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Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email. MHT1052-2013: (Air house transportation lithium battery test specification) Status: Valid
Basic dataStandard ID: MH/T 1052-2013 (MH/T1052-2013)Description (Translated English): (Air house transportation lithium battery test specification) Sector / Industry: Civil Aviation Industry Standard (Recommended) Word Count Estimation: 35,349 Date of Issue: 16/1/2013 Date of Implementation: 1/5/2013 Issuing agency(ies): Civil Aviation Administration of China MHT1052-2013: (Air house transportation lithium battery test specification)---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.Tests for lithium batteries transported by air ICS 03.220.50 V 52 MH Civil Aviation Industry Standard of the People's Republic of China Air transport lithium battery test specification 2013-01-16 released 2013-05-01 Implementation Issued by Civil Aviation Administration of China Table of contentsForeword...II 1 Scope...1 2 Normative references...1 3 Terms and definitions...1 4 UN38.3 Test...4 5 1.2 m drop test of package...11 6 Test report...11 7 Appraisal of air transportation conditions for lithium battery cargo...12 Appendix A (informative appendix) UN38.3 test report sample...13 Appendix B (informative appendix) 1.2 m drop test report sample for package...25 Appendix C (informative appendix) Sample of Appraisal Form for Air Transport Conditions of Lithium Battery Cargo...29ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed and interpreted by the Transportation Department of the Civil Aviation Administration of China. This standard was approved by the Aircraft Airworthiness Certification Department of the Civil Aviation Administration of China. This standard is under the jurisdiction of the China Academy of Civil Aviation Science and Technology. This standard was drafted by the Civil Aviation Science and Technology Research Institute of China, and the Shanghai Research Institute of Chemical Industry participated in the drafting. The main drafters of this standard. Li Yuhong, Feng Zhuo, Ding Hongliang, Chen Jie, Zhao Xiaochen, Yan Shichang. Air transport lithium battery test specification1 ScopeThis standard specifies the air transportation test of lithium batteries, the 1.2 m drop test of the package, the test report and the air transportation of lithium battery cargo. Requirements for a piece of appraisal. This standard applies to the test before air transportation of lithium batteries and the identification of air transportation conditions of lithium battery cargo.2 Normative referencesThe following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. MH/T 1020 Air Transport Specification for Lithium Batteries IATA "Dangerous Goods Regulations" (2013 edition) United Nations "Recommendations on the Transport of Dangerous Goods-Manual of Tests and Standards" ST/SG/AC.10/11/Rev.53 Terms and definitionsThe following terms and definitions established by MH/T 1020 apply to this document. 3.1 Component cell The battery cell contained in the battery. 3.2 Prismatic cell or battery The end faces are similar, equal and parallel straight lines, and the side faces are parallelogram-shaped battery cells or batteries. 3.3 Large cell Battery cells with a total weight of more than 500 g. 3.4 Small cell Battery cells with a total weight not exceeding 500 g. 3.5 Large battery MH Lithium metal batteries or lithium ion batteries with a total weight of more than 12 kg. 3.6 Small battery Lithium metal batteries or lithium ion batteries with a total weight not exceeding 12 kg. 3.7 Aggregate lithium content The sum of the lithium content of each battery cell that makes up the battery (in grams). 3.8 Nominal voltage Used to mark or identify the approximate value of the battery cell or battery voltage. 3.9 Open circuit voltage The voltage between battery cells or battery poles when no external current flows. 3.10 Rated capacity The capacity of the cell or battery measured according to the load, temperature and cut-off voltage specified by the manufacturer (in ampere hours or milliampere hours). 3.11 Nominal energy Watt-hour rating The energy value (in watt-hours) of a battery cell or battery determined under specified conditions published by the manufacturer. Note. The nominal energy is calculated by multiplying the nominal voltage by the rated capacity (in ampere hours). 3.12 Protective devices Devices (such as fuses, diodes, current limiters, etc.) that cut off current, prevent current from flowing in one direction, or limit current flow on a circuit. 