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Advanced Nanomaterials for Energy Storage Devices
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Advanced Nanomaterials for Energy Storage Devices

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

Deadline for manuscript submissions: 30 September 2024 | Viewed by 2851

Special Issue Editor

Dr. Sudeshna Chandra

E-Mail Website
Guest Editor
Hanse-Wissenschaftskolleg—Institute for Advanced Study (HWK), Lehmkuhlenbusch 4, 27753 Delmenhorst, Germany
Interests: metal/metal oxide nanomaterials; hybrid metal sulfides nanomaterials; biosensors; energy devices; characterization of nanomaterials; electrochemistry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Recent research developments in nanoscience and nanotechnology have seen plenty of nanomaterials in energy storage systems (ESSs) and technologies. The rapid growth of portable electronics and electric vehicles have propelled the development of ESSs devices such as lithium-ion batteries and supercapacitors. Electrochemical energy storage (EES)  technology is also of critical importance for portable electronics, transportation, and large-scale energy storage systems that are emerging as primary power sources for global energy dependence due to their high energy or power densities, portability, and long cycle life. Research on nanomaterials is rising to an unprecedented height due to their unique characteristics for application in the energy sector. The modification of nanomaterials structurally or engineering them into designed architectures can enhance the performance of ESSs. Several carbon nanomaterials (viz., fullerenes, carbon nanotubes, graphene, and their assemblies), layered transition metal dichalcogenides (TMDs), porous 1D nanomaterials, 2D transition metal carbides/nitride (MXene) nanomaterials, metal–organic frameworks (MOFs), etc., have significantly impacted the energy storage systems. Further, with a rise in thermal energy consumption, the development of thermal energy storage systems can also significantly benefit the society. In this regard, phase change nanomaterials (PCNMs) have demonstrated potential in the storage and conversion of solar thermal energy.

The aim of the Special Issue on "Advanced Nanomaterials for Energy Storage Devices" is to invite the submission of original research, short communications, and review articles focusing on the current state-of-the-art nanomaterials that are used in energy devices and technology. Manuscripts providing new insights on nanomaterials for energy conversion and storage are welcome. The Special Issue will essentially provide a platform for energy researchers to showcase their work in the emerging areas, such as solar energy conversion; energy storage including batteries, flow batteries, and supercapacitors; catalysis for energy technologies; fuel cells; hydrogen production, storage, and distribution; utilization of carbon dioxide; and other sustainable energy conversion technologies.

Dr. Sudeshna Chandra
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

  • electrochemical energy storage
  • carbon nanomaterials
  • layered transition metal dichalcogenides
  • porous 1D nanomaterials
  • 2D transition metal carbides/nitride (MXene) nanomaterials
  • energy conversion and storage
  • fuel cells
  • batteries
  • flow batteries
  • supercapacitors
  • hydrogen production
  • storage and distribution
  • utilization of carbon dioxide

Published Papers (3 papers)

