Research Article
Evaluation of A-Site Ba2+-Deficient BaCo0.4Fe0.4Zr0.1Y0.1O Oxides as Electrocatalysts for Efficient Hydrogen Evolution Reaction
Figure 3
High-resolution SEM image and the corresponding EDX element mapping of (a) BaCFZY, (b) Ba0.99CFZY, (c) Ba0.95CFZY, and (d) BSCF.
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