Metal-Organic Frameworks (MOFs) Based Materials for Energy Storage and Conversion Applications

A special issue of Inorganics (ISSN 2304-6740). This special issue belongs to the section "Inorganic Solid-State Chemistry".

Deadline for manuscript submissions: closed (15 December 2022) | Viewed by 6814

Special Issue Editors


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Guest Editor
Jeonbuk National University, Jeonju, South Korea
Interests: Electrochemical energy storage and conversion: Supercapacitor; Carbon Nanofibers; Electrospinning; Metal-organic Frameworks; Water-splitting; ORR; OER; HER; Li-Ion Bs; Li-SBs, Na-IonBs, Zn-air Batteries
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Guest Editor
Department of Nano Convergence Engineering, Jeonbuk National University, Jeonju 561-756, Korea
Interests: CNFs; MOFs; supercapacitor; water splitting; electrocatalyst; bio-sensors
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Guest Editor
Central Department of Chemistry, Tribhuvan University, Kirtipur 44618, Nepal
Interests: chemistry; electrospun carbon nanofibers; electroanalytical techniques; energy conversion and storage; MOFs

Special Issue Information

Dear Colleagues,

Metal–organic frameworks (MOFs) have emerged as desirable cross-functional platforms for electrochemical energy conversion and storage (ECS) systems owing to their highly ordered and tuneable compositions and structures. In many cases, pristine MOFs cannot meet the requirements of practical ECS applications because of the intrinsic deficiencies of conventional MOFs such as poor conductivity and limited functionality. Recent efforts have demonstrated that the combination of MOFs with functional materials to form MOF composites can overcome the deficiencies of conventional MOFs while maintaining their advantages. Various functional materials, including metal nanoparticles (MNPs), carbon nanotubes (CNTs), reduced graphene oxide (rGO), porous supports, molecule complexes, and conductive substrates, have been coupled with MOFs to form MOF composites for enhanced ECS applications. MOFs and MOF composites are widely used as precursors to fabricate nanomaterials for ECS. The high diversity of metal ions and organic linkers renders MOFs ideal platforms to design and fabricate various functional materials, including carbons, metal compounds, and their composites. The component design of MOF-derived materials shows great superiority for obtaining desirable compositions and structures, by which heteroatom doping, multiple components, desirable synergistic effects, high structural robustness, and full utilization of active species can be achieved.

This Special Issue will provide critical insights into achieving highly active, stable, and sustainable MOF-based composites for energy conversion and storage applications. In this Special Issue, we invite papers exploring the most recent advances in aspects of MOFs and their composites, including synthesis techniques, characterization, and applications, in the form of original research articles and critical reviews.

Dr. Kisan Chhetri
Dr. Tae Hoon Ko
Dr. Bipeen Dahal
Guest Editors

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Keywords

  • Metal Organic Frameworks (MOFs) and its Composites
  • Supercapacitor
  • HER/OER (Water Splitting)
  • Nano-porous Carbon from MOFs

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Published Papers (1 paper)

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Research

13 pages, 3566 KiB  
Article
Nickel Oxide-Incorporated Polyaniline Nanocomposites as an Efficient Electrode Material for Supercapacitor Application
by Krishna Prasad Gautam, Debendra Acharya, Indu Bhatta, Vivek Subedi, Maya Das, Shova Neupane, Jyotendra Kunwar, Kisan Chhetri and Amar Prasad Yadav
Inorganics 2022, 10(6), 86; https://doi.org/10.3390/inorganics10060086 - 19 Jun 2022
Cited by 50 | Viewed by 5279
Abstract
This work reports the facile, controlled, and low-cost synthesis of a nickel oxide and polyaniline (PANI) nanocomposites-based electrode material for supercapacitor application. PANI-NiO nanocomposites with varying concentrations of NiO were synthesized via in-situ chemical oxidative polymerization of aniline. The XRD and FTIR support [...] Read more.
This work reports the facile, controlled, and low-cost synthesis of a nickel oxide and polyaniline (PANI) nanocomposites-based electrode material for supercapacitor application. PANI-NiO nanocomposites with varying concentrations of NiO were synthesized via in-situ chemical oxidative polymerization of aniline. The XRD and FTIR support the interaction of PANI with NiO and the successful formation of the PANI-NiO-x nanocomposite. The SEM analysis showed that the NiO and PANI were mixed homogenously, in which the NiO nanomaterial was incorporated in porous PANI globular nanostructures. The multiple phases of the nanocomposite electrode material enhance the overall performance of the energy-storage behavior of the supercapacitor that was tested in 1 M H2SO4 using cyclic voltammetry (CV), galvanostatic charge-discharge (GCD), and electrochemical impedance spectroscopy (EIS). Among the different nanocomposites, PANI-NiO-3 exhibit the specific capacitance of a 623 F g−1 at 1 A g−1 current density. Furthermore, the PANI-NiO-3 electrode retained 89.4% of its initial capacitance after 5000 cycles of GCD at a 20 A g−1 current density, indicating its significant cyclic stability. Such results suggest that PANI-NiO nanocomposite could be proposed as an appropriate electrode material for supercapacitor applications. Full article
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