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GB/T 36276-2023: 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 GB/T 36276: Historical versions
Similar standardsGB/T 36276-2023: 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/GBT36276-2023GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 27.180 CCS F 19 Replacing GB/T 36276-2018 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 PRC. Table of ContentsForeword... 3 1 Scope... 7 2 Normative references... 7 3 Terms, definitions, symbols... 7 4 Encoding... 10 5 Technical requirements... 12 6 Test methods... 23 7 Inspection rules... 76 8 Marking, packaging, transportation, storage... 84 Appendix A (Normative) Battery operating parameters... 86 Appendix B (Informative) Battery specification parameters... 90 Lithium ion battery for electrical energy storage1 ScopeThis document specifies the appearance, size and mass, electrical performance, environmental adaptability, durability performance, safety performance and other requirements of lithium-ion batteries for electric energy storage (referred to as "lithium- ion batteries"); describes the corresponding test methods; stipulates coding, normal working environment, inspection rules, marking, packaging, transportation and storage, etc. This document applies to the design, manufacturing, testing, inspection, operation, maintenance, and overhaul of lithium-ion batteries for electrical energy storage.2 Normative referencesThe contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, for dated reference documents, only the version corresponding to the date applies to this document; for undated reference documents, the latest version (including all amendments) applies to this document. GB/T 191 Packaging - Pictorial marking for handling of goods GB/T 2828.1 Sampling procedures for inspection by attributes - Part1.Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection GB/T 4857 (all parts) Packaging - Transport packages GB/T 5398 Test methods for large transport packages GB/T 16471 Dimensional and weight constraints for transport package DL/T 2528 Basic terminology of electric energy storage3 Terms, definitions, symbols3.1 Terms and definitions The terms and definitions as defined in DL/T 2528, as well as the following terms and definitions, apply to this document. 3.1.1 Rated power charging-discharge cycles Under specified conditions, when the battery is cyclically charged and discharged at rated power, the guaranteed value of number of cycles when the charge-discharge energy attenuate to the rated charging-discharge energy. 3.1.2 Nominal voltage of battery A voltage value which marks or identifies a type of battery. 3.1.3 Initialized charging Under specified conditions, the process where the battery is discharged to the discharge cut-off condition and then charged to the charge cut-off condition. 3.1.4 Initialized discharging Under specified conditions, the process where battery is charged to the charge cut- off condition and then discharged to the discharge cut-off condition. 3.1.5 Rate charge-discharge The process of charge-discharge the battery at a power value higher than the rated power, under specified conditions.4 EncodingThe coding rules for lithium-ion batteries for electric energy storage are as shown in Figure 1.5 Technical requirements5.1 Normal working environment The normal working environment of the battery shall meet the following requirements. a) Temperature. 5 °C ~ 45 °C. b) There is no condensation on the live parts. c) Altitude. Not greater than 2000 m; when it is greater than 2000 m, it meets the high-altitude performance requirements in this document. d) The air does not contain sand, dust, conductive, corrosive, or explosive particles and gases that may affect normal operation. 5.2 Appearance, size, mass 5.2.1 Battery cells The appearance, size, mass of battery cells shall meet the following requirements. a) The appearance is free of scratches, deformation and damage; the positive and negative poles are free of rust; the markings are correct and clear; b) The absolute deviation of thickness shall not be greater than 2 mm; the relative deviation of other dimensions shall not be greater than 1.0%; c) The relative mass deviation is not greater than 1.5%; d) The volumetric energy density is not less than the nominal value of the volumetric energy density; e) The mass energy density is not less than the nominal mass energy density. 5.2.2 Battery module The appearance, size, mass of the battery module shall meet the following requirements. a) The appearance is not deformed or damaged; the structure is complete; the nameplate and marking are correct and clear; b) The absolute deviation of dimensions meets the requirements of Table 1; c) The relative mass deviation is not greater than 1.5%; d) The volumetric energy density is not less than the nominal value of the volumetric energy density; e) The mass energy density is not less than the nominal mass energy density.6 Test methods6.1 Test conditions 6.1.1 Test environment Unless otherwise specified, the test shall be conducted in an environment at a temperature of 15 °C to 40 °C, a relative humidity of ≤ 80%, an atmospheric pressure of 86 kPa to 106 kPa. 6.1.2 Test equipment 6.1.2.1 Measuring instruments The main technical indicators of measuring instruments shall meet the requirements of Table 2. 6.1.2.2 Charge-discharge device The main technical indicators of the charge-discharge device shall meet the requirements of Table 3. 6.1.2.3 Environmental simulation device The main technical indicators of the environmental simulation device shall meet the requirements of Table 4. 6.1.2.4 Adiabatic simulation device The main technical index of the adiabatic simulation device shall meet the requirements of Table 5. 6.1.2.5 Insulation withstanding voltage test device The main technical indicators of the insulation withstanding voltage test device shall meet the requirements of Table 6. Table 6 -- Main technical index requirements of insulation withstanding voltage 6.1.2.6 Short circuit test device The main technical indicators of the short circuit test device shall meet the requirements of Table 7. 6.2 Test preparation 6.2.1 Test sample preparation Test sample preparation shall meet the following requirements. a) The battery module is composed of battery cells that meet the type inspection requirements of this document； the battery cluster is composed of battery modules that meet the type inspection requirements of this document; b) The number of samples meets the requirements of inspection rules; c) Please refer to Table B.1, Table B.2, Table B.3 of Appendix B for the battery specification parameter table; d) Provide written documentation of the location of the battery cell's explosion-proof valve or pressure relief point; e) During the battery cell test process, in addition to the inspection items of appearance, size and mass, high temperature adaptability, low temperature adaptability, storage performance, extrusion performance, drop performance, adiabatic temperature rise characteristics, other inspection items can choose to use solid steel or aluminum clamp; f) The test sample is connected to the test device through an external connector. The external connector can withstand the maximum current during the test without fusing; g) Before the test, prepare a test plan and formulate safety protection measures based on the safety risks of the test sample. During the electrical performance test, environmental adaptability test, durability performance test process, if the test sample has expansion, rupture, leakage, smoke, fire, explosion, etc., it shall terminate all inspection items corresponding to the test sample. 