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Journals
Catalysts
Special Issues
Advanced Catalysts for Electrochemical Energy Storage and Conversion
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Advanced Catalysts for Electrochemical Energy Storage and Conversion

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Catalysis for Sustainable Energy".

Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 13295

Special Issue Editors

Prof. Dr. Peng Gao

E-Mail Website
Guest Editor
School of Material Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou, China
Interests: catalytic materials; energy storage materials; nano chemistry; metal-carbon hybrid materials
Dr. Di Bao

E-Mail Website
Guest Editor
State Key laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
Interests: electrosynthesis and electrocatalysis; solid oxide electrolysis cell
Prof. Dr. Liangxin Ding

E-Mail Website
Guest Editor
School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
Interests: nanocatalysts; electrochemical nitrogen fixation; supercapacitors
Dr. Xianbiao Fu

E-Mail Website
Guest Editor
Department of Physics, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
Interests: electrochemical synthesis of ammonia (nitrogen/nitrate/nitrite reduction reaction and lithium-mediated method); electroreduction CO/CO2 into fuels/chemicals; single-crystal electrocatalysis; hydrogenation

Special Issue Information

Dear Colleagues,

We sincerely invite you to submit both original research papers and comprehensive review manuscripts to this Special Issue on “Advanced Catalysts for Electrochemical Energy Storage and Conversion”.

Meeting energy demands with clean, secure, and sustainable sources is one of the most remarkable yet arduous missions of the 21st century. Although fossil fuels could potentially meet future demands, they cause tremendous consequences: global climate change and an ecological imbalance. Therefore, the new technological revolution in renewable energy has been regarded as the foundation for sustainable social development. Due to the intermittent nature of renewable energy sources, a global energy transformation can only be implemented if large-scale energy storage and conversion systems are developed, with many electrochemical energy technologies expected to play key roles in renewable energy utilization. The development of advanced catalysts and deeper fundamental understandings of electrocatalytic processes are at the core of many electrochemical technologies, being critical components of related systems and devices.

In this Special Issue, we aim to collect the most recent advances in material design and development for electrocatalytic energy conversion and storage processes. Main topics will include, but are not limited to:

  1. Battery-based energy storage technologies at different scales.
  2. Electrocatalytic production of fuels and chemicals.
  3. Simulation/prediction of catalytic reaction activity and its application in photic, electric, and magnetic properties.

Prof. Dr. Peng Gao
Prof. Dr. Di Bao
Prof. Dr. Liangxin Ding
Dr. Xianbiao Fu
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. Catalysts 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 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

  • electrocatalysis
  • photoelectrocatalysis
  • fuel cells
  • water splitting
  • oxygen reduction
  • carbon dioxide/nitrogen reduction reactions
  • rechargeable air-batteries
  • supercapacitors
  • electronic structure
  • theoretical modeling

Published Papers (5 papers)

