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. 2022 May 25;36(12):6362–6373. doi: 10.1021/acs.energyfuels.2c00784

Table 2. BEs of the Ni 2p3/2 Levels for the Calcined Catalysts and Ni2+/CeO2 Atomic Ratios.

  Ni 2p3/2
  Ni2+ Ni2+/CeO2
catalysts BE (eV) a.u.
Ni/CeO2 852.9–854.7 1.84
Na–Ni/CeO2 853.2–854.9 0.77
K–Ni/CeO2 853.0–854.7 0.58
Cs–Ni/CeO2 852.8–854.6 0.58