{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:QSIAWFPTW345XH4N5IPONZX6I6","short_pith_number":"pith:QSIAWFPT","schema_version":"1.0","canonical_sha256":"84900b15f3b6f9db9f8dea1ee6e6fe4791cfee8f8c6736df14713f4abc2d4edf","source":{"kind":"arxiv","id":"1810.13007","version":2},"attestation_state":"computed","paper":{"title":"Ambient Electro-Synthesis of Ammonia - Electrode Porosity and Composition Engineering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Debao Li, Geoffrey A. Ozin, Hong Wang, Jiayin Yuan, Le He, Lu Wang, Pengfei Song, Qiang Wang, Qiao Qiao, Shuyang Ye, Tom Wu, Wei Sun, Xiaohong Zhang, Yimei Zhu, Yue Shao, Zhiping Jiang","submitted_at":"2018-10-11T16:40:37Z","abstract_excerpt":"Ammonia, key precursor for fertilizer production, convenient hydrogen carrier and emerging clean fuel, plays a pivotal role in sustaining life on earth. Currently, the main route for NH3 synthesis is via the heterogeneous catalytic Haber-Bosch process (N2+3H2 - 2NH3), which proceeds under extreme conditions of temperature and pressure with a very large carbon footprint. Herein we report that a pristine nitrogen-doped nanoporous graphitic carbon membrane (NCM) can electrochemically convert N2 into NH3 in an aqueous acidic solution under ambient conditions. The Faradaic efficiency and rate of pr"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1810.13007","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-10-11T16:40:37Z","cross_cats_sorted":[],"title_canon_sha256":"9f14fa07be17d6c0d82e96821dd04d84d7ff3ee56445e6e6a9e06648504cd45e","abstract_canon_sha256":"e728e9687559c7194cc215d4e4d8ff58a1ff88f3fdf0d6018a4b5a92f4027cb5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:48.628218Z","signature_b64":"za5tXklOKNT3HogreaEAwlUWHUzNDxDiB045MBUn7HdrAEv3TndZTppk4SuCqMxg0y0RdEXZeE/NWnZ8X9MlAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"84900b15f3b6f9db9f8dea1ee6e6fe4791cfee8f8c6736df14713f4abc2d4edf","last_reissued_at":"2026-05-17T23:47:48.627300Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:48.627300Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ambient Electro-Synthesis of Ammonia - Electrode Porosity and Composition Engineering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Debao Li, Geoffrey A. Ozin, Hong Wang, Jiayin Yuan, Le He, Lu Wang, Pengfei Song, Qiang Wang, Qiao Qiao, Shuyang Ye, Tom Wu, Wei Sun, Xiaohong Zhang, Yimei Zhu, Yue Shao, Zhiping Jiang","submitted_at":"2018-10-11T16:40:37Z","abstract_excerpt":"Ammonia, key precursor for fertilizer production, convenient hydrogen carrier and emerging clean fuel, plays a pivotal role in sustaining life on earth. Currently, the main route for NH3 synthesis is via the heterogeneous catalytic Haber-Bosch process (N2+3H2 - 2NH3), which proceeds under extreme conditions of temperature and pressure with a very large carbon footprint. Herein we report that a pristine nitrogen-doped nanoporous graphitic carbon membrane (NCM) can electrochemically convert N2 into NH3 in an aqueous acidic solution under ambient conditions. The Faradaic efficiency and rate of pr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.13007","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1810.13007","created_at":"2026-05-17T23:47:48.627669+00:00"},{"alias_kind":"arxiv_version","alias_value":"1810.13007v2","created_at":"2026-05-17T23:47:48.627669+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.13007","created_at":"2026-05-17T23:47:48.627669+00:00"},{"alias_kind":"pith_short_12","alias_value":"QSIAWFPTW345","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_16","alias_value":"QSIAWFPTW345XH4N","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_8","alias_value":"QSIAWFPT","created_at":"2026-05-18T12:32:46.962924+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QSIAWFPTW345XH4N5IPONZX6I6","json":"https://pith.science/pith/QSIAWFPTW345XH4N5IPONZX6I6.json","graph_json":"https://pith.science/api/pith-number/QSIAWFPTW345XH4N5IPONZX6I6/graph.json","events_json":"https://pith.science/api/pith-number/QSIAWFPTW345XH4N5IPONZX6I6/events.json","paper":"https://pith.science/paper/QSIAWFPT"},"agent_actions":{"view_html":"https://pith.science/pith/QSIAWFPTW345XH4N5IPONZX6I6","download_json":"https://pith.science/pith/QSIAWFPTW345XH4N5IPONZX6I6.json","view_paper":"https://pith.science/paper/QSIAWFPT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1810.13007&json=true","fetch_graph":"https://pith.science/api/pith-number/QSIAWFPTW345XH4N5IPONZX6I6/graph.json","fetch_events":"https://pith.science/api/pith-number/QSIAWFPTW345XH4N5IPONZX6I6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QSIAWFPTW345XH4N5IPONZX6I6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QSIAWFPTW345XH4N5IPONZX6I6/action/storage_attestation","attest_author":"https://pith.science/pith/QSIAWFPTW345XH4N5IPONZX6I6/action/author_attestation","sign_citation":"https://pith.science/pith/QSIAWFPTW345XH4N5IPONZX6I6/action/citation_signature","submit_replication":"https://pith.science/pith/QSIAWFPTW345XH4N5IPONZX6I6/action/replication_record"}},"created_at":"2026-05-17T23:47:48.627669+00:00","updated_at":"2026-05-17T23:47:48.627669+00:00"}