Rapidly constructed Ru-NiMn sites regulate the –CHO_–CH2OH pathway and deprotonate to elevate biomass-derived molecule electrooxidation
Rapidly constructed Ru-NiMn sites regulate the –CHO_–CH2OH pathway and deprotonate to elevate biomass-derived molecule electrooxidation
研究概述
通过感应加热快速构筑Ru–NiMn双功能位点，Ru促进Ni去质子化及高价Ni形成，Ru–Mn界面将HMF氧化由优先羟甲基转为优先醛基路线。流动体系耦合析氢与HMF氧化，在1.50 V、200 mM条件下达到约1 A/cm²，并进行了技术经济分析。
谱图与表征信息
Figure 2. Electronic structure characterization of X-Ni/NF (A) Ni 2p XPS spectra of the Ni/NF-IH, NiMn/NF-IH, and Ru-NiMn/NF-IH. (B) Mn 2p XPS spectra of the NiMn/NF-IH and Ru-NiMn/NF-IH. (C) Ru 3p XPS spectra of the Ru-NiMn/NF-IH. (D) XANES spectra at Ru K-edge. (E and F) (E) FT-EXAFS spectra and (F) WT-EXAFS signals of Ru K-edge for Ru foil, RuO2, and Ru-NiMn/NF-IH. (G and H) XANES spectra at (G) Ni and (H) Mn K-edge for Ni foil, Mn foil, NiO, MnO, MnO2, Ni/NF-IH, NiMn/NF-IH, and Ru-NiMn/NF-IH.