 31 October 2025 | Viewed by 2034

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Special Issue Information

Dear Colleagues,

In recent years, most research has the overall objective of contributing to the development of materials and processes for electrochemical production, conversion, and storage of energy. Many studies have been carried out in the electrochemistry field to study, synthesize, and characterize anodic and cathodic active materials for batteries, supercapacitors, fuel cells, and electrolysers. The main desirable features in these devices are small size, a high specific energy, low environmental impact, and low costs. Also, regarding the abovementioned electrochemical systems, the production process of electrodes, the study of the interaction between electrode materials and electrolyte, the characterization of electrocatalysts for HER, HRR, OER, and ORR, the electrochemical reaction kinetics, heat transfer, and structural mechanics for fuel cell and battery optimization, and the fluid dynamic design of electrodes, involving electro-chemical and thermo-chemical phenomena, are very important topics requiring thorough investigation.

The purpose of this Special Issue is to publish high-quality research papers as well as review articles addressing recent advances on electrode materials for electrochemical production, conversion, and storage of energy. Original, high-quality contributions that are not yet published or that are not currently under review by other journals or peer-reviewed conferences are sought.

Dr. Alessandro Dell'Era
Guest Editor

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Keywords

  • electrode materials
  • energy production
  • electrochemical device optimization
  • electrode production and characterization
  • electrochemical kinetic investigation

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Published Papers (1 paper)

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Research

13 pages, 5890 KiB  
Article
Composite Modified Graphite Felt Anode for Iron–Chromium Redox Flow Battery
by Sheng Wu, Haotian Zhu, Enrui Bai, Chongyang Xu, Xiaoyin Xie and Chuanyu Sun
Inventions 2024, 9(5), 98; https://doi.org/10.3390/inventions9050098 - 9 Sep 2024
Viewed by 1446
Abstract
The iron–chromium redox flow battery (ICRFB) has a wide range of applications in the field of new energy storage due to its low cost and environmental protection. Graphite felt (GF) is often used as the electrode. However, the hydrophilicity and electrochemical activity of [...] Read more.
The iron–chromium redox flow battery (ICRFB) has a wide range of applications in the field of new energy storage due to its low cost and environmental protection. Graphite felt (GF) is often used as the electrode. However, the hydrophilicity and electrochemical activity of GF are poor, and its reaction reversibility to Cr3+/Cr2+ is worse than Fe2+/Fe3+, which leads to the hydrogen evolution side reaction of the negative electrode and affects the efficiency of the battery. In this study, the optimal composite modified GF (Bi-Bio-GF-O) electrode was prepared by using the optimal pomelo peel powder modified GF (Bio-GF-O) as the matrix and further introducing Bi3+. The electrochemical performance and material characterization of the modified electrode were analyzed. In addition, using Bio-GF-O as the positive electrode and Bi-Bio-GF-O as the negative electrode, the high efficiency of ICRFB is realized, and the capacity attenuation is minimal. When the current density is 100 mA·cm−2, after 100 cycles, the coulomb efficiency (CE), voltage efficiency (VE), and energy efficiency (EE) were 97.83%, 85.21%, and 83.36%, respectively. In this paper, the use of pomelo peel powder and Bi3+ composite modified GF not only promotes the electrochemical performance and reaction reversibility of the negative electrode but also improves the performance of ICRFB. Moreover, the cost of the method is controllable, and the process is simple. Full article
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