{"id":"W2916606343","doi":"10.1002/adma.201807615","title":"PGM‐Free Cathode Catalysts for PEM Fuel Cells: A Mini‐Review on Stability Challenges","year":2019,"lang":"en","type":"review","venue":"Advanced Materials","topic":"Electrocatalysts for Energy Conversion","field":"Energy","cited_by":560,"is_retracted":false,"has_abstract":true,"ca_institutions":"Institut National de la Recherche Scientifique","funders":"Natural Sciences and Engineering Research Council of Canada; Innovationsfonden; U.S. Department of Energy","keywords":"Proton exchange membrane fuel cell; Catalysis; Materials science; Cathode; Degradation (telecommunications); Transition metal; Oxygen reduction reaction; Fuel cells; Carbon fibers; Platinum; Chemical engineering; Nanotechnology; Inorganic chemistry; Electrode; Chemistry; Electrochemistry; Organic chemistry; Composite material; Physical chemistry","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0005176971,0.0008883587,0.001069771,0.00187831,0.0002272732,0.0008393344,0.0006020474,0.0009281978,0.003385673],"category_scores_gemma":[0.0005319169,0.0004546347,0.0005895472,0.001694825,0.0002142121,0.001240576,0.0005581665,0.001197679,0.001872141],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003522401,"about_ca_system_score_gemma":0.0007670146,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0007731407,"about_ca_topic_score_gemma":0.001415402,"domain_scores_codex":[0.9998283,0.00002057783,0.00002922441,0.00003451184,0.00006921883,0.00001815104],"domain_scores_gemma":[0.9997384,0.0001292071,0.00003762984,0.000007921393,0.0000721012,0.00001469735],"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":[0.00005766335,0.0001076033,0.0001701314,0.0584146,0.000150787,0.0002352452,0.00009099202,0.0008124968,0.01145913,0.007272874,0.02752531,0.8937032],"study_design_scores_gemma":[0.000007548759,0.0001025414,0.0004718063,0.003304012,0.0001450462,0.000543105,0.00005225779,0.0002035214,0.002431011,0.001297637,0.9914207,0.00002091753],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"review","genre_gemma":"review","genre_scores_codex":[0.0003086955,0.9978047,0.0002517179,0.0001635054,0.0002037137,0.000008134695,0.00003660873,0.00001085749,0.0012121],"genre_scores_gemma":[0.001229368,0.9973258,0.0003168684,0.0001215501,0.0001077774,0.00001310214,0.00005250717,0.000002832418,0.0008302475],"genre_candidate":"review","genre_consensus":"review","teacher_disagreement_score":0.003385673,"threshold_uncertainty_score":0.01132619,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0778506096827295,"score_gpt":0.3271733849307618,"score_spread":0.2493227752480323,"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."}}