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Research

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20 pages, 24989 KiB  
Article
Electrochemical Studies of Inkjet Printed Semi-Transparent NiCo2O4/ITO Supercapacitor Electrodes
by Angeliki Banti, Michalis Charalampakis, Paris Pardalis, Charikleia Prochaska, Sotirios Sotiropoulos and Vassilios Binas
Catalysts 2023, 13(7), 1110; https://doi.org/10.3390/catal13071110 - 16 Jul 2023
Cited by 3 | Viewed by 1123
Abstract
Transparent supercapacitors find a large number of applications as components of many electronic devices and circuits. Mixed Ni–Co oxides (NCOs) are among the most promising supercapacitor electrode materials exhibiting high pseudo-capacitance and good electronic conductivity, while inkjet printing is a low cost and [...] Read more.
Transparent supercapacitors find a large number of applications as components of many electronic devices and circuits. Mixed Ni–Co oxides (NCOs) are among the most promising supercapacitor electrode materials exhibiting high pseudo-capacitance and good electronic conductivity, while inkjet printing is a low cost and versatile technique for electrode printing. Surprisingly, although there have been many studies of NCO supercapacitor films on ITO glass substrates, these have not been prepared by the inkjet technique, and their optical properties were not fully characterized. Hereby, we report the fabrication and characterization of thin (295 and 477 nm thick; 0.017 and 0.035 mg cm−2 NCO loading) semi-transparent NiCo2O4/ITO supercapacitor electrodes, showing transparency to visible light (60–30%, from the thinner to the thicker electrode layers tested), typical mass specific capacitance for NCO-based supercapacitor electrodes (1294–829 Fg−1 at 1 mA cm−2 discharge current density) and high volumetric capacitance (746–608 F cm−3 at 1 mA cm−2). The NCO nanoparticles were prepared by hydrothermal synthesis followed by thermal treatment and ball milling (ZrO2 balls, 0.5 mm diameter), resulting in a cubic nickel–cobalt oxide structure and particle size in the 30–150 nm range, whereas the electrode layers were printed from water-propylene glycol solutions using a Dimatix DMP-2850 drop-on-demand (DoD) inkjet printer. Constant current charge–discharge experiments of the supercapacitor electrode (at ca 0.5 mA cm−2) for 1000 cycles confirmed stability of performance. Full article
(This article belongs to the Special Issue Advanced Catalysts for Electrochemical Energy Storage and Conversion)
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11 pages, 3147 KiB  
Article
First Application of Nitrogen-Doped Carbon Nanosheets Derived from Lotus Leaves as the Electrode Catalyst for Li-CO2/O2 Battery
by Lu Zou, Weilin Kong, Linfeng Peng and Fang Wang
Catalysts 2023, 13(3), 577; https://doi.org/10.3390/catal13030577 - 13 Mar 2023
Cited by 1 | Viewed by 1307
Abstract
The development of Li-CO2/O2 battery with high energy density and long-term stability is urgently needed to fulfill the carbon neutralization and pollution-free environment targets. The biomass-derived heteroatom-doped carbon catalyst with the combination of high-efficiency catalytic activity and sustainable supply is [...] Read more.
The development of Li-CO2/O2 battery with high energy density and long-term stability is urgently needed to fulfill the carbon neutralization and pollution-free environment targets. The biomass-derived heteroatom-doped carbon catalyst with the combination of high-efficiency catalytic activity and sustainable supply is a promising cathode catalyst in Li-CO2/O2 battery. Specifically, the unique morphology and mesopore structure can promote the transfer of CO2, O2, and Li+. Abundant channel pores can provide discharge products accommodation to the largest extent. Nitrogen dopant, the commonly recognized active sites in carbon, can improve the electron conductivity and accelerate the sluggish kinetic reaction. Therefore, utilizing the louts leaves as the precursor, we successfully prepare the cellular-like nitrogen-doped activated carbon nanosheets (N-CNs) through the appropriate pyrolysis carbonization method. The as-synthesized carbon nanosheets display a three-dimensional interconnecting pore structure and abundant N-dopant actives, which dramatically improve the electrochemical catalytic activity of N-CNs. The Li-CO2/O2 battery with the N-CNs cathode delivers a high discharge capacity of 9825 mAh g−1, low overpotential of 1.21 V, and stable cycling performance of 95 cycles. Thus, we carry out a facile method for N-doped carbon nanosheets preparation derived from the cheap natural biomass, which can be the effective cathode catalyst for environmental-friendly Li-CO2/O2 battery. Full article
(This article belongs to the Special Issue Advanced Catalysts for Electrochemical Energy Storage and Conversion)
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13 pages, 2922 KiB  
Article
Performance of Fuel Electrode-Supported Tubular Protonic Ceramic Cells Prepared through Slip Casting and Dip-Coating Methods
by Youcheng Xiao, Mengjiao Wang, Di Bao, Zhen Wang, Fangjun Jin, Yaowen Wang and Tianmin He
Catalysts 2023, 13(1), 182; https://doi.org/10.3390/catal13010182 - 12 Jan 2023
Cited by 2 | Viewed by 1813
Abstract
Fuel electrode-supported tubular protonic ceramic cells (FETPCCs) based on the BaZr0.4Ce0.4Y0.15Zn0.05O3−δ (BZCYZ) membrane electrolyte was fabricated through a two-step method, in which the polyporous electrode-support tube was prepared with a traditional slip casting technique [...] Read more.
Fuel electrode-supported tubular protonic ceramic cells (FETPCCs) based on the BaZr0.4Ce0.4Y0.15Zn0.05O3−δ (BZCYZ) membrane electrolyte was fabricated through a two-step method, in which the polyporous electrode-support tube was prepared with a traditional slip casting technique in a plaster mold, and the BZCYZ membrane was produced by a dip-coating process on the outside surface of the electrode-support tube. The dense thin-film electrolyte of BZCYZ with a thickness of ~25 μm was achieved by cofiring the fuel electrode support and electrolyte membrane at 1450 °C for 6 h. The electrochemical performances of the FETPCCs were tested under different solid oxide cell modes. In protonic ceramic fuel cell (PCFC) mode, the peak power densities of the cell reached 151–191 mW·cm−2 at 550–700 °C and exhibited relatively stable performance during continuous operation over 100 h at 650 °C. It was found that the major influence on the performance of tubular PCFC was the resistance and cathode current collectors. Additionally, in protonic ceramic electrolysis cell (PCEC) mode, the current densities of 418–654 mA·cm−2 were obtained at 600–700 °C with the applied voltage of 2.0 V when exposed to 20% CO2–80% H2 and 3% H2O/air. Using distribution of relaxation time analysis, the electrolytic rate-limiting step of the PCEC model was determined as the adsorption and dissociation of the gas on the electrode surface. Full article
(This article belongs to the Special Issue Advanced Catalysts for Electrochemical Energy Storage and Conversion)
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12 pages, 7398 KiB  
Article
Photo-Charging a Zinc-Air Battery Using a Nb2O5-CdS Photoelectrode
by Tatiana S. Andrade, Antero R. S. Neto, Francisco G. E. Nogueira, Luiz C. A. Oliveira, Márcio C. Pereira and Panagiotis Lianos
Catalysts 2022, 12(10), 1240; https://doi.org/10.3390/catal12101240 - 15 Oct 2022
Cited by 3 | Viewed by 1730
Abstract
Integrating a photoelectrode into a zinc-air battery is a promising approach to reducing the overpotential required for charging a metal-air battery by using solar energy. In this work, a photo-fuel cell employing a Nb2O5/CdS photoanode and a Zn foil [...] Read more.
Integrating a photoelectrode into a zinc-air battery is a promising approach to reducing the overpotential required for charging a metal-air battery by using solar energy. In this work, a photo-fuel cell employing a Nb2O5/CdS photoanode and a Zn foil as a counter-electrode worked as a photoelectrochemical battery that saves up to 1.4 V for battery charging. This is the first time a Nb2O5-based photoelectrode is reported as a photoanode in a metal-air battery, and the achieved gain is one of the top results reported so far. Furthermore, the cell consumed an organic fuel, supporting the idea of using biomass wastes as a power source for sunlight-assisted charging of metal-air batteries. Thus, this device provides additional environmental benefits and contributes to technologies integrating solar energy conversion and storage. Full article
(This article belongs to the Special Issue Advanced Catalysts for Electrochemical Energy Storage and Conversion)
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Review

