{"schema":"rootz.ai/sec-company/v1","layer":1,"cik":"0001744494","name":"ADVENT TECHNOLOGIES HOLDINGS, INC.","summary":"Advent Technologies Holdings, Inc. is an advanced materials and technology development company specializing in High Temperature Proton Exchange Membrane (HT-PEM) fuel cell technology with approximately 150 patents issued, pending, or licensed worldwide. The company develops and manufactures Membrane Electrode Assemblies (MEAs) and fuel cell stacks for stationary power markets (backup, off-grid, portable) and heavy-duty mobility markets (automotive, aviation, marine), utilizing fuels including hydrogen, methanol, e-Methanol, and renewable natural gas. Revenue is derived from Joint Development Agreements and Technology Assessment Agreements with global OEMs.","people":[],"products":[{"name":"Membrane Electrode Assembly (MEA)","type":"hardware","description":"Core electrochemical component of HT-PEM fuel cells, determining lifetime, power density, efficiency, and cost."},{"name":"HT-PEM Fuel Cell Stack","type":"hardware","description":"High-temperature proton exchange membrane fuel cell stack operating between 80C and 240C for multi-fuel applications."},{"name":"50 kW HT-PEM Portable Power Generator (RESCUE)","type":"hardware","description":"Dual-fuel portable power generator system designed for backup power during natural disasters, housed in 20-foot containers."}],"partnerships":[{"partner_name":"Airbus","partnership_type":"strategic","description":"Strategic partnership for aerospace sector fuel cell development.","start_date":null},{"partner_name":"Siemens Energy","partnership_type":"strategic","description":"Previous strategic partnership for maritime industry fuel cell applications.","start_date":null},{"partner_name":"Hyundai Motors","partnership_type":"development","description":"Joint Development Agreement for fuel cell technology development.","start_date":null},{"partner_name":"US Army","partnership_type":"development","description":"Development contracts for human portable power fuel cells.","start_date":null},{"partner_name":"DLR (Germany)","partnership_type":"development","description":"Project coordinator for the RESCUE project developing a 50 kW portable HT-PEM fuel cell backup power generator.","start_date":null}],"affiliations":[],"origin":{"leaf":"189f8a7c20f24fbf399a41e444f8c2b089fa364dc6a37e5bfa9a5c501194ce45","formula":"v2: sha256( sha256(content) || parent || source_accession )","content_sha256":"38699474f9ab0d6339acddd694bc52b9bda68229aceffa19200747a8311c2b81","parent":"824dcc52a3799795f7618f29e8f9d6ae1a797c14edb5e6c02e2547af99b82605","source":"0001829126-25-004289","chain":"sec.gov/EDGAR (retrieved over TLS, accession recorded) > origin.rootz.global extraction > this response","registry":"origin.rootz.global","verify":"Recompute it: sha256(sha256(<this response body minus the origin block>) || parent || source_accession). 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