图文解析1、催化剂的制备及形态表征Fig. 1. (a) Schematic diagram of the synthetic process. (b)
XRD patterns of NiFe0.5Ru0.1OxHy,
NiFe0.5OxHy, NiRu0.1OxHyand Fe0.5Ru0.1OxHy. (c) TEM
and (d) HRTEM image of NiFe0.5Ru0.1OxHy.
STEM image of (e) NiFe0.5Ru0.1OxHyand (f) the corresponding EDS elemental mapping. 2、电化学性能Fig. 2. LSV curves (a) and Tafel plots (b) of NiFe0.5Ru0.1OxHy,
NiFe0.5OxHy, NiRu0.1OxHy,
Fe0.5Ru0.1OxHy and RuO2catalysts. (c) Comparison with OER electrocatalysts. (d) Arrhenius plots of the
current at η = 300 mV. (e) Cdl curves. (f) Chronoamperometric curve
(inset: LSV comparison before and after stability test). 3、活性物种的识别Fig. 3. (a) Raman spectra of NiFe0.5Ru0.1OxHybefore and after soaking in 1 M KOH. (b) In situ Raman spectra of NiFe0.5Ru0.1OxHyduring the OER process at different potentials. XPS spectra of (c) Ni 2p, (d)
Fe 2p, (e) Ru 3d and (f) O 1s. 4、OER机理的研究Fig. 4. (a) Schematic illustration of the interaction of
different orbitals between Fe/Ru and O sites in NiFeOxHyand NiFeRuOxHy. (b) PDOS plots of Fe-O in NiFeOxHyand NiFeRuOxHy. (c) TDOS. (d) Differential charge
density. The yellow and cyan contours represent electron accumulation and
depletion, respectively. (e) Scheme of the OER pathways on NiFeRuOxHy.
(f) The standard free energy diagrams in the OER process on NiFeOxHy and NiFeRuOxHyat U = 0 and U = 1.23 V. 5、锌-空气电池性能的研究Fig. 5.(a) An illustrative diagram
of a ZAB with the NiFeRuOxHy cathode. (b) OCV plots. (c)
Discharge and power density curves. (d) Specific
capacity diagrams. (e) Discharge curves of the ZABs at different current
densities. (f) Long-term cycling stability at 5 mA cm−2.
