Tracking the Role of Defect Types in Co3O4 Structural Evolution …
2023年1月18日 · Dynamic reconstruction of catalyst active sites is particularly important for metal oxide-catalyzed oxygen evolution reaction (OER). However, the mechanism of how vacancy …
Iridium single atoms incorporated in Co3O4 efficiently catalyze the ...
2022年12月14日 · The OER performances of Ir-Co 3 O 4 and as-prepared Co 3 O 4 in 0.5 M H 2 SO 4 were investigated on glassy carbon electrode (GCE) together with the commercial IrO 2 …
RuO2 sub‐nanocluster decorated Co3O4 as efficient and …
4 天之前 · Reasonably, the same pattern also occurs in the results under alkaline conditions, where the Tafel slope of 8-Ru-Co 3 O 4 /Ti is 68.3 mV dec −1, which is much lower than those …
Er-Doping Enhances the Oxygen Evolution Performance of Cobalt …
2024年9月5日 · We found that Er–Co 3 O 4 with 4% Er exhibited an OER overpotential of 321 ± 5 mV at a current density of 10 mA cm –2, maintaining good stability under operating conditions …
Be Aware of Transient Dissolution Processes in Co3O4 Acidic …
2025年1月14日 · Recently explored Co3O4 shows good activity and stability toward oxygen evolution reaction (OER) in acid; however, the stability is not adequately explained. Lack of …
Three-dimensional ordered mesoporous Co3O4 enhanced by …
2017年1月30日 · Herein, we fabricated three-dimensional (3D) highly ordered mesoporous Pd-Co3O4 composite materials as excellent electrocatalysts for OER in alkaline solution with high …
Efficient OER catalysis on Ir-doped Co3O4: Understanding
2024年4月22日 · Constructing electrocatalysts for the oxygen evolution reaction (OER) is crucial for advancing renewable energy systems. In this study, the OER performances of Ir-doped …
Inorganic–organic hybrid cobalt spinel oxides for catalyzing
2 天之前 · Herein, using the electrocatalytic OER as a model, the OER performance of (R–COO) x σ-Co 3 O 4−x in a 1.0 M KOH solution was evaluated using σ-Co 3 O 4−x, Co 3 O 4 and …
Tailoring Coordinated Steps with Ni-Substituted Co3o4 …
2025年2月17日 · The dopant Ni atoms modulate the *OH coverage on the surface to facilitate the deprotonation process and promote the coordinated steps of OER, which are beneficial for …
纳米人-哈佛大学JACS：La促进Co3O4的OER性能的机理
2024年12月20日 · 有鉴于此，哈佛大学Daniel G. Nocera等报道以La3+修饰的Co3O4表明金属离子掺杂增强电催化OER性能的机理。 本文要点： （1） 通过粉末XRD表征、Raman光谱 …