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Nanomaterials
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Metal Organic Frameworks in Energy Storage
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Metal Organic Frameworks in Energy Storage

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Inorganic Materials and Metal-Organic Frameworks".

Deadline for manuscript submissions: closed (30 September 2020) | Viewed by 21406

Special Issue Editors

Prof. Dr. Rahul R. Salunkhe

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Guest Editor
Department of Physics, Indian Institute of Technology Jammu, Jammu-181121, J&K, India
Interests: material science; nanoporous materials; electrochemical energy storage; ultracapacitor etc.
Prof. Dr. Yusuke Yamauchi

E-Mail Website
Guest Editor
Professor / School of Chem Eng
Senior Group Leader/ Australian Institute for Bioengineering and Nanotechnology (AIBN) The University of Queensland, Brisbane, Australia
Interests: inorganic chemistry; materials chemistry
Special Issues, Collections and Topics in MDPI journals
Dr. Jeonghun Kim

grade E-Mail Website
Guest Editor
Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
Interests: functional nanomaterials; nanoporous materials; polymers; metal-organic frameworks (MOF); carbon; metal oxide; metal; nanostructure
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Metal-organic frameworks (MOFs) have attracted considerable attention for various applications because of their high adsorption capacities relative to other porous materials. By use of different organic and inorganic constituents, MOFs can be prepared in a variety of sizes, shapes and with different porosities and surface functionalities. Thus, MOFs and their derivatives have potential applications in clean energy storage, such as batteries, catalysis, supercapacitors, etc. This Special Issue explores scientific advances of MOFs in energy storage applications and includes research articles focusing on experimental studies, as well prospective discussing practical applications.

Prof. Dr. Rahul R. Salunkhe
Prof. Dr. Yusuke Yamauchi
Prof. Dr. Jeonghun Kim
Guest Editors

Manuscript Submission Information

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Keywords

  • metal-organic framework
  • energy storage
  • nanoporous carbons
  • metal oxides

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Published Papers (4 papers)

