Ultrahigh-current-density Fe-doped NiCr layered double hydroxide as a robust bifunctional electrocatalyst for overall water splitting and alkaline seawater electrolysis
Ultrahigh-current-density Fe-doped NiCr layered double hydroxide as a robust bifunctional electrocatalyst for overall water splitting and alkaline seawater electrolysis
研究概述
水热制备FeNiCr层状双氢氧化物，调控多金属协同作用以促进水分解。析氧在100 mA/cm²下过电位282.3 mV，超过1 A/cm²时约368.3 mV；兼具析氢活性，海水全解水在10 mA/cm²下电压1.983 V，运行50小时。
谱图与表征信息
Fig. 3. Structure characterization of as-prepared electrocatalysts (a) XANES of the Ni element (b) The FT-EXAFS R space fitting of Fe-NiCrLDH (c) The FT-EXAFS R space fitting of NiCrLDH (d) XANES of the Cr element (e) The FT-EXAFS R space fitting of Fe-NiCrLDH (f) The FT-EXAFS R space fitting of NiCrLDH (g) Wavelet transform of Ni element in Fe-NiCrLDH samples and NiCrLDH samples (h) Wavelet transform of Cr element in Fe-NiCrLDH samples and NiCrLDH samples.