{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9647256","patent":{"patent_number":"US-9647256","title":"Battery, battery pack, electronic apparatus, electrically driven vehicle, electrical storage device, and power system","assignee":null,"inventors":[],"filing_date":"2014-08-21T00:00:00.000Z","publication_date":"2017-05-09T00:00:00.000Z","cpc_codes":["H02J","H02J","H02J","H02J","H02J","H02J","H02J"],"num_claims":18,"abstract":"Provided is a battery in which an area density S (mg/cm2) of a positive electrode active material layer is 27 mg/cm2 or greater, and a porous film included in a separator has a structure satisfying the following Expressions.0.04≦Ri≦−0.07L−0.09×S+4.99Ri=τ2L/ε′ε′=[{(L×ε/100)−Rz×0.46/3}/L]×100τ={(1.216×ε′Td×10−4)/L}0.5  (Expressions)"},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Battery, battery pack, electronic apparatus, electrically driven vehicle, electrical storage device, and power system","description":"Provided is a battery in which an area density S (mg/cm2) of a positive electrode active material layer is 27 mg/cm2 or greater, and a porous film included in a separator has a structure satisfying th","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9647256","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-9647256","citation_suggestion":"Patentable. \"Battery, battery pack, electronic apparatus, electrically driven vehicle, electrical storage device, and power system\" (US-9647256). https://patentable.app/patents/US-9647256","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9647256","json":"https://patentable.app/api/llm-context/US-9647256","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:47:12.537Z"}