期刊论文

Wu, Fang;Hou, J

英文

Materials Science and Engineering B-Advanced Functional Solid-State Materials

0921-5107

2025

319

118372

10.1016/j.mseb.2025.118372

CRediT authorship contribution statement Jiani Hu: Investigation, Methodology, Validation, Writing – original draft. Lei Ma: Data curation, Formal analysis, Validation. Wang Jiang: Software, Visualization. Zhangjin Xie: Validation, Visualization. Fang Wu: Conceptualization, Project administration, Writing – review & editing. Jie Hou: Supervision, Resources, Acquisition. Acknowledgements This work was supported by the National Natural Science Foundation of China (Grant Nos: 51802200 ) and the Startup for Talents at University of South China .

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Strategic engineering of B-site coordination environment in K 2 NiF 4 -type oxides presents a rational pathway to optimize electrocatalytic functionality. Herein, Co substitution in La 1.2 Sr 0.8 NiO 4+δ (LSNO) induces structural reorganization that accommodates excess interstitial oxygen species, enabling dual enhancement of ionic transport with 30-fold enhanced oxygen diffusion and 3.5–11.1-fold improved proton migration. The NiO-BaZr 0.1 Ce 0.7 Y 0.2 O 3-δ |BaZr 0.1 Ce 0.7 Y 0.2 O 3-δ |La 1.2 Sr 0.8 Ni 0.5 Co 0.5 O 4+δ (LSNCO) cell demo...