
CoFe layered double hydroxide for enhanced ... - ScienceDirect
Apr 1, 2020 · Herein, a network of curly-edged CoFe-layered double hydroxide (LDH) nanosheets was grown on Ni foam via a one-pot hydrothermal synthesis route. We studied the stepwise morphological evolution and electrochemical performance of CoFe-LDH during variable hydrothermal reaction conditions.
In-situ structure and catalytic mechanism of NiFe and CoFe …
May 20, 2020 · We studied the redox chemistry of NiFe LDH and CoFe LDH (M:Fe = ~3:1) using cyclic and linear sweep voltammetry (CV and LSV) and compared their OER performance with that of their Fe-free...
In situ construction of CoFe-LDH by regulating the Co/Fe molar …
Jun 1, 2022 · Here, an effective CoFe-LDH grown in-situ on Fe Foam (FF) has been prepared by corrosion technique with the assistance of NH 4 F. CFL-200 (CoFe-LDH synthesized with 200 mM NH 4 F) exhibits an excellent OER activity with an overpotential of 266 mV at 50 mA cm −2 and a Tafel slope of 35 mV dec −1.
Construction of 3D Hierarchical Co3O4@CoFe-LDH …
Jan 29, 2023 · Here, an efficient and robust flexible self-supporting catalyst, interface coupling of ultrathin CoFe-LDH nanosheets and Co 3 O 4 nanowire arrays on the carbon cloth (CC/Co 3 O 4 @CoFe-LDH), was proposed for boosting oxygen evolution reaction (OER) in rechargeable liquid/solid Zn–air batteries (ZABs).
Dual-Cation-Coordinated CoFe-Layered Double ... - ACS Publications
Jan 10, 2023 · Cation modulation engineering is employed to tune the intrinsic activity and electronic structure of electrocatalysts for water electrolysis. Here, we designed two-dimensional cobalt–iron-layered double-hydroxide (CoFe-LDH) ultrathin nanosheets by pulsed laser ablation in an aqueous medium.
CoFe-LDH nanowire arrays on graphite felt: A high-performance …
Feb 1, 2022 · Developing non-noble-metal oxygen evolution reaction (OER) electrocatalysts with high performance is critical to electrocatalytic water splitting. In this work, we fabricated CoFe-layered double hydroxide (LDH) nanowire arrays on graphite felt (CoFe-LDH/GF) via a hydrothermal method.
3D nanostructured Ce-doped CoFe-LDH/NF self-supported …
Aug 9, 2023 · A nanostructured self-supported electrode Ce-CoFe-LDH/NF without adhesive was obtained directly, which has a regular nanoneedle morphology with a length of ∼1.2 μm and tip width of ∼20 nm.
A hierarchical CoFe-layered double hydroxide modified carbon …
Hierarchical CoFe-layered double hydroxide (CoFe–LDH) was grown on carbon felt (CF) as a heterogeneous catalyst by in situ solvothermal growth. The CoFe–LDH/CF serves as a cathode as well as a Fe2+ (catalyst) source in the electro-Fenton (EF) process.
Cl−-repelling CoFe-LDH enables ultrastable and ampere-level …
Aug 7, 2024 · The synthetic design of CoFe-C i @GQDs is unique in the work reported by Fan, Liu, Li, and colleagues. Particularly interesting is the choice of CO 3 2− —which has a small ionic size, high charge, and typical trigonal planar configuration—as the intercalation anion.
Ga-Induced p–d Orbital Hybridization in CoFe LDH for Boosted …
Jul 29, 2024 · Herein, we synthesized Ga-doped CoFe LDH (GaCoFe LDH) as a highly effective catalyst for alkaline OER. Experimental and theoretical investigations reveal that the strong p–d orbital hybridization between Ga and Co/Fe atoms plays a …