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23 pages, 9257 KiB  
Review
Advanced Nickel-Based Catalysts for Urea Oxidation Reaction: Challenges and Developments
by Yaming Ma, Chenxiang Ma, Yingche Wang and Ke Wang
Catalysts 2022, 12(3), 337; https://doi.org/10.3390/catal12030337 - 16 Mar 2022
Cited by 36 | Viewed by 6270
Abstract
The electrochemical urea oxidation reaction (UOR) is crucial for determining industrial and commercial applications of urea-based energy conversion devices. However, the performance of UOR is limited by the dynamic complex of the six-electron transfer process. To this end, it is essential to develop [...] Read more.
The electrochemical urea oxidation reaction (UOR) is crucial for determining industrial and commercial applications of urea-based energy conversion devices. However, the performance of UOR is limited by the dynamic complex of the six-electron transfer process. To this end, it is essential to develop efficient UOR catalysts. Nickel-based materials have been extensively investigated owing to their high activity, easy modification, stable properties, and cheap and abundant reserves. Various material designs and strategies have been investigated in producing highly efficient UOR catalysts including alloying, doping, heterostructure construction, defect engineering, micro functionalization, conductivity modulation, etc. It is essential to promptly review the progress in this field to significantly inspire subsequent studies. In this review, we summarized a comprehensive investigation of the mechanisms of oxidation or poisoning and UOR processes on nickel-based catalysts as well as different approaches to prepare highly active catalysts. Moreover, challenges and prospects for future developments associated with issues of UOR in urea-based energy conversion applications were also discussed. Full article
(This article belongs to the Special Issue Advanced Catalysts for Electrochemical Energy Storage and Conversion)
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