{"id":"W4412749810","doi":"10.1007/978-3-031-86110-9_13","title":"Future Pathways and Technological Advances of Fuel Cell and Hydrogen Technologies for Ships","year":2025,"lang":"en","type":"book-chapter","venue":"","topic":"Maritime Transport Emissions and Efficiency","field":"Environmental Science","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"Mount Royal University","funders":"","keywords":"Fuel cells; Hydrogen technologies; Engineering; Hydrogen fuel; Hydrogen economy; Chemical engineering","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":[0.0004731504,0.0007493843,0.0002849145,0.0007564696,0.000540413,0.00285659,0.0009398615,0.001102234,0.02934764],"category_scores_gemma":[0.0004581832,0.0002951726,0.0005929089,0.001190171,0.0006652555,0.004141012,0.0008517713,0.001560366,0.007814949],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001864025,"about_ca_system_score_gemma":0.002010463,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002884672,"about_ca_topic_score_gemma":0.005401444,"domain_scores_codex":[0.9997973,0.00002718963,0.000006451799,0.0000263225,0.0001142159,0.00002865491],"domain_scores_gemma":[0.9998932,0.00003242755,0.000006916653,0.000008951395,0.00004609552,0.00001240943],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"not_applicable","study_design_scores_codex":[0.00007650048,0.0001481728,0.0002341248,0.001293689,0.00001575299,0.0001964978,0.0003252751,0.004260433,0.01030536,0.4173148,0.1202103,0.4456191],"study_design_scores_gemma":[0.000004033871,0.00004539322,0.0002097939,0.0002907715,0.000005663348,0.0001234484,0.0001534093,0.001279605,0.001659178,0.04028336,0.9559355,0.000009765662],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"other","genre_gemma":"review","genre_scores_codex":[0.006576439,0.2415802,0.01289882,0.01202273,0.004654647,0.00008895668,0.0004655977,0.0002329566,0.7214797],"genre_scores_gemma":[0.0323358,0.3444952,0.01846269,0.001574996,0.001218908,0.00009323841,0.0005996464,0.0001499315,0.6010695],"genre_candidate":"review","genre_consensus":null,"teacher_disagreement_score":0.02934764,"threshold_uncertainty_score":0.09817761,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007914037659116054,"score_gpt":0.1900047776831386,"score_spread":0.1820907400240225,"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."}}