Electrocatalytic conversion of G-type and S-type phenolic compounds from different tree species in a heteropolyacid fluidized system

Han, Shuangmei; Zhang, Xiaolei; Wang, Ruizhen; Wang, Kui; Jiang, Jianchun; Xu, Junming

doi:10.1016/j.cej.2022.139299

Cited by 11 publications

(8 citation statements)

References 60 publications

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“…The ECH of benzaldehyde has been extensively investigated over various metal catalysts (e.g., Pd, Cu, Pt, Rh, and Ni), and these metals are usually loaded on conductive substrates such as Cu foam and carbon felt. [145][146][147][148] Among them, Pd-based catalysts are more inclined to form benzyl alcohol, and Cu-based catalysts are more prone to produce dimer products (Fig. 17).…”

Section: Electroreduction Of Lignin-derived Aromatic Compoundsmentioning

confidence: 99%

Electroreductive upgradation of biomass into high-value chemicals and energy-intensive biofuels

Wang,

Li,

Guo

et al. 2024

Green Chem.

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Section: Electroreduction Of Lignin-derived Aromatic Compoundsmentioning

confidence: 99%

Electroreductive upgradation of biomass into high-value chemicals and energy-intensive biofuels

Wang,

Li,

Guo

et al. 2024

Green Chem.

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“…This suspended system exhibited universally satisfactory electroreduction properties of lignin monomer derivatives. 45 2.3. Oxidation 2.3.1.…”

Section: Guaiacolmentioning

confidence: 99%

Recent Progress in Electrocatalytic Conversion of Lignin: From Monomers, Dimers, to Raw Lignin

Liu,

Wang,

Duan

2024

Precision Chemistry

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Lignin, as the second largest renewable biomass resource in nature, has increasingly received significant interest for its potential to be transformed into valuable chemicals, potentially contributing to carbon neutrality. Among different approaches, renewable electricity-driven biomass conversion holds great promise to substitute a petroleum resource-driven one, owing to its characteristics of environmental friendliness, high energy efficiency, and tunable reactivity. The challenges lie on the polymeric structure and complex functional groups in lignin, requiring the development of efficient electrocatalysts for lignin valorization with enhanced activity and selectivity toward targeted chemicals. In this Review, we focus on the advancement of electrocatalytic valorization of lignin, from monomers, to dimers and to raw lignin, toward various valueadded chemicals, with emphasis on catalyst design, reaction innovation, and mechanistic study. The general strategies for catalyst design are also summarized, offering insights into enhancing the activity and selectivity. Finally, challenges and perspectives for the electrocatalytic conversion of lignin are proposed.

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“…To get around this, efforts have been concentrated on employing electrocatalytic HDO as an indirect strategy to catalyze lignin derived oil into fuels and fuel additives under moderate conditions. For example, Liu et al [83] and Xu et al [84,85] devised a dual-catalyst electrolytic system comprised of POM and Pt/C that can achieve extremely efficient electrocatalytic HDO for lignin-oil by simultaneously improving both the faradaic efficiency and working current density (Figure 3b). Table 1 summarizes the structures and yields of hydrogenation products formed from lignin-derived monomers reported in this section.…”

Section: Pom-electrochemical Catalytic Lignin Conversionmentioning

confidence: 99%

“…For example, Liu et al [83] . and Xu et al [84,85] . devised a dual‐catalyst electrolytic system comprised of POM and Pt/C that can achieve extremely efficient electrocatalytic HDO for lignin‐oil by simultaneously improving both the faradaic efficiency and working current density (Figure 3b).…”

Section: Pom‐electrochemical Catalytic Lignin Conversionmentioning

confidence: 99%

Polyoxometalate as an Effective Catalyst for Catalytic Lignin into Value‐Added Molecules

Zhang,

2023

ChemCatChem

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Lignin, an inherently heterogeneous arylpropanoid polymer, presents a unique resource for the sustainable manufacture of aromatic chemicals and fuels. Recently, numerous catalytic strategies for lignin valorization have been explored. Polyoxometalates (POMs), with their distinctive structures enabling control of redox processes in lignin conversion, have been of particular interest. However, a comprehensive assessment of this emerging field of study is currently missing. This paper aims to fill this gap with a detailed review of the use of POMs for catalytic lignin conversion into value‐added compounds. This review delves into various catalytic lignin conversion techniques, including thermal catalysis, electrocatalysis, and tandem processes for lignin separation, depolymerization, and upgrading. Moreover, we highlight innovative investigations utilizing polyoxometalate‐ionic liquids (POM‐ILs), POM‐deep eutectic solvents (POM‐DESs), and solidification or immobilization techniques for POMs as lignin valorization catalysts. Lastly, we discuss the future prospects and challenges in the domain of POM catalytic lignin conversion.

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Electrocatalytic conversion of G-type and S-type phenolic compounds from different tree species in a heteropolyacid fluidized system

Cited by 11 publications

References 60 publications

Electroreductive upgradation of biomass into high-value chemicals and energy-intensive biofuels

Electroreductive upgradation of biomass into high-value chemicals and energy-intensive biofuels

Recent Progress in Electrocatalytic Conversion of Lignin: From Monomers, Dimers, to Raw Lignin

Polyoxometalate as an Effective Catalyst for Catalytic Lignin into Value‐Added Molecules

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