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. 2023 Jul 9;8(3):298. doi: 10.3390/biomimetics8030298

Figure 9.

Figure 9

(a) Synchrotron-based Ni L3 edge peak position of single-doped and dual-doped Ni catalysts. (b) LSV curves of the single−doped Ni catalysts. (c,d) LSV curves and Tafel plot of the dual−doped N−P−Ni, S−P−Ni, S−N−Ni, and Pt/C. (e) Comparison of N−P−Ni (η10) with other noble metal-based catalysts. (f) Chronoamperometric curves and LSV (inset) of N−P−Ni in a long-term stability test. (Reprinted with permission from Ref. [106], Copyright 2019, American Chemical Society).