Room-Temperature Preparation of Cobalt-Based Electrocatalysts through Simple Solution Treatment for Selectively High-Efficiency Hydrogen Evolution Reaction in Alkaline or Acidic Medium

<div>(a) The total XPS survey spectra for the Co-P precursor and Co-Pi/CoP/NF and CoxOy/NF electrodes; XPS spectrum of (b) the Co2p3/2 region, (c) O1s region, and (d) P2p region for the Co-P precursor and Co-Pi/CoP/NF and CoxOy/NF electrodes.</div>

Journal of Nanomaterials

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Figure 4

Figure 4: Room-Temperature Preparation of Cobalt-Based Electrocatalysts through Simple Solution Treatment for Selectively High-Efficiency Hydrogen Evolution Reaction in Alkaline or Acidic Medium 

Figure 4 | Room-Temperature Preparation of Cobalt-Based Electrocatalysts through Simple Solution Treatment for Selectively High-Efficiency Hydrogen Evolution Reaction in Alkaline or Acidic Medium 