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Research

18 pages, 4126 KiB  
Article
Improvement in Electrochemical Performance of Waste Sugarcane Bagasse-Derived Carbon via Hybridization with SiO2 Nanospheres
by Muhammad Mudassir Ahmad Alwi, Jyoti Singh, Arup Choudhury, SK Safdar Hossain and Akbar Niaz Butt
Molecules 2024, 29(7), 1569; https://doi.org/10.3390/molecules29071569 - 31 Mar 2024
Viewed by 643
Abstract
Sugar industries generate substantial quantities of waste biomass after the extraction of sugar water from sugarcane stems, while biomass-derived porous carbon has currently received huge research attention for its sustainable application in energy storage systems. Hence, we have investigated waste sugarcane bagasse (WSB) [...] Read more.
Sugar industries generate substantial quantities of waste biomass after the extraction of sugar water from sugarcane stems, while biomass-derived porous carbon has currently received huge research attention for its sustainable application in energy storage systems. Hence, we have investigated waste sugarcane bagasse (WSB) as a cheap and potential source of porous carbon for supercapacitors. The electrochemical capacitive performance of WSB-derived carbon was further enhanced through hybridization with silicon dioxide (SiO2) as a cost-effective pseudocapacitance material. Porous WSB-C/SiO2 nanocomposites were prepared via the in situ pyrolysis of tetraethyl orthosilicate (TEOS)-modified WSB biomass. The morphological analysis confirms the pyrolytic growth of SiO2 nanospheres on WSB-C. The electrochemical performance of WSB-C/SiO2 nanocomposites was optimized by varying the SiO2 content, using two different electrolytes. The capacitance of activated WSB-C was remarkably enhanced upon hybridization with SiO2, while the nanocomposite electrode demonstrated superior specific capacitance in 6 M KOH electrolyte compared to neutral Na2SO4 electrolyte. A maximum specific capacitance of 362.3 F/g at 0.25 A/g was achieved for the WSB-C/SiO2 105 nanocomposite. The capacitance retention was slightly lower in nanocomposite electrodes (91.7–86.9%) than in pure WSB-C (97.4%) but still satisfactory. A symmetric WSB-C/SiO2 105//WSB-C/SiO2 105 supercapacitor was fabricated and achieved an energy density of 50.3 Wh kg−1 at a power density of 250 W kg−1, which is substantially higher than the WSB-C//WSB-C supercapacitor (22.1 Wh kg−1). Full article
(This article belongs to the Special Issue Advanced Nanomaterials for Energy Storage Devices)
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13 pages, 3705 KiB  
Article
All-Nitrogen Energetic Material Cubic Gauche Polynitrogen: Plasma Synthesis and Thermal Performance
by Chenxi Qu, Jiale Li, Kewei Ding, Songsong Guo and Yating Jia
Molecules 2024, 29(2), 504; https://doi.org/10.3390/molecules29020504 - 19 Jan 2024
Viewed by 726
Abstract
Numerous theoretical calculations have demonstrated that polynitrogen with an extending polymeric network is an ultrahigh-energy all-nitrogen material. Typical samples, such as cubic gauche polynitrogen (cg-N), have been synthesized, but the thermal performance of polynitrogen has not been unambiguously determined. Herein, macroscopic samples of [...] Read more.
Numerous theoretical calculations have demonstrated that polynitrogen with an extending polymeric network is an ultrahigh-energy all-nitrogen material. Typical samples, such as cubic gauche polynitrogen (cg-N), have been synthesized, but the thermal performance of polynitrogen has not been unambiguously determined. Herein, macroscopic samples of polynitrogen were synthesized utilizing a coated substrate, and their thermal decomposition behavior was investigated. Polynitrogen with carbon nanotubes was produced using a plasma-enhanced chemical vapor deposition method and characterized using infrared, Raman, X-ray diffraction X-ray photoelectron spectroscopy and transmission electron microscope. The results showed that the structure of the deposited polynitrogen was consistent with that of cg-N and the amount of deposition product obtained with coated substrates increased significantly. Differential scanning calorimetry (DSC) at various heating rates and TG-DSC-FTIR-MS analyses were performed. The thermal decomposition temperature of cg-N was determined to be 429 °C. The apparent activation energy (Ea) of cg-N calculated by the Kissinger and Ozawa equations was 84.7 kJ/mol and 91.9 kJ/mol, respectively, with a pre-exponential constant (lnAk) of 12.8 min−1. In this study, cg-N was demonstrated to be an all-nitrogen material with good thermal stability and application potential to high-energy-density materials. Full article
(This article belongs to the Special Issue Advanced Nanomaterials for Energy Storage Devices)
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15 pages, 1885 KiB  
Article
Effect of Pore Size Distribution on Energy Storage of Nanoporous Carbon Materials in Neat and Dilute Ionic Liquid Electrolytes
by Maike Käärik, Mati Arulepp, Anti Perkson and Jaan Leis
Molecules 2023, 28(20), 7191; https://doi.org/10.3390/molecules28207191 - 20 Oct 2023
Viewed by 814
Abstract
This study investigates three carbide-derived carbon (CDC) materials (TiC, NbC, and Mo2C) characterized by uni-, bi-, and tri-modal pore sizes, respectively, for energy storage in both neat and acetonitrile-diluted 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide. A distribution of micro- and mesopores was studied through low-temperature [...] Read more.
This study investigates three carbide-derived carbon (CDC) materials (TiC, NbC, and Mo2C) characterized by uni-, bi-, and tri-modal pore sizes, respectively, for energy storage in both neat and acetonitrile-diluted 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide. A distribution of micro- and mesopores was studied through low-temperature N2 and CO2 adsorption. To elucidate the relationships between porosity and the electrochemical properties of carbon materials, cyclic voltammetry, galvanostatic cycling, and electrochemical impedance spectroscopy measurements were conducted using three-electrode test cells. The ultramicroporous TiC-derived carbon is characterized by a high packing density of 0.85 g cm−3, resulting in superior cathodic and anodic capacitances for both neat ionic liquid (IL) and a 1.9 M IL/acetonitrile electrolyte (93.6 and 75.8 F cm−3, respectively, in the dilute IL). However, the bi-modal pore-sized microporous NbC-derived carbon, with slightly lower cathodic and anodic capacitances (i.e., 85.0 and 73.7 F cm−3 in the dilute IL, respectively), has a lower pore resistance, making it more suitable for real-world applications. A symmetric two-electrode capacitor incorporating microporous CDC-NbC electrodes revealed an acceptable cycle life. After 10,000 cycles, the cell retained approximately 75% of its original capacitance, while the equivalent series resistance (ESR) only increased by 13%. Full article
(This article belongs to the Special Issue Advanced Nanomaterials for Energy Storage Devices)
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