Selective-leaching method to fabricate an Ir surface-enriched Ir-Ni oxide electrocatalyst for water oxidation

@article{Xu2016SelectiveleachingMT,
  title={Selective-leaching method to fabricate an Ir surface-enriched Ir-Ni oxide electrocatalyst for water oxidation},
  author={Shuai Xu and Shengli Chen and Lihong Tian and Qinghua Xia and Weiping Hu},
  journal={Journal of Solid State Electrochemistry},
  year={2016},
  volume={20},
  pages={1961-1970}
}
Durable and precious metal-lean electrocatalyst for water oxidation in acidic media would be of great significance for the large-scale application of acidic water electrolysis. Here, we report an Ir-Ni binary oxide electrocatalyst for the oxygen evolution reaction (OER) fabricated by acid leaching of Ni from Ni-rich composite oxides prepared using pyrolysis method. This Ni-leached binary oxide possesses Ir-enriched surface, porous morphology, and rutile phase structure of IrO2 with contracted… CONTINUE READING

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