Electrocatalytic Hydrogenationof Lignin Derivatives For Sustainable Synthesis of Value-Added Chemicals

IF 2.8 4区化学 Q3 CHEMISTRY, PHYSICAL

Electrocatalysis Pub Date : 2025-09-11 DOI:10.1007/s12678-025-00981-3

Lu Ning, Congxin Chen, Xiaokang Zhao, XinXin Li, Dashuang Xiong, Zan Li, Guangyuan Yang, Lei Wang, Li Guo

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Abstract

Among naturally occurring polymers, lignin is the most abundant source of aromatic compounds. Electrocatalytic valorization of lignin derivatives into value-added chemicals represents a sustainable and promising strategy, leveraging the increasing accessibility of intermittent renewable electricity and abundant biomass feedstocks. Compared to the thermal catalytic conversion, electrocatalytic hydrogenation (ECH) and hydrodeoxygenation (HDO) are emerging as key technologies for biomass conversion, owing to their ability to utilize renewable electricity for in situ generation of environmentally benign H₂ and other essential reagents. Recent progress in ECH and hydrogenolysis of lignin-derived oxygenated aromatic compounds has demonstrated viable pathways for synthesizing industrially critical chemicals, offering a potential alternative to fossil resource dependency. Nevertheless, research on catalyst design, reaction mechanisms, and system optimization for the electrocatalytic upgrading of lignin derivatives remains in its early stages, necessitating further fundamental and applied investigations. This review begins by providing a comprehensive overview of electrocatalytic hydrogenation and hydrogenolysis processes applied to lignin-derived substrates. Finally, challenges facing and future opportunities for electrocatalytic lignin valorization pathways are discussed.

Graphical Abstract

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木质素衍生物的电催化加氢可持续合成增值化学品

在天然聚合物中，木质素是芳香化合物最丰富的来源。利用间歇性可再生电力和丰富的生物质原料，木质素衍生物的电催化增值为增值化学品代表了一种可持续和有前途的战略。与热催化转化相比，电催化加氢（ECH）和氢脱氧（HDO）正成为生物质转化的关键技术，因为它们能够利用可再生电力原位生成对环境无害的H2和其他必需试剂。最近在ECH和木质素衍生的含氧芳香族化合物的氢解方面的进展已经证明了合成工业关键化学品的可行途径，为化石资源依赖提供了潜在的替代方案。然而，对于木质素衍生物电催化升级的催化剂设计、反应机理和系统优化的研究仍处于早期阶段，需要进一步的基础和应用研究。本文首先对木质素衍生底物的电催化加氢和氢解工艺进行了全面的综述。最后，讨论了电催化木质素增值途径面临的挑战和未来的机遇。图形抽象

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Electrocatalysis CHEMISTRY, PHYSICAL-ELECTROCHEMISTRY

CiteScore

4.80

自引率

6.50%

发文量

审稿时长

>12 weeks

期刊介绍： Electrocatalysis is cross-disciplinary in nature, and attracts the interest of chemists, physicists, biochemists, surface and materials scientists, and engineers. Electrocatalysis provides the unique international forum solely dedicated to the exchange of novel ideas in electrocatalysis for academic, government, and industrial researchers. Quick publication of new results, concepts, and inventions made involving Electrocatalysis stimulates scientific discoveries and breakthroughs, promotes the scientific and engineering concepts that are critical to the development of novel electrochemical technologies. Electrocatalysis publishes original submissions in the form of letters, research papers, review articles, book reviews, and educational papers. Letters are preliminary reports that communicate new and important findings. Regular research papers are complete reports of new results, and their analysis and discussion. Review articles critically and constructively examine development in areas of electrocatalysis that are of broad interest and importance. Educational papers discuss important concepts whose understanding is vital to advances in theoretical and experimental aspects of electrochemical reactions.