{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9768631","patent":{"patent_number":"US-9768631","title":"Power supply system and voltage control method for fuel cell","assignee":null,"inventors":[],"filing_date":"2015-11-05T00:00:00.000Z","publication_date":"2017-09-19T00:00:00.000Z","cpc_codes":["H02J"],"num_claims":13,"abstract":"A voltage control method for a fuel cell may include: interrupting electrical connection between the fuel cell and a load in a low load state; supplying oxygen to the fuel cell in accordance with a preset condition during the electrical connection is interrupted; detecting an OCV of the fuel cell after oxygen is supplied to the fuel cell in accordance with the preset condition; reducing an amount of oxygen supplied to the fuel cell when the OCV is higher than a target voltage by a first value or larger; increasing the amount of oxygen when the OCV is lower than the target voltage by a second value or larger; and keeping the amount of oxygen when the OCV is lower than a sum of the target voltage and the first value and higher than a value obtained by subtracting the second value from the target voltage."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Power supply system and voltage control method for fuel cell","description":"A voltage control method for a fuel cell may include: interrupting electrical connection between the fuel cell and a load in a low load state; supplying oxygen to the fuel cell in accordance with a pr","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9768631","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9768631","citation_suggestion":"Patentable. \"Power supply system and voltage control method for fuel cell\" (US-9768631). https://patentable.app/patents/US-9768631","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9768631","json":"https://patentable.app/api/llm-context/US-9768631","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:34:38.155Z"}