TY - RPRT TI - Mechanism-Informed Breakdown: Understanding Degradation by Controlling Voltage-Hold Patterns in Proton Exchange Membrane Water Electrolyzers AU - Chan, Ai-Lin [National Renewable Energy Laboratory (NREL), Golden, CO (United States)] AU - Hayden, Steven C. [National Renewable Energy Laboratory (NREL), Golden, CO (United States)] AU - Harvey, Steven P. [National Renewable Energy Laboratory (NREL), Golden, CO (United States)] (ORCID:0000000161207062) AU - Smeaton, Michelle A. [National Renewable Energy Laboratory (NREL), Golden, CO (United States)] (ORCID:0000000191141009) AU - Okrucky, Caleb [National Renewable Energy Laboratory (NREL), Golden, CO (United States)] AU - Watt, John [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States). Center for Integrated Nanotechnologies (CINT)] (ORCID:0000000280129837) AU - Uličná, Soňa [National Renewable Energy Laboratory (NREL), Golden, CO (United States)] AU - Spurgeon, Steven R. [National Renewable Energy Laboratory (NREL), Golden, CO (United States); Colorado School of Mines, Golden, CO (United States); Univ. of Colorado, Boulder, CO (United States). Renewable and Sustainable Energy Institute (RSEI)] (ORCID:000000031218839X) AU - Jungjohann, Katherine L. [National Renewable Energy Laboratory (NREL), Golden, CO (United States)] (ORCID:0000000281321230) AU - Alia, Shaun M. [National Renewable Energy Laboratory (NREL), Golden, CO (United States)] (ORCID:0000000276479383) PY - 2026 DO - 10.1021/acsaem.5c03160 UR - https://www.osti.gov/biblio/3017380 ID - 3017380 ER -