6.2.2 Test line connection 6.2.2.1 Battery cells Unless otherwise specified, battery cell's test circuit connections shall comply with the following requirements. a) Select test equipment based on test temperature, humidity, battery cell size, voltage, power and other parameters; b) The positive and negative poles of the battery cells are connected to the test equipment through input and output cables, to form a current loop; c) The positive and negative electrodes of the battery cells are connected to the test equipment through voltage data sampling lines, to form a voltage data collection loop; d) The battery cell temperature sampling point and the test equipment are connected through the temperature data sampling line, to form a temperature data collection loop. For inspection items that do not use fixtures, the temperature sampling point of the battery cell is the center position of the plane with a larger surface area of the battery cell. For inspection items using fixtures, the temperature sampling point of the battery cell is the center position of the side of the battery cell. 6.2.2.2 Battery module Unless otherwise specified, battery module's test circuit connections shall comply with the following requirements. a) Select test equipment based on test temperature, humidity, battery module size, voltage, power and other parameters; b) The positive and negative poles of the battery module are connected to the test equipment through input and output cables, to form a current loop; c) The positive and negative poles of the battery module and battery cell are connected to the test equipment through voltage data sampling lines, to form a voltage data collection loop; d) The battery module's temperature sampling point and the test equipment are connected through a temperature data sampling line, to form a temperature data collection loop. The battery module's temperature sampling point includes fixed sampling points of the positive electrode busbar and negative electrode busbar of the battery module and no less than 2 representative random sampling points; e) For battery modules using liquid cooling, the liquid cooling system can work during the power characteristic test, rate charge-discharge performance test, cycle performance test. During the cycle performance test, the liquid inlet temperature at the sample end is consistent with the test temperature. The high temperature adaptability test, low temperature adaptability test, storage performance test, liquid cooling pipeline pressure resistance performance test before draining the coolant, filling other test items with coolant and disconnecting the liquid cooling system before testing. 6.2.2.3 Battery cluster Unless otherwise specified, battery cluster's test circuit connections shall comply with the following requirements. a) Select test equipment based on test temperature, humidity, battery cluster size, voltage, power and other parameters; b) The positive and negative poles of the battery cluster are connected to the test equipment through input and output cables, to form a current loop; c) The test equipment and the battery management system of the battery cluster are connected through communication lines, to form a control and protection loop; d) The positive and negative electrodes of battery clusters, battery modules and battery cells are connected to the test equipment through voltage data sampling lines, to form a voltage data collection loop; e) The battery cluster's temperature sampling point and the test equipment are connected through a temperature data sampling line, to form a temperature data collection loop. 6.2.3 Test parameter setting Battery test parameter settings shall meet the following requirements. a) The test parameter setting values meet the requirements of Table A.1; b) The working parameter values of the battery cells, battery modules, battery clusters are unique and consistent with the working parameter values of the battery in actual use; c) Unless otherwise specified, during the test process of battery cells and battery modules, the secondary alarm value of charge-discharge voltage and the secondary alarm temperature of high and low temperature of battery cells are used as the test protection setting values; d) Unless otherwise specified, the battery cluster's test process takes the secondary alarm value of charge-discharge voltage, the secondary alarm value of charge- discharge current, the secondary alarm of high and low temperature of the battery cell, the secondary alarm of voltage range of battery cluster charge-discharge battery module, the secondary alarm value of voltage range of battery cell charge- discharge battery module, the secondary alarm value of temperature range of battery cluster charge-discharge battery cell, as the test protection setting values.7 Inspection rules7.1 Inspection categories and inspection items Inspection is divided into exit-factory inspection, type inspection, sampling inspection. The inspection categories and inspection items shall meet the requirements of Table 20. 7.2 Exit-factory inspection 7.2.1 Exit-factory inspection rules Each production batch of products shall undergo exit-factory inspection according to the inspection sequence before leaving the factory. The exit-factory inspection shall meet the requirements of Table 21. 7.2.2 Determination rules During the exit-factory inspection, if the inspection items of all test samples meet the requirements, they will be judged to have passed the exit-factory inspection; if any test item of any test sample does not meet the requirements, it will be judged to have failed the exit-factory inspection. 7.3 Type inspection 7.3.1 Situations requiring type inspection Type inspection shall be carried out under any of the following circumstances. a) New products are put into production; b) Factory address change; c) Resume production after more than one year of suspension; d) There are significant changes in structure, process or materials; e) Contractual agreement. 7.3.2 Type inspection rules The battery module's type inspection shall be completed before the battery cluster's type inspection; the battery cell's type inspection shall be completed before the battery module's type inspection. The type inspection shall be carried out in the inspection order and shall comply with the inspection rules in Table 22. 7.3.3 Determination rules During type inspection, if the inspection items of all test samples meet the requirements, they will be judged to have passed the type inspection; if any test item of any test sample does not meet the requirements, they will be judged to have failed the type inspection. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB/T 36276-2023 be delivered?Answer: The full copy PDF of English version of GB/T 36276-2023 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB/T 36276-2023_English with my colleagues?Answer: Yes. 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