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GB/T 43522-2023: Guide to manufacture supervision of lithium ion battery for electrical energy storage Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 43522-2023: Guide to manufacture supervision of lithium ion battery for electrical energy storage---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT43522-2023 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 27.180 CCS F 19 Guide to manufacture supervision of lithium-ion battery for electrical energy storage Issued on: DECEMBER 28, 2023 Implemented on: JULY 01, 2024 Issued by. State Administration for Market Regulation; Standardization Administration of the People's Republic of China. Table of ContentsForeword... 3 1 Scope... 4 2 Normative references... 4 3 Terms and definitions... 5 4 Overall requirements... 5 5 Raw materials and components... 6 6 Production processes... 7 7 Finished product quality inspection... 8 8 Marking, packaging, transportation and storage... 9 Annex A (informative) Manufacture supervision log... 10 Annex B (informative) Notification for quality problems... 11 Annex C (informative) Manufacture supervision report... 12 Annex D (normative) Key items and witnessing methods for raw materials and components manufacture supervision... 13 Annex E (normative) Key items and witnessing methods for production process manufacture supervision... 19 Annex F (normative) Quality inspection items and witnessing methods for finished products... 26 Guide to manufacture supervision of lithium-ion battery for electrical energy storage1 ScopeThis document specifies the overall requirements for the manufacture supervision of the lithium-ion batteries for electric energy storage (referred to as "lithium-ion batteries"), as well as the manufacture supervision requirements for raw materials and components, production processes, finished product quality inspection, marking, packaging, transportation and storage. This document applies to the manufacture supervision of the lithium-ion batteries for power energy storage.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 191, Packaging and storage marks GB/T 4798.2, Classification of environmental conditions - Classification of groups of environmental parameters and their severities - Part 2.Transportation and handling GB/T 13384, General specifications for packing of mechanical and electrical product GB 21966, Safety of primary and secondary lithium cells and batteries during transport GB/T 24533, Graphite negative electrode materials for lithium-ion battery GB/T 30835, Lithium iron phosphate-carbon composite cathode materials for lithium-ion battery GB/T 30836, Lithium titanium oxide and its carbon composite anode materials for lithium-ion battery GB/T 33143, Aluminium and aluminium alloy foils for lithium-ion batteries GB/T 36146, Rolled copper foil for lithium-ion battery GB/T 36276, Lithium-ion battery for electrical energy storage GB/T 36363, Polyolefin separator for lithium-ion battery GB/T 38296, Internal connecting wires and cables of electrical equipment DL/T 586, The technical guide of manufacture supervision for manufacturing equipment of electric power DL/T 2528, Basic Terms of Electric Energy Storage SJ/T 11723, Electrolyte solution used for lithium-ion battery YS/T 821, Aluminum alloy cover board for battery3 Terms and definitionsFor the purposes of this document, the terms and definitions defined in DL/T 586 and DL/T 2528 apply.4 Overall requirements4.1 The scope of manufacture supervision of lithium-ion battery shall include raw materials and components, production process, finished product quality inspection, marking, packaging, transportation and storage. 4.2 Lithium-ion battery manufacture supervision can adopt working methods such as document witnessing (R), on-site witnessing (W), shutdown witnessing (H), and instrument inspection (I). 4.3 The responsibilities, division of labor and processes for lithium-ion battery manufacture supervision shall meet the requirements of DL/T 586. 4.4 Lithium-ion battery manufacture supervisors shall master the standards for lithium- ion battery production, manufacturing, inspection and testing, and be familiar with the manufacturing process, key quality control nodes and inspection and testing methods. 4.5 Before manufacture supervision, a manufacture supervision outline and implementation plan for lithium-ion batteries shall be prepared. The main contents shall include the documents and materials required for manufacture supervision, manufacture supervision scope, manufacture supervision items, etc. 4.6 During the manufacture supervision, the quality management system, environmental management system, occupational health and safety management system, relevant technical standards, product type test reports and other relevant documents of the manufacturing unit's lithium-ion battery production process shall be reviewed; the qualifications of production personnel shall be checked; and the manufacturing, inspection, testing and other equipment and manufacturing site environment shall be reviewed to meet production requirements. 4.7 During the manufacture supervision, the raw materials, components, production process, finished products and their production equipment, production environment (including on-site foreign matter control), process documents and process, and finished product quality inspection of lithium-ion batteries shall be inspected and witnessed. The raw materials, components, and finished products shall be sampled. For products that have been discontinued for more than half a year and are being re-produced or transferred to another factory, on-site witnessing shall be carried out according to the first batch and the first piece. 4.8 During the manufacture supervision process, records shall be kept of the documents to be checked, on-site witnesses (W), work stop witnesses (H), instrument inspections (I), etc., and a manufacture supervision log shall be filled in. The format is shown in Table A.1 in Annex A. 4.9 The manufacture supervision site shall track the handling of problems found, form a closed-loop monitoring system, and fill out a quality problem notification form. The format is shown in Table B.1 in Annex B. 4.10 After the manufacture supervision is completed, the manufacture supervision report, witness record, special report and other required manufacture supervision quality documents shall be formed in time and archived. The manufacture supervision report format is shown in Table C.1 of Annex C.5 Raw materials and components5.1 The manufacture supervision of raw materials and components of lithium-ion batteries shall mainly include positive electrode materials, negative electrode materials, diaphragms, electrolytes, conductive agents, oily adhesives, water-based adhesives, copper foil, aluminum foil, cover plates, shells, connectors, sensors, cables, fasteners, cooling components and auxiliary materials. 