3.13 Venting The process of releasing excessive internal pressure inside the battery cell or battery in a designed manner to avoid the battery cell or battery from rupturing or disintegrating. 3.14 Model type A specific electrochemical system and structural design of a battery cell or battery. 3.15 Cycle A rechargeable battery cell or battery completes a full charge and full discharge process. 3.16 First cycle The first charge and discharge cycle after all manufacturing processes are completed. 3.17 Short circuit The positive and negative poles of the battery cell or battery are directly connected, making the current path impedance almost zero. 3.18 Fully charged The rechargeable cell or battery is fully charged to the designed rated capacity. 3.19 Fully discharged Non-rechargeable battery cells or batteries are completely discharged to the point where they lose 100% of their rated capacity; or rechargeable battery cells or batteries are discharged to life The cut-off voltage specified by the manufacturer. 3.20 Disassembly Venting or rupture caused the solid matter of the battery cell or any part of the battery to pass through the wire mesh screen placed 25 cm away from the battery cell or battery (straight The soft aluminum wire with a diameter of 0.25 mm has a mesh density of 6 to 7 aluminum wires per centimeter). 3.21 Effluent Liquid or gas released when battery cells or batteries are exhausted or leaked. 3.22 Fire The flame is released from the test cell or battery. 3.23 Leakage MH Visible electrolyte or other substances leaking from the battery cell or battery, or the battery cell or battery material (excluding battery case, operation The quality loss of the device or label) exceeds the value in Table 1. 3.24 Rupture Mechanical damage to the battery cell container or battery shell caused by internal or external causes causes the contents to be exposed or overflow without spraying solid matter. 3.25 Lithium battery cargo lithium battery cargo Various types of lithium battery packages for cargo transportation, including lithium batteries that are transported separately, Lithium batteries packaged and shipped with equipment and lithium batteries installed and transported in equipment. 4 UN38.3 test 4.1 Test scope 4.1.1 UN38.3 test items include. a) T.1 height simulation test; b) T.2 temperature test; c) T.3 vibration test; d) T.4 impact test; e) T.5 external short circuit test; f) T.6 impact and extrusion test; g) T.7 overcharge test; h) T.8 forced discharge test. For the content and requirements of each test item, see 4.3.All lithium battery cells should be tested for T.1～T.6 and T.8.All non-rechargeable lithium batteries Cells, including lithium batteries containing battery cells that have passed the test, should be tested from T.1 to T.5.All rechargeable lithium batteries, including Lithium batteries with battery cells that pass the test should be tested for T.1 to T.5 and T.7.Rechargeable single cell battery with overcharge protection device should Perform T.7 test. The constituent battery cells that will not be transported separately from the battery only need to test T.6 and T.8.The constituent battery cells transported separately from the battery shall be tested as the battery cells. 4.1.2 If the battery cell or battery has one of the following differences from the tested model, it shall be regarded as a new model and undergo the required tests. a) For non-rechargeable battery cells and batteries, the mass change of cathode, anode or electrolyte exceeds 0.1 g or 20% (whichever is greater); b) For rechargeable battery cells and batteries, the nominal energy change exceeds 20% or the nominal voltage increases by more than 20%; c) Changes that will cause any test to fail. Note. Model changes that result in different models from the tested models (such as changes that will cause any test result to fail) may include but are not limited to the following. --Change of anode, cathode, diaphragm or electrolyte material; -Change of protection device, including hardware and software; --Change of battery cell or battery safety design, such as exhaust valve; --Change in the number of battery cells; --Change of the connection mode of the battery cell. 4.1.3 If a lithium battery cell or battery does not meet one or more test requirements, it is deemed to have failed the test. The manufacturer should take measures Correct the defect that caused the failure, and then retest the battery cell or battery model. 