电催化剂
呋喃
材料科学
羟甲基
兴奋剂
5-羟甲基糠醛
还原(数学)
电流密度
化学工程
纳米技术
核化学
催化作用
有机化学
光电子学
物理化学
化学
电极
电化学
几何学
数学
量子力学
物理
工程类
作者
Cong Tian,Jiaqi Yu,Daojin Zhou,Huajie Ze,Hengzhou Liu,Yuanjun Chen,Rong Xiao,Pengfei Ou,Weiyan Ni,Ke Xie,Edward H. Sargent
标识
DOI:10.1002/adma.202312778
摘要
Abstract Hydrogenation of biomass‐derived chemicals is of interest for the production of biofuels and valorized chemicals. Thermochemical processes for biomass reduction typically employ hydrogen as the reductant at elevated temperatures and pressures. Here we investigate direct electrified reduction of 5‐Hydroxymethylfurfural (HMF) to a precursor to bio‐polymers, 2,5‐bis(hydroxymethyl)furan (BHMF). Noting a limited current density in prior reports of this transformation, we investigated the use of a hybrid catalyst consisting of ternary metal nanodendrites mixed with a cationic ionomer, the latter purposed to increase local pH and facilitate surface proton diffusion. We found that the approach, when implemented using Ga‐doped Ag‐Cu electrocatalysts designed for p‐d orbital hybridization, steered selectivity to BHMF, achieving a faradaic efficiency of 58% at 100 mA/cm 2 and a production rate of 1 mmol/cm 2 /h, this latter a doubling in rate compared to the best prior reports. This article is protected by copyright. All rights reserved
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