TY - RPRT TI - Using X-ray radiography to study oxygen flow in a proton exchange membrane electrolyzer operating under balanced pressure conditions AU - Chabot, Florian M. [Univ. of California, Irvine, CA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)] AU - Firas, Nausir Mahmoud [Univ. of California, Irvine, CA (United States)] (ORCID:0000000163130206) AU - Chang, Hung-Ming [Univ. of California, Irvine, CA (United States)] (ORCID:0000000277153350) AU - Nejma, Mohammed Hicham [Univ. of California, Irvine, CA (United States)] (ORCID:0009000583442465) AU - Lang, Jack T. [Univ. of California, Irvine, CA (United States)] (ORCID:0000000230600475) AU - Yang, Patrick [Univ. of California, Irvine, CA (United States)] (ORCID:0000000151315326) AU - Parkinson, Dilworth Y. [Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)] (ORCID:0000000218170716) AU - Zenyuk, Iryna V. [Univ. of California, Irvine, CA (United States)] (ORCID:0000000216120475) PY - 2025 DO - 10.1016/j.fuel.2025.137272 UR - https://www.osti.gov/biblio/3022483 ID - 3022483 ER -