4.2 Test samples 4.2.1 When testing T.1 to T.5 for non-rechargeable battery cells and batteries, they shall meet the following quantity and requirements. a) 10 undischarged battery cells; b) 10 fully discharged battery cells; c) 4 small batteries in undischarged state; d) 4 small batteries in a fully discharged state; e) 4 large batteries in undischarged state; f) 4 large batteries in a fully discharged state. 4.2.2 When rechargeable battery cells and batteries are tested T.1 to T.5, they shall meet the following quantity and requirements. a) 10 battery cells that are fully charged after the first cycle; b) 4 small batteries that are fully charged after the first cycle; c) 4 small batteries in a fully charged state after 50 cycles; d) 2 large batteries that are fully charged after the first cycle; e) 2 large batteries in a fully charged state after 25 cycles. 4.2.3 During test T.6, non-rechargeable battery cells and rechargeable battery cells shall meet the following quantity and requirements. a) For non-rechargeable battery cells, 5 battery cells in undischarged state and 5 battery cells in fully discharged state; b) For the constituent battery cells of non-rechargeable batteries, 5 battery cells in an undischarged state and 5 battery cells in a fully discharged state; c) For rechargeable battery cells, 5 battery cells that have been cycled for the first time at 50% of the designed rated capacity; d) For the constituent battery cells of the rechargeable battery, 5 battery cells that have been in the state of 50% of the designed rated capacity after the first cycle. 4.2.4 Rechargeable batteries or rechargeable single-cell batteries shall meet the following quantity and condition requirements during test T.7. a) 4 small batteries that are fully charged after the first cycle; b) 4 small batteries in a fully charged state after 50 cycles; c) 2 large batteries that are fully charged after the first cycle; d) 2 large batteries in a fully charged state after 25 cycles. Note. If the battery is not equipped with overcharge protection, if it is only used for the battery assembly with overcharge protection, it will not be restricted by this test requirement. 4.2.5 During test T.8, non-rechargeable battery cells, rechargeable battery cells and constituent battery cells shall meet the following quantity and requirements. a) 10 fully discharged non-rechargeable battery cells; b) 10 fully discharged non-rechargeable battery cells; c) 10 rechargeable battery cells that are fully discharged after the first cycle; d) 10 rechargeable battery cells that are fully discharged after the first cycle; e) 10 rechargeable battery cells in a fully discharged state after 50 cycles; f) 10 complete battery cells can be recharged after 50 cycles. 4.2.6 When fully charged, the total lithium content of all anodes does not exceed 500 g, or the rated watt-hour does not exceed 6.200 Wh lithium-ion battery assembly, when the assembled batteries have passed the required test, the battery assembly should be fully charged Conduct T.3 ~ T.5 test for electrical state, and T.7 test for rechargeable battery assembly. For rechargeable battery assemblies, at least 25 cycles should be completed. When fully charged, the total lithium content of all anodes exceeds 500 g for battery assemblies, or the rated watt-hour exceeds 6.200 Wh Lithium-ion battery assembly, when the assembled batteries have passed the required test, if the battery assembly is equipped with a monitorable battery assembly It is not necessary to test a system that can prevent short circuits, or overdischarge between batteries of the assembly, and any overheating or overcharging of the assembly. 4.2.7 The sample requirements and test items of non-rechargeable lithium battery cells and batteries are shown in Table 2. 4.2.8 The sample requirements and test items of rechargeable lithium battery cells and batteries are shown in Table 3. 4.3 Test procedures and requirements 4.3.1 Basic requirements For the same battery cell or battery, T.1 ~ T.5 tests should be performed in sequence. T.6 and T.8 tests should use untested batteries Cell or battery. The T.7 test can be carried out using batteries that have not been damaged in the T.1 to T.5 tests before, in order to evaluate the cycled batteries. Line verification. 4.3.2 Height simulation test T.1 4.3.2.1 Purpose This test simulates the low pressure conditions in air transport. 4.3.2.2 Test process The test cell and battery should be stored for at least 6 hours at an ambient temperature of (20±5) ℃ and a pressure less than or equal to 11.6 kPa. MH 4.3.2.3 Requirements If the battery cell and battery have no leakage, no exhaust, no disassembly, no rupture, no fire, and each tested battery cell or battery after the test The open circuit voltage is not lower than 90% before the test