Nickel(<scp>ii</scp>)-modified covalent-organic framework film for electrocatalytic oxidation of 5-hydroxymethylfurfural (HMF)

Cai, Meng; Ding, Sha; Gibbons, Bradley; Yang, Xiaozhou; Kessinger, Matthew C.; Morris, Amanda J.

doi:10.1039/d0cc02206c

Cited by 47 publications

(33 citation statements)

References 22 publications

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“…52,53 MOFs and COFs have begun to be used for this reaction but have thus far only been applied in highly alkaline conditions. 37,57 Similarly, high conversion rates and faradaic efficiency values (both above 95%) have been noted for transition metal based catalysts, but only in highly alkaline conditions (0.1 to 1.0 M KOH). [54][55][56][58][59][60][61][62][63][64] As discussed below, we believe that the key to the high performance of this system in weakly basic conditions lies in the unique active site conguration.…”

Section: Resultsmentioning

confidence: 71%

“…35,36 In the last year, transition metal sites in MOFs explored as active sites for HMF oxidation. 37,38 We moved to systematically study the structure and activity of these missing hydroxyl linker defect NiO 4 sites within Ni-MOF-74 with the aim of generating an in depth understanding of how they function in an electrocatalytic context and by doing so, extract out valuable design principles that can be generalized across a wide array of systems.…”

Section: Introductionmentioning

confidence: 99%

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Rational incorporation of defects within metal–organic frameworks generates highly active electrocatalytic sites

et al. 2021

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Section: Resultsmentioning

confidence: 71%

Section: Introductionmentioning

confidence: 99%

Rational incorporation of defects within metal–organic frameworks generates highly active electrocatalytic sites

et al. 2021

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“…In the context of electrocatalytic methods, Cai et al. recently reported the preparation and utilization of a Ni‐modified COF film, specifically TpBpy‐Ni@FTO [Ni II acetate into a 2D COF, triformylphloroglucinol (Tp) 5,50‐diamino‐2,20‐bipyridine (Bpy) fluorine‐doped tin oxide (FTO)], for HMF electrooxidation to FDCA [39b] . By applying a constant potential, the researchers achieved a high HMF conversion (96 %) to FFCA (34 % yield) and FDCA (58 % yield) as the products.…”

Section: Electrochemical Oxidation Strategiesmentioning

confidence: 99%

Advances in Electrochemical Modification Strategies of 5‐Hydroxymethylfurfural

et al. 2021

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The development of electrochemical catalytic conversion of 5‐hydroxymethylfurfural (HMF) has recently gained attention as a potentially scalable approach for both oxidation and reduction processes yielding value‐added products. While the possibility of electrocatalytic HMF transformations has been demonstrated, this growing research area is in its initial stages. Additionally, its practical applications remain limited due to low catalytic activity and product selectivity. Understanding the catalytic processes and design of electrocatalysts are important in achieving a selective and complete conversion into the desired highly valuable products. In this Minireview, an overview of the most recent status, advances, and challenges of oxidation and reduction processes of HMF was provided. Discussion and summary of voltammetric studies and important reaction factors (e. g., catalyst type, electrode material) were included. Finally, biocatalysts (e. g., enzymes, whole cells) were introduced for HMF modification, and future opportunities to combine biocatalysts with electrochemical methods for the production of high‐value chemicals from HMF were discussed.

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“…In 2020, Cai et al investigated HMF oxidation to FDCA using nickel (II)-modified covalent-organic framework (COF) film TpBpy-Ni@FTO [71]. However, LSV scan with 0.1 M LiClO 4 (pH of 13) and 0.5 M 5-HMF revealed that the potential was about 1.7 V for 0.1 mA/cm 2 .…”

Section: -Hydroxylmethylfurfuralmentioning

confidence: 99%

Electroreforming of Biomass for Value-Added Products

Iun

Lee

2021

Micromachines

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Humanity’s overreliance on fossil fuels for chemical and energy production has resulted in uncontrollable carbon emissions that have warranted widespread concern regarding global warming. To address this issue, there is a growing body of research on renewable resources such as biomass, of which cellulose is the most abundant type. In particular, the electrochemical reforming of biomass is especially promising, as it allows greater control over valorization processes and requires milder conditions. Driven by renewable electricity, electroreforming of biomass can be green and sustainable. Moreover, green hydrogen generation can be coupled to anodic biomass electroforming, which has attracted ever-increasing attention. The following review is a summary of recent developments related to electroreforming cellulose and its derivatives (glucose, hydroxymethylfurfural, levulinic acid). The electroreforming of biomass can be achieved on the anode of an electrochemical cell through electrooxidation, as well as on the cathode through electroreduction. Recent advances in the anodic electroreforming of cellulose and cellulose-derived glucose and 5-hydrooxylmethoylfurural (5-HMF) are first summarized. Then, the key achievements in the cathodic electroreforming of cellulose and cellulose-derived 5-HMF and levulinic acid are discussed. Afterward, the emerging research focusing on coupling hydrogen evolution with anodic biomass reforming for the cogeneration of green hydrogen fuel and value-added chemicals is reviewed. The final chapter of this paper provides our perspective on the challenges and future research directions of biomass electroreforming.

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Nickel(ii)-modified covalent-organic framework film for electrocatalytic oxidation of 5-hydroxymethylfurfural (HMF)

Abstract: Electrochemical oxidation of 5-hydroxymethylfurfural (HMF) is a promising synthetic route for 2,5-furandicarboxylic acid (FDCA) production. Here, we prepared a nickel(II)-modified covalent-organic framework (COF) film TpBpy-Ni@FTO for HMF electrooxidation. With a...

Cited by 47 publications

References 22 publications

Rational incorporation of defects within metal–organic frameworks generates highly active electrocatalytic sites

Rational incorporation of defects within metal–organic frameworks generates highly active electrocatalytic sites

Advances in Electrochemical Modification Strategies of 5‐Hydroxymethylfurfural

Electroreforming of Biomass for Value-Added Products

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