Formation of a Ni(OH)2/NiOOH active redox couple on nickel …
Jun 20, 2019 · Thorough XRD and TEM/EDXS/SAED analyses were performed on non-modified and modified electrodes to assess the formation and crystal structure of the Ni and the formed …
In Situ Crystallization of Active NiOOH/CoOOH Heterostructures …
Dec 11, 2019 · In situ X-ray diffraction tests verify the crystallization of active β-NiOOH during OER, and the crystallized NiOOH/CoOOH contributes to the excellent OER cycling stability in …
Promoted self-construction of β-NiOOH in amorphous high …
Feb 1, 2022 · High entropy concept is utilized to design NiFeCoMnAl oxide as OER catalyst. Fe can modify oxygen intermediates binding energy on Ni active sites. Mn doping can promote …
γ-NiOOH electrocatalyst derived from a nickel dithiooxamide …
Aug 1, 2022 · In this work, catalytically active gamma-nickel oxyhydroxide (γ-NiOOH) was obtained from a two-dimensional (2D) nickel (II) dithiooxamide Ni (dto) chelate polymer via in …
Figure 1: XRD patterns of A) α-Ni(OH)2, B) β-Ni(OH)2, and C) NiO...
Microstructural studies by SEM and XRD analysis show significant differences between precipitates obtained from the two types of baths (modified and unmodified with ammonia).
Phase Transition Kinetics via Operando Monitoring Electro …
3 days ago · XRD further shows no characteristic patterns for SR _P-NMO and SR _NMO after activation, while SR _Ni (OH) 2 has discernible XRD patterns of the crystalline γ-NiOOH …
Understanding of Ni (OH)2 / NiOOH Irreversible Phase
Feb 5, 2018 · X-ray diffraction (XRD) analyses were carried out using a Brüker D5000 diffractometer equipped with Cu Kα radiation and with a secondary graphite monochromator …
XRD pattern of the as-prepared Ni (OH) 2 precursor.
Nickel oxide (NiO) nanorings were synthesized by controllable thermal decomposition of precursor Ni (OH) (2) nanoplates obtained via the reaction between Ni (NO (3))·6H (2)O and NaOH under...
Controlled hydrothermal synthesis of ball-flower Ni (OH)2/NiOOH ...
Jul 11, 2015 · Herein, we designed a facile hydrothermal route for successful preparation of ball-flower Ni (OH) 2 /NiOOH composites with rosin-based betaine zwitterionic surfactant as …
Fabrications of High-Capacity Alpha-Ni (OH)2 - MDPI
Mar 8, 2017 · The XRD patterns of WM02 and WM12 in pristine, charged, and discharged states are compared in Figure 8. According to the XRD results, both WM02 and WM12 started with a …
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