NiCuOx催化剂在负离子交换膜槽中氧化5-羟甲基糠醛

IF 18.2 1区材料科学 Q1 CHEMISTRY, PHYSICAL

ACS Energy Letters Pub Date : 2025-01-02 DOI:10.1021/acsenergylett.4c03257

Guoheng Ding, Husileng Lee, Xing Cao, Zhiheng Li, Junbo Liu, Linqin Wang, Yunxuan Ding, Liqiang Yin, Licheng Sun

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引用次数: 0

摘要

阴离子交换膜（AEM）电解槽的利用为电化学氧化5-羟甲基糠醛（HMF）生产2,5-呋喃二羧酸（FDCA）提供了机会。因此，开发HMF氧化反应电催化剂的简易合成技术是至关重要的一步。在此，我们开发了一种一步浸泡法，在10秒内在Ni泡沫（NiCuOx/NF）上制备了100 cm2的nicu基催化剂。在用该催化剂组装的25 cm2 AEM单道电解槽中，用200 mM HMF电解液连续生产FDCA，单道产率≥95.0%，选择性≥99.9%。在10 A条件下稳定运行100 h后，可得FDCA 207.28 g，纯度超过99%。这项工作为开发工业规模的电催化剂和AEM电解槽中生物质升级的商业化提供了有价值的见解。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

5-Hydroxymethylfurfural Oxidation in Scaled Anion Exchange Membrane Electrolyzer with NiCuOx Catalyst

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5-Hydroxymethylfurfural Oxidation in Scaled Anion Exchange Membrane Electrolyzer with NiCuOx Catalyst

The utilization of anion exchange membrane (AEM) electrolyzers presents an opportunity for commercial production of 2,5-furandicarboxylic acid (FDCA) through electrochemical oxidation of 5-hydroxymethylfurfural (HMF). Consequently, developing facile synthesis techniques of scaled-up electrocatalysts for HMF oxidation reaction (HMFOR) is a crucial step. Herein, we developed a one-step soaking method for preparing a 100 cm² NiCu-based catalyst on Ni foam (NiCuO_x/NF) in 10 s. In a single-pass 25 cm² AEM electrolyzer assembled by the obtained catalyst, a high single-pass yield of ≥95.0% and selectivity of ≥99.9% were achieved to produce FDCA continuously with 200 mM HMF electrolyte. After 100 h of stable operation at 10 A, 207.28 g of FDCA was attained with a high purity of over 99%. This work provides valuable insights into developing industrial-scale electrocatalysts and the commercialization of biomass upgrading in AEM electrolyzers.

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来源期刊

ACS Energy Letters Energy-Renewable Energy, Sustainability and the Environment

CiteScore

31.20

自引率

5.00%

发文量

469

审稿时长

1 months

期刊介绍： ACS Energy Letters is a monthly journal that publishes papers reporting new scientific advances in energy research. The journal focuses on topics that are of interest to scientists working in the fundamental and applied sciences. Rapid publication is a central criterion for acceptance, and the journal is known for its quick publication times, with an average of 4-6 weeks from submission to web publication in As Soon As Publishable format. ACS Energy Letters is ranked as the number one journal in the Web of Science Electrochemistry category. It also ranks within the top 10 journals for Physical Chemistry, Energy & Fuels, and Nanoscience & Nanotechnology. The journal offers several types of articles, including Letters, Energy Express, Perspectives, Reviews, Editorials, Viewpoints and Energy Focus. Additionally, authors have the option to submit videos that summarize or support the information presented in a Perspective or Review article, which can be highlighted on the journal's website. ACS Energy Letters is abstracted and indexed in Chemical Abstracts Service/SciFinder, EBSCO-summon, PubMed, Web of Science, Scopus and Portico.