Organic electrodes based on redox-active covalent organic frameworks for lithium batteries

Dantas, Raquel; Ribeiro, Catarina; Souto, Manuel

doi:10.1039/d3cc04322c

Cited by 11 publications

(3 citation statements)

References 125 publications

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“…Both COFs and MOFs have undergone testing as redox-active materials for metal-ion batteries on several occasions. [149][150][151][152] However, to the author's knowledge, neither the COFs nor the MOFs with redox-active organic parts have yet been printed for metal-ion batteries.…”

Section: Printed Cofs and Mofs Based Electrodesmentioning

confidence: 99%

Materials for 3D Printed Metal and Metal‐Ion Batteries

García Rodríguez,

Medina Santos,

Coelho

et al. 2024

ChemElectroChem

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The review provides an overview of the latest innovations, trends, and challenges in the field of 3D‐printed metal and metal‐ion batteries. It focuses on the materials used in the printing of batteries, including electrodes, electrolytes, and other electroactive components. Compared to other high‐quality reviews on the topic, this review provides a broader selection of materials that are expected to gain attention in the next few years, such as redox‐active polymers and metal‐organic frameworks. This work gives an overview and insight into the latest trends in printing techniques as well as a statistical review of their uses and strengths. We have also gathered the latest works done for each of the material types, and we have taken the opportunity to put them in context and use them to exemplify in which direction is the field going. The review concludes with a critical view of the challenges ahead and a discussion of the direction that the field is taking as well as the external factors that might help to define its future.

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Section: Printed Cofs and Mofs Based Electrodesmentioning

confidence: 99%

Materials for 3D Printed Metal and Metal‐Ion Batteries

García Rodríguez,

Medina Santos,

Coelho

et al. 2024

ChemElectroChem

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“…Various porous materials, including doped carbon materials, conductive polymers, metal–organic frameworks, , and covalent organic frameworks (COFs), − have been utilized as sulfur hosts for LSBs. Among these materials, COFs are considered as ideal candidates for cathode matrices in LSBs due to their low density, high stability, and substantial porosity .…”

Section: Introductionmentioning

confidence: 99%

Mitigating the Shuttle Effect: 3D Covalent Organic Frameworks Anchoring Polysulfides for High-Performance Lithium–Sulfur Batteries

Wang,

Wu,

Wei

et al. 2024

Chem. Mater.

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Lithium−sulfur batteries (LSBs) are promising candidates for next-generation high-performance batteries due to their high energy density, low cost, and environmental friendliness. However, issues such as low active material utilization, volume expansion, and serious shuttle effect have severely restricted their practical application. Herein, two 3D covalent organic frameworks (COFs), TFPB-TAA and TFPB-TAB with pto topology, are synthesized and applied as cathodes materials in LSBs. The abundant porosity in the 3D pto structure helps inhibit the shuttle effect and enables uniform sulfur distribution. Density functional theory calculations predict their strong polysulfide adsorption capacity. Impressive initial capacities of 1288 mA h/g for TFPB-TAA and 1192 mA h/g for TFPB-TAB are achieved at 0.1C along with exceptional capacity retentions of 69.3 and 73.5% at 0.5C after 400 cycles. This work provides new insights into the design of 3D COFs for advanced LSBs.

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“…[64] ROMs have been employed in the redox flow batteries. [65][66][67][68] With an interest to study the electrochemical properties of β-diketone in our group, [69,70] in the current work, the synthesis, DFT, and electrochemical properties of two chalcone (1,3diphenylprop-2-en-1-one) derivatives (1 and 2) possessing a βdiketone and a 2-hydroxyphenone backbone (see Scheme 1), is reported.…”

Section: Introductionmentioning

confidence: 99%

Electrochemical and Theoretical Modelled Reduction of β‐Diketone Inspired Chalcones

Izuchukwu Ugwu,

Conradie

2024

ChemistrySelect

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The growing interest in synthesizing electrochemically active organic ligands stems from extensive reports highlighting the applications of redox‐active organic molecules. These molecules play a crucial role in capturing and converting CO2 into valuable organic compounds, including carbonates used as solvents in lithium batteries. In this study, we present an electrochemical investigation of two chalcone derivatives, referred to as (1) and (2). We explored the influence of different solvent systems, specifically acetonitrile and dimethyl sulfoxide, on the reduction potential of these chalcones. The reported chalcone derivatives were characterized using various analytical techniques, including UV/Visible spectroscopy, Fourier Transform Infrared spectroscopy, Proton and Carbon‐13 nuclear magnetic resonance, as well as mass spectrometry. The characterization of the reported chalcones, exhibiting properties of both β‐diketones and 2‐hydroxyphenones, is underscored by a density functional theory (DFT) study of chalcones (1) and (2). This research establishes a correlation between the energies calculated through DFT and the experimental reduction potentials of chalcones (1) and (2), in comparing them with a series of β‐diketones and 2‐hydroxyphenones.

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Organic electrodes based on redox-active covalent organic frameworks for lithium batteries

Abstract: We review some recent strategies to improve the energy density, power density and cycling stability of redox-active COF-based electrodes for rechargeable batteries from the perspective of molecular design and electrode optimisation.

Cited by 11 publications

References 125 publications

Materials for 3D Printed Metal and Metal‐Ion Batteries

Materials for 3D Printed Metal and Metal‐Ion Batteries

Mitigating the Shuttle Effect: 3D Covalent Organic Frameworks Anchoring Polysulfides for High-Performance Lithium–Sulfur Batteries

Electrochemical and Theoretical Modelled Reduction of β‐Diketone Inspired Chalcones

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