TY - RPRT TI - Composition, Activity, and Stability of IrO x Oxygen Evolution Reaction Electrocatalysts AU - Li, Zhao [Argonne National Laboratory (ANL), Argonne, IL (United States). Chemical Sciences and Engineering Division] (ORCID:0000000158970833) AU - Dang, Ngoc [Argonne National Laboratory (ANL), Argonne, IL (United States). Chemical Sciences and Engineering Division] AU - Sweers, Matthew E. [Argonne National Laboratory (ANL), Argonne, IL (United States). Chemical Sciences and Engineering Division] (ORCID:0000000240406502) AU - Wang, Xiaoping [Argonne National Laboratory (ANL), Argonne, IL (United States). Chemical Sciences and Engineering Division] AU - Kariuki, Nancy [Argonne National Laboratory (ANL), Argonne, IL (United States). Chemical Sciences and Engineering Division] AU - Park, Jae Hyung [Argonne National Laboratory (ANL), Argonne, IL (United States). Chemical Sciences and Engineering Division] AU - Kropf, A. Jeremy [Argonne National Laboratory (ANL), Argonne, IL (United States). Chemical Sciences and Engineering Division] (ORCID:0000000233294493) AU - Chuang, Andrew [Argonne National Laboratory (ANL), Argonne, IL (United States). X-ray Science Division] AU - Ilavsky, Jan [Argonne National Laboratory (ANL), Argonne, IL (United States). X-ray Science Division] AU - Xu, Wenqian [Argonne National Laboratory (ANL), Argonne, IL (United States). X-ray Science Division] (ORCID:0000000248156253) AU - Myers, Deborah J. [Argonne National Laboratory (ANL), Argonne, IL (United States). Chemical Sciences and Engineering Division] (ORCID:0000000192993916) AU - Yu, Haoran [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] (ORCID:0000000173042840) AU - Foucher, Alexandre C. [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] (ORCID:0000000150424002) AU - Yang, Xiaoxuan [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] AU - Lyu, Xiang [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] (ORCID:0000000208673248) AU - Kingsley, Joseph [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)] AU - Serov, Alexey [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] AU - van Eijk, Lonneke [Colorado School of Mines, Golden, CO (United States)] AU - Stelmacovich, Genevieve [Colorado School of Mines, Golden, CO (United States)] AU - Pylypenko, Svitlana [Colorado School of Mines, Golden, CO (United States)] (ORCID:000000017982734X) AU - Hamlyn, Rebecca [Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). Chemical Sciences Division] AU - Crumlin, Ethan [Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). Chemical Sciences Division; Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)] (ORCID:000000033132190X) AU - Popov, Ivan [Univ. of Tennessee, Knoxville, TN (United States)] (ORCID:0000000272352043) PY - 2026 DO - 10.1021/acscatal.6c00906 UR - https://www.osti.gov/biblio/3374035 ID - 3374035 ER -