{"id":"W4414209648","doi":"10.26434/chemrxiv-2025-w8v86","title":"Simulating Transient Pore-Scale Behaviour of Platinum Degradation in PEM Fuel Cells Using Pore Network Modeling","year":2025,"lang":"en","type":"preprint","venue":"ChemRxiv","topic":"Fuel Cells and Related Materials","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Waterloo","funders":"","keywords":"Platinum; Proton exchange membrane fuel cell; Electrolyte; Membrane; Degradation (telecommunications); Oxide; Agglomerate","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001649994,0.000305846,0.0002619332,0.0002156893,0.0002181815,0.0004678145,0.0005380653,0.001023426,0.0006656141],"category_scores_gemma":[0.0007827481,0.0002329021,0.0004137401,0.0002271687,0.0003989588,0.0006738754,0.0003118496,0.00041823,0.00008143728],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008901695,"about_ca_system_score_gemma":0.0004727316,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.009526318,"about_ca_topic_score_gemma":0.004516759,"domain_scores_codex":[0.9999353,0.00001387276,0.000002935877,0.00001447471,0.00001938747,0.00001397909],"domain_scores_gemma":[0.9997584,0.0001593916,0.00002633626,0.00001757056,0.00002556126,0.00001275241],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.00001225066,0.00001256454,0.0003472891,0.00001326319,0.000003809013,0.00003468856,0.00001604171,0.992049,0.005742322,0.0009363021,0.00003814693,0.0007942539],"study_design_scores_gemma":[0.000001536014,0.00000309311,0.00006843781,5.976884e-7,7.065835e-7,0.000004233526,0.000002974391,0.9987613,0.0009170668,0.0001712511,0.00006764423,0.00000116612],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7538763,0.0004160733,0.2344464,0.0003259332,0.00004067462,0.00007785318,0.0004817021,0.0004447441,0.00989018],"genre_scores_gemma":[0.9867808,0.000173365,0.01144477,0.00002130346,0.000005544485,0.00005084198,0.00008992197,0.0000414459,0.001392057],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.009526318,"threshold_uncertainty_score":0.0189417,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02145840534563684,"score_gpt":0.2344735523614024,"score_spread":0.2130151470157656,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}