Bo YANG, Gongxuan LÜ, Jiantai MA. Electrocatalytic Water Splitting over Nickel Iron Hydroxide-cobalt Phosphide Composite Electrode [J]. Journal of Inorganic Materials, 2024, 39(4): 374
- Journal of Inorganic Materials
- Vol. 39, Issue 4, 374 (2024)
1. Synthesis diagram of electrodes (a), SEM images (b-d) and XRD patterns (e-g) of Co precursor/NF (b, e), CoP/NF (c, f), and NiFeOH/CoP/NF-200s (d, g)
S1. TEM characterization of Co precursor/NF, CoP/NF, and NiFeOH/CoP/NF-200s
S2. Cathode LSV curves of CoP/NF, and NiFeOH/CoP/NF-x s prepared with different electrodeposition time (a), and current density difference versus scan rate to calculate the double layer capacities (C dls) of bare NF, Co precursor/NF, CoP/NF, and NiFeOH/CoP/NF-200s (b)
2. Ni2p(a), Co2p(b), P2p(c), and Fe2p(d) XPS spectra of Co precursor/NF, CoP/NF, and NiFeOH/CoP/NF-200s
3. HER electrocatalytic properties of bare NF, Co precursor/NF, CoP/NF, and NiFeOH/CoP/NF-200s
S3. Anode LSV curves of CoP/NF and NiFeOH/CoP/NF-x s prepared with different electrodeposition time (a), XRD and SEM characterization of NiFeOH/CoP/NF-200s after cathode and anode chronopotentiometry test (b-d)
4. OER electrocatalytic properties of bare NF, Co precursor/NF, CoP/NF, and NiFeOH/CoP/NF-200s
S4. XPS characterization of NiFeOH/CoP/NF-200s before and after HER and OER chronopotentiometry test
5. Electrocatalytic overall water splitting properties of NiFeOH/CoP/NF-200s||NiFeOH/CoP/NF-200s two electrode system and hydrogen production efficiency of the photovoltaic-electrocatalytic system consisting of two electrode cell and GaAs solar cell
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