A highly active and stable IrOx/SrIrO3 catalyst for the oxygen evolution reaction

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Science  02 Sep 2016:
Vol. 353, Issue 6303, pp. 1011-1014
DOI: 10.1126/science.aaf5050

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  • RE: specific activity Fig S1

    I have a question in the specific activity or electrochemical surface area (ECSA) in this paper. I compared the OER current normalized to geo area and the specific current, and the two values (j geo and j spe to E in Fig S1) are very close, which means the ECSA is similar to the geo area. Can you kindly provide more information about the intrinsic catalyst activity calculation?
    Looking forward to your reply. Best wishes for you!

    Competing Interests: None declared.