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10 pages, 4409 KiB  
Article
Cellulose Nanofiber Composite with Bimetallic Zeolite Imidazole Framework for Electrochemical Supercapacitors
by Hemraj M. Yadav, Jong Deok Park, Hyeong Cheol Kang, Jeonghun Kim and Jae-Joon Lee
Nanomaterials 2021, 11(2), 395; https://doi.org/10.3390/nano11020395 - 4 Feb 2021
Cited by 23 | Viewed by 4398
Abstract
Cellulose nanofiber (CNF) and hybrid zeolite imidazole framework (HZ) are an emerging biomaterial and a porous carbonous material, respectively. The composite of these two materials could have versatile physiochemical characteristics. A cellulose nanofiber and cobalt-containing zeolite framework-based composite was prepared using an in-situ [...] Read more.
Cellulose nanofiber (CNF) and hybrid zeolite imidazole framework (HZ) are an emerging biomaterial and a porous carbonous material, respectively. The composite of these two materials could have versatile physiochemical characteristics. A cellulose nanofiber and cobalt-containing zeolite framework-based composite was prepared using an in-situ and eco-friendly chemical method followed by pyrolysis. The composite was comprised of cobalt nanoparticles decorated on highly graphitized N-doped nanoporous carbons (NPC) wrapped with carbon nanotubes (CNTs) produced from the direct carbonization of HZ. By varying the ratio of CNF in the composite, we determined the optimal concentration and characterized the derived samples using sophisticated techniques. Scanning electron microscopy (SEM), X-ray diffraction analysis (XRD), and X-ray photoelectron spectroscopy (XPS) confirmed the functionalization of CNF in the metallic cobalt-covered N-doped NPC wrapped with CNTs. The CNF–HZNPC composite electrodes show superior electrochemical performance, which is suitable for supercapacitor applications; its specific capacitance is 146 F/g at 1 A/g. Furthermore, the composite electrodes retain a cycling stability of about 90% over 2000 charge–discharge cycles at 10 A/g. The superior electrochemical properties of the cellulose make it a promising candidate for developing electrodes for energy storage applications. Full article
(This article belongs to the Special Issue Metal Organic Frameworks in Energy Storage)
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14 pages, 3472 KiB  
Article
MIL-88A Metal-Organic Framework as a Stable Sulfur-Host Cathode for Long-Cycle Li-S Batteries
by Almudena Benítez, Juan Amaro-Gahete, Dolores Esquivel, Francisco José Romero-Salguero, Julián Morales and Álvaro Caballero
Nanomaterials 2020, 10(3), 424; https://doi.org/10.3390/nano10030424 - 28 Feb 2020
Cited by 53 | Viewed by 6497
Abstract
Lithium-sulfur (Li-S) batteries have received enormous interest as a promising energy storage system to compete against limited, non-renewable, energy sources due to their high energy density, sustainability, and low cost. Among the main challenges of this technology, researchers are concentrating on reducing the [...] Read more.
Lithium-sulfur (Li-S) batteries have received enormous interest as a promising energy storage system to compete against limited, non-renewable, energy sources due to their high energy density, sustainability, and low cost. Among the main challenges of this technology, researchers are concentrating on reducing the well-known “shuttle effect” that generates the loss and corrosion of the active material during cycling. To tackle this issue, metal-organic frameworks (MOF) are considered excellent sulfur host materials to be part of the cathode in Li-S batteries, showing efficient confinement of undesirable polysulfides. In this study, MIL-88A, based on iron fumarate, was synthesised by a simple and fast ultrasonic-assisted probe method. Techniques such as X-ray diffraction (XRD), Raman spectroscopy, Thermogravimetric Analysis (TGA), Scanning Electron Microscopy (SEM), and N2 adsorption/desorption isotherms were used to characterise structural, morphological, and textural properties. The synthesis process led to MIL-88A particles with a central prismatic portion and pyramidal terminal portions, which exhibited a dual micro-mesoporous MOF system. The composite MIL-88A@S was prepared, by a typical melt-diffusion method at 155 °C, as a cathodic material for Li-S cells. MIL-88A@S electrodes were tested under several rates, exhibiting stable specific capacity values above 400 mAh g−1 at 0.1 C (1C = 1675 mA g−1). This polyhedral and porous MIL-88A was found to be an effective cathode material for long cycling in Li-S cells, retaining a reversible capacity above 300 mAh g−1 at 0.5 C for more than 1000 cycles, and exhibiting excellent coulombic efficiency. Full article
(This article belongs to the Special Issue Metal Organic Frameworks in Energy Storage)
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11 pages, 3830 KiB  
Article
Nanoporous Iron Oxide/Carbon Composites through In-Situ Deposition of Prussian Blue Nanoparticles on Graphene Oxide Nanosheets and Subsequent Thermal Treatment for Supercapacitor Applications
by Alowasheeir Azhar, Yusuke Yamauchi, Abeer Enaiet Allah, Zeid A. Alothman, Ahmad Yacine Badjah, Mu. Naushad, Mohamed Habila, Saikh Wabaidur, Jie Wang and Mohamed Barakat Zakaria
Nanomaterials 2019, 9(5), 776; https://doi.org/10.3390/nano9050776 - 21 May 2019
Cited by 90 | Viewed by 5853
Abstract
This work reports the successful preparation of nanoporous iron oxide/carbon composites through the in-situ growth of Prussian blue (PB) nanoparticles on the surface of graphene oxide (GO) nanosheets. The applied thermal treatment allows the conversion of PB nanoparticles into iron oxide (Fe2 [...] Read more.
This work reports the successful preparation of nanoporous iron oxide/carbon composites through the in-situ growth of Prussian blue (PB) nanoparticles on the surface of graphene oxide (GO) nanosheets. The applied thermal treatment allows the conversion of PB nanoparticles into iron oxide (Fe2O3) nanoparticles. The resulting iron oxide/carbon composite exhibits higher specific capacitance at all scan rates than pure GO and Fe2O3 electrodes due to the synergistic contribution of electric double-layer capacitance from GO and pseudocapacitance from Fe2O3. Notably, even at a high current density of 20 A g−1, the iron oxide/carbon composite still shows a high capacitance retention of 51%, indicating that the hybrid structure provides a highly accessible path for diffusion of electrolyte ions. Full article
(This article belongs to the Special Issue Metal Organic Frameworks in Energy Storage)
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17 pages, 2387 KiB  
Article
Predicting the Features of Methane Adsorption in Large Pore Metal-Organic Frameworks for Energy Storage
by George Manos and Lawrence J. Dunne
Nanomaterials 2018, 8(10), 818; https://doi.org/10.3390/nano8100818 - 11 Oct 2018
Cited by 16 | Viewed by 3543
Abstract
Currently, metal-organic frameworks (MOFs) are receiving significant attention as part of an international push to use their special properties in an extensive variety of energy applications. In particular, MOFs have exceptional potential for gas storage especially for methane and hydrogen for automobiles. However, [...] Read more.
Currently, metal-organic frameworks (MOFs) are receiving significant attention as part of an international push to use their special properties in an extensive variety of energy applications. In particular, MOFs have exceptional potential for gas storage especially for methane and hydrogen for automobiles. However, using theoretical approaches to investigate this important problem presents various difficulties. Here we present the outcomes of a basic theoretical investigation into methane adsorption in large pore MOFs with the aim of capturing the unique features of this phenomenon. We have developed a pseudo one-dimensional statistical mechanical theory of adsorption of gas in a MOF with both narrow and large pores, which is solved exactly using a transfer matrix technique in the Osmotic Ensemble (OE). The theory effectively describes the distinctive features of adsorption of gas isotherms in MOFs. The characteristic forms of adsorption isotherms in MOFs reflect changes in structure caused by adsorption of gas and compressive stress. Of extraordinary importance for gas storage for energy applications, we find two regimes of Negative gas adsorption (NGA) where gas pressure causes the MOF to transform from the large pore to the narrow pore structure. These transformations can be induced by mechanical compression and conceivably used in an engine to discharge adsorbed gas from the MOF. The elements which govern NGA in MOFs with large pores are identified. Our study may help guide the difficult program of work for computer simulation studies of gas storage in MOFs with large pores. Full article
(This article belongs to the Special Issue Metal Organic Frameworks in Energy Storage)
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