MOFs in Electrochemical Energy Storage

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Applications".

Deadline for manuscript submissions: closed (15 November 2023) | Viewed by 2441

Special Issue Editor


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Guest Editor
Department of Materials Science and Engineering, College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China
Interests: electrochemistry; coordination chemistry; metal–organic frameworks; secondary batteries; metalic anodes; solid–state electrolytes; porous materials

Special Issue Information

Dear Colleagues,

Metal–organic frameworks (MOFs) are a type of porous crystalline material created by the molecular self-assembly of metal ions or clusters and organic ligands. Since MOFs were proposed by Prof. Omar Yaghi at UC Berkeley in the 1990s, over 100,000 different MOF structures have been recorded. MOFs usually demonstrate well-defined and aligned intramolecular pores with a high porosity. Their physical and chemical properties can be deliberately tuned owing to the wide variety of ligands and coordination modes. These appealing features make MOFs very promising for applications in gas storage and separation, molecular detection, drug delivery, and catalysis.

In recent years, MOFs have shown their unlimited potential in electrochemical energy storage, especially in secondary batteries and supercapacitors. For instance, robust MOFs with redox-active metal centers may directly serve as the electrode material for reversible charge storage; their derivates, such as porous carbon and metal compounds, also reveal high electrochemical performance in batteries or supercapacitors, and MOF hosts with suitable pore structure and chemical binding sites can effectively improve the cycling stability of sulfur cathode in Li–S batteries. Moreover, MOF-based functional coatings, separators, and composite electrolytes have been developed to improve the reversibility of metallic anodes. MOFs open up new avenues to address the key problems in batteries and supercapacitors.

This Special Issue of Polymers aims to present the recent developments in the use of MOFs in electrochemical energy storage. Topics include, but are not limited to: electrode materials, composite electrolytes, and separators based on MOFs and their derivates.

Prof. Dr. Ziqi Wang
Guest Editor

Manuscript Submission Information

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Keywords

  • metal–organic frameworks
  • coordination polymers
  • electrode materials
  • secondary batteries
  • supercapacitors
  • polymer electrolytes
  • solid-state electrolytes

Published Papers (1 paper)

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Research

15 pages, 5287 KiB  
Article
Prussian Blue Analogue-Derived Fe-Doped CoS2 Nanoparticles Confined in Bayberry-like N-Doped Carbon Spheres as Anodes for Sodium-Ion Batteries
by Jiajia Hu, Cheng Liu, Chen Cai, Qianqian Sun, Mixue Lu, Zhujun Yao and Yefeng Yang
Polymers 2023, 15(6), 1496; https://doi.org/10.3390/polym15061496 - 17 Mar 2023
Cited by 5 | Viewed by 2044
Abstract
Obvious volume change and the dissolution of polysulfide as well as sluggish kinetics are serious issues for the development of high performance metal sulfide anodes for sodium-ion batteries (SIBs), which usually result in fast capacity fading during continuous sodiation and desodiation processes. In [...] Read more.
Obvious volume change and the dissolution of polysulfide as well as sluggish kinetics are serious issues for the development of high performance metal sulfide anodes for sodium-ion batteries (SIBs), which usually result in fast capacity fading during continuous sodiation and desodiation processes. In this work, by utilizing a Prussian blue analogue as functional precursors, small Fe-doped CoS2 nanoparticles spatially confined in N-doped carbon spheres with rich porosity were synthesized through facile successive precipitation, carbonization, and sulfurization processes, leading to the formation of bayberry-like Fe-doped CoS2/N-doped carbon spheres (Fe-CoS2/NC). By introducing a suitable amount of FeCl3 in the starting materials, the optimal Fe-CoS2/NC hybrid spheres with the designed composition and pore structure exhibited superior cycling stability (621 mA h g−1 after 400 cycles at 1 A g−1) and improved the rate capability (493 mA h g−1 at 5 A g−1). This work provides a new avenue for the rational design and synthesis of high performance metal sulfide-based anode materials toward SIBs. Full article
(This article belongs to the Special Issue MOFs in Electrochemical Energy Storage)
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