5.2 The manufacture supervision of raw materials and components of lithium-ion batteries shall verify the quality certification documents such as the factory inspection records and certificates of raw materials and components. The inspection of positive electrode materials, negative electrode materials, diaphragms and electrolytes that have a greater impact on battery quality shall be supervised. On-site sampling shall be carried out when necessary. 5.3 The manufacture supervision of the raw materials and components for lithium-ion batteries shall check the inventory, storage environment, packaging and in-and-out records of the corresponding types of materials and components in the warehouse. Check whether they are consistent with the daily production and use. 5.4 The key items and witnessing methods for the manufacture supervision of raw materials and components of lithium-ion batteries shall meet the requirements of Annex D. Among them. The positive electrode materials of lithium-ion batteries shall meet the requirements of GB/T 30835.The negative electrode materials (graphite) shall meet the requirements of GB/T 24533.The negative electrode materials (lithium titanate and its carbon composite materials) shall meet the requirements of GB/T 30836.The battery separator shall meet the requirements of GB/T 36363.The aluminum foil shall meet the requirements of GB/T 33143.The copper foil shall meet the requirements of GB/T 36146.The electrolyte shall meet the requirements of SJ/T 11723.The cover shall meet the requirements of YS/T 821.The shell shall meet the requirements of GB/T 33143. The cable shall meet the requirements of GB/T 38296.6 Production processes6.1 The production process manufacture supervision of lithium-ion battery monomers shall include pulping, coating, rolling, pole piece drying, slicing, lamination (winding), shaping, packaging (soft pack), welding (hard shell), drying, liquid injection, formation, high temperature static, capacity sorting, self-discharge test and other main production processes and tests. The key manufacture supervision items and witnessing methods shall meet the requirements of Table E.1 in Annex E. 6.2 The production process manufacture supervision of lithium-ion battery modules shall include the main production processes and tests such as lithium-ion battery cell stacking, insulation test between cells, pole welding, sampling connection, submodule boxing (glue coating), submodule boxing (bolts), high and low voltage connection, and module testing. The key manufacture supervision items and witnessing methods shall meet the requirements of Table E.2. 6.3 The production process manufacture supervision of lithium-ion battery clusters shall include the main production processes and tests such as lithium-ion battery module stacking, high and low voltage connection of battery modules, cooling system assembly, high and low voltage connection between battery clusters, and battery cluster testing. The key manufacture supervision items and witnessing methods shall meet the requirements of Table E.3. 6.4 Production process manufacture supervision shall include witnessing the production process, witnessing the process record documents related to the production process, witnessing the performance of process node components, and witnessing the production and processing environment. 6.5 Before production, the battery production process documents, inspection documents, quality control documents, equipment maintenance point record documents, etc. shall be reviewed. The production and inspection equipment of each production process of lithium-ion batteries shall be checked. 6.6 Before production, check whether key data such as raw materials and semi-finished product inspection data are traceable. 6.7 During production, the online test data, offline test data and related test reports of each process shall be checked. The key tests shall be reviewed on site.7 Finished product quality inspection7.1 Finished product quality inspection and manufacture supervision shall include inspection of lithium-ion battery cells, modules and battery clusters. 7.2 Finished product quality inspection shall check the online test data, offline data and factory inspection reports during the production process of lithium-ion battery cells, modules and clusters. 7.3 Finished product quality inspection shall check whether all inspection items meet the requirements of the technical specifications. For unqualified inspection items, analysis is required. After finding out the reasons for the unqualified and taking improvement measures, re-inspection is carried out. 7.4 The quality inspection of finished lithium-ion battery monomers shall check the test reports of appearance, size, quality, initial charge and discharge performance, power characteristics, rate charge and discharge performance, high temperature adaptability, low temperature adaptability, high altitude initial charge and discharge performance test, energy retention and energy recovery capability, storage performance, cycle performance, overcharge performance, over discharge performance, overload performance, short circuit performance, extrusion performance, drop performance, adiabatic temperature rise performance and thermal runaway performance. The appearance, size, quality, initial charge and discharge performance, rate charge and discharge performance, overcharge performance, over discharge performance, overload performance, short circuit performance, adiabatic temperature rise performance and thermal runaway performance of battery monomers shall be sampled and reviewed. The inspection items and witnessing methods shall meet the requirements of Table F.1 in Annex F. 7.5 The quality inspection of finished lithium-ion battery modules shall include the test reports of appearance, size, quality, initial charge and discharge performance, power characteristics, rate charge and discharge performance, high temperature adaptability, low temperature adaptability, energy retention and energy recovery capability, storage performance, cycle performance, overcharge performance, over discharge performance, overload performance, short circuit performance, insulation performance, pressure resistance, extrusion performance, drop performance, vibration performance, cooling ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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