{"id":"W2171412439","doi":"10.1149/2.0921506jes","title":"Characterization of PEMFC Gas Diffusion Layer Porosity","year":2015,"lang":"en","type":"article","venue":"Journal of The Electrochemical Society","topic":"Fuel Cells and Related Materials","field":"Engineering","cited_by":104,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University","funders":"","keywords":"Porosity; Buoyancy; Gas pycnometer; Volume (thermodynamics); Gaseous diffusion; Materials science; Composite material; Gravimetric analysis; Wetting; Diffusion; Thermogravimetric analysis; Effective porosity; Mineralogy; Chemistry; Thermodynamics","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001817169,0.00007041654,0.0001596884,0.000007088588,0.00002057889,0.000009599546,0.0001464472,0.0001141325,0.00001641013],"category_scores_gemma":[0.00002061194,0.0000426246,0.0001783491,0.00008854104,0.00002271523,0.00005823107,0.00002905187,0.0002194295,0.000001415239],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00008121211,"about_ca_system_score_gemma":0.00002381178,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":8.448766e-7,"about_ca_topic_score_gemma":5.983809e-8,"domain_scores_codex":[0.9993905,0.00001580059,0.0002504399,0.00003713524,0.0001907666,0.0001153928],"domain_scores_gemma":[0.9996128,0.00001066339,0.0001440845,0.00007623105,0.00009595163,0.00006023691],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.00001512478,0.00002494443,0.0001111171,0.0000495494,0.00003647545,2.282433e-7,0.0002275079,0.00003006601,0.9986245,0.000003220871,0.0008529579,0.00002430242],"study_design_scores_gemma":[0.0002890007,0.00003180261,0.0003190191,0.00003186061,0.00003030105,0.00002311301,0.00001457268,0.0007811684,0.9965182,0.0002849499,0.001624484,0.00005154606],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9978581,0.0003612469,0.0008583601,0.0002092304,0.0004119225,0.00003693128,0.000001310389,0.00001340554,0.0002494727],"genre_scores_gemma":[0.9984341,0.0007142393,0.0005143888,0.00004618834,0.000215613,3.057706e-7,0.000002071398,0.00001168457,0.0000614229],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002106324,"threshold_uncertainty_score":0.1738181,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007628120633109314,"score_gpt":0.1921811842397027,"score_spread":0.1845530636065934,"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."}}