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Ta-doped charge-transferring Ir shells on Ru cores: dual stabilisation and synergistic OER catalysis for PEMWE
Han Wang1, Tianxi Wen1, Xinyi Gong2
1College of Materials Science and Engineering, Hunan Province Key Laboratory for Advanced Carbon Materials and Applied Technology, Hunan University, Changsha 410082, P. R. China. xiaohuachen@hnu.edu.cn.
Abstract:
Balancing the activity-stability trade-off of IrRu-based OER catalysts is critical for PEMWE. We design Ta-doped charge-transfer Ir shells on Ru nanorod cores (Ta-IrRuOx@IrOx), in which the Ir shell physically protects the Ru core, and the Ta dopants stabilise the Ir shell via electron donation, providing dual stabilisation.
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