Development of electrodeposited IrO2 electrodes as anodes in polymer electrolyte membrane water electrolysis

Three-dimensional hierarchical meso/macroporous Fe/Co-nitrogen-doped carbon encapsulated FeCo alloy nanoparticles prepared without any template or surfactant: High-performance bifunctional oxygen electrodes

“…S2a, for PC calcined under N 2 atmosphere, lots of tubers and ravines can be obviously observed on the surfaces, increasing its specific surface area. Furthermore, for the N/PC calcined under NH 3 atmosphere, large amounts of extra meso/ macropores can be clearly observed on the surfaces (Fig. S2b).…”

“…The slight decrease in BET area and total pore volume for CoeN/PC is mainly due to the coverage of meso/ X-ray photoelectron spectroscopy (XPS) was further used to analyze the composition of N/PC, FeeN/PC, Fe0.5Co0.5-N/PC, and CoeN/PC. Survey spectra reveal the presence of C, N, and O in four samples, demonstrating that N atoms can be successfully doped into carbon skeletons after being calcined in NH 3 . After the precise quantitative analysis by XPS, the total N contents are 1.2, 2.3, 2.8, and 2.5 at.% for resultant N/PC, FeeN/PC, Fe0.5Co0.5-N/PC, and CoeN/PC samples.…”

Durable Cathodes and Electrolyzers for the Efficient Aqueous Electrochemical Reduction of CO2

“…As tudy on PEMFCs saw that at positive applied cell potentials of 1. 44 Vor higher, the carbon is oxidized by the water present in the system to form CO 2 . [33a] Carbon corrosion was also seen to affect PEM water electrolyzers.…”

Effects of Diffusion Layer (DL) and ORR Catalyst (MORR) on the Performance of MORR/IrO2/DL Electrodes for PEM-Type Unitized Regenerative Fuel Cells

“…First, an IrO 2 film was electrodeposited based on our reported procedure [22,31,32]. A deposition potential (E dep ) of 0.7 V (vs. standard calomel electrode (SCE)) was constantly applied for a deposition time (t dep ) of 10 min, which resulted in an IrO 2 loading of 0.1 mg/cm 2 .…”