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原位57Fe穆斯堡尔光谱技术及其在Ni-Fe基析氧反应电催化剂中的应用
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In-Situ/Operando 57Fe Mössbauer Spectroscopic Technique and Its Applications in NiFe-based Electrocatalysts for Oxygen Evolution Reaction
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Figure 12. (A) Linear sweep voltammetric results of NiFe-PBAs/CNTs with varying amount of CNTs. (B) Tafel slopes for NiFe-PBAs/CNTs. (C) XRD analysis showing the structures of NiFe-PBAs/CNTs, carbon paper, NiFe-PBAs/CNTs/carbon paper, and NiFe-PBAs/CNTs/carbon paper after activation through cyclic voltammetry. (D) Ex-situ 57Fe Mössbauer spectroscopic analysis of NiFe-PBAs/CNTs before and after CV activation. (E) Raman spectra for NiFe-PBAs/CNTs before and after CV activation. (F) In-situ/operando Raman spectroscopic analysis for NiFe-PBAs/CNTs at different applied potentials. (color on line) |
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