Multifunctional Nanomaterials for Energy Storage Electrodes

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Energy and Catalysis".

Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 2060

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Department of Physics, College of Science, King Faisal University, P.O. Box 400, Hofuf, Al-Ahsa 31982, Saudi Arabia
Interests: nanomaterials; electrochemistry; energy conversion and storage; catalysis
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Guest Editor
Department of Chemistry, College of Science, King Faisal University, P.O. Box 380, Hofuf, Al-Ahsa 31982, Saudi Arabia
Interests: nanomaterials; electrochemistry; electrochemical supercapacitors; catalysis
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Department of Applied Chemistry, Konkuk University, Chungju 27478, Republic of Korea
Interests: nanomaterials; energy conversion and storage; electrochemistry; biosensors; electrocatalysis
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Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, SE-60174 Norrköping, Sweden
Interests: batteries; supercapacitors; organic batteries; polymer electrolyte
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Special Issue Information

Dear Colleagues,

Energy storage devices, especially supercapacitors (SCs) and batteries are the main chemical-based modern sources widely used in our daily life, for example in starting vehicles and children's toys. However, the increasing demand for these devices is concerning due to the dependency of everything on energy. To avoid these problems, researchers are continuously searching for an alternative to fossil fuels, such as an electrochemical supercapacitors, fuel cells, and batteries. Developing efficient materials for energy storage applications, especially for supercapacitors and batteries which are the most promising and important power sources used in daily life, has attracted much attention. However, the SCs performance depends on the electrode, i.e., active material, the current collector behavior including electrical conductivity, surface area, porosity, electrochemical activity, and morphological geometries which directly affect the performance of the SCs. Therefore, the selection of the perfectly effective electrode development is highly important as its acts as a bridge between the active materials and the outer terminal during the energy storage process. Therefore, various types of current collectors have been used such as two-dimensional carbon paper, metal-based meshes, metal-based wires, steel mesh, graphite rods, three-dimensional nickel foam, etc. Among them, the three-dimensional electrodes have gained considerable attention for the development of energy storage devices due to a high surface area, excellent electrical conductivity, controllable pore size, low cost, highly stable, three-dimensional structure, etc. The large surface area and three-dimensional structure are helpful when interacting with the electrolyte during the electrochemical process; whereas, the porosity reduces the path length of the ionic diffusion which enhances the overall performance of the electrodes. 

Dr. Sajid Ali Ansari
Dr. Nazish Parveen
Dr. Md. Mahbubur Rahman
Dr. Ziyauddin Khan
Guest Editors

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Keywords

  • nanomaterials
  • energy storage
  • three dimensional
  • supercapacitor
  • battery
  • fuel cell
  • electrochemical cell

Published Papers (1 paper)

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Research

14 pages, 3679 KiB  
Article
Hole-Transport Material Engineering in Highly Durable Carbon-Based Perovskite Photovoltaic Devices
by Reza Rahighi, Somayeh Gholipour, Mohammed A. Amin and Mohd Zahid Ansari
Nanomaterials 2023, 13(8), 1417; https://doi.org/10.3390/nano13081417 - 20 Apr 2023
Cited by 4 | Viewed by 1681
Abstract
Despite the fast-developing momentum of perovskite solar cells (PSCs) toward flexible roll-to-roll solar energy harvesting panels, their long-term stability remains to be the challenging obstacle in terms of moisture, light sensitivity, and thermal stress. Compositional engineering including less usage of volatile methylammonium bromide [...] Read more.
Despite the fast-developing momentum of perovskite solar cells (PSCs) toward flexible roll-to-roll solar energy harvesting panels, their long-term stability remains to be the challenging obstacle in terms of moisture, light sensitivity, and thermal stress. Compositional engineering including less usage of volatile methylammonium bromide (MABr) and incorporating more formamidinium iodide (FAI) promises more phase stability. In this work, an embedded carbon cloth in carbon paste is utilized as the back contact in PSCs (having optimized perovskite composition), resulting in a high power conversion efficiency (PCE) of 15.4%, and the as-fabricated devices retain 60% of the initial PCE after more than 180 h (at the experiment temperature of 85 °C and under 40% relative humidity). These results are from devices without any encapsulation or light soaking pre-treatments, whereas Au-based PSCs retain 45% of the initial PCE at the same conditions with rapid degradation. In addition, the long-term device stability results reveal that poly[bis(4–phenyl) (2,4,6–trimethylphenyl) amine] (PTAA) is a more stable polymeric hole-transport material (HTM) at the 85 °C thermal stress than the copper thiocyanate (CuSCN) inorganic HTM for carbon-based devices. These results pave the way toward modifying additive-free and polymeric HTM for scalable carbon-based PSCs. Full article
(This article belongs to the Special Issue Multifunctional Nanomaterials for Energy Storage Electrodes)
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