{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11936220","patent":{"patent_number":"US-11936220","title":"Energy storage device and system, and power system","assignee":null,"inventors":[],"filing_date":"2021-12-27T00:00:00.000Z","publication_date":"2024-03-19T00:00:00.000Z","cpc_codes":["H02J","H02J","H02J","H02J","H02J"],"num_claims":11,"abstract":"Embodiments of this application provide an energy storage device and system as well as a power system, and relate to the technical field of a power grid. The energy storage device includes: at least two parallel-connected energy storage units, where each energy storage unit includes: a battery cluster and a power conversion system; and the battery cluster includes at least two cells; a direct-current side of the power conversion system is electrically connected to the battery cluster, an alternating-current side of the power conversion system is configured to electrically connect to an input side of an alternating-current combiner cabinet, and an output side of the alternating-current combiner cabinet is configured to electrically connect to an alternating-current side of a transformer. The energy storage device is configured to improve safety and reliability of the energy storage system."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Energy storage device and system, and power system","description":"Embodiments of this application provide an energy storage device and system as well as a power system, and relate to the technical field of a power grid. The energy storage device includes: at least t","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11936220","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-11936220","citation_suggestion":"Patentable. \"Energy storage device and system, and power system\" (US-11936220). https://patentable.app/patents/US-11936220","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11936220","json":"https://patentable.app/api/llm-context/US-11936220","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T12:19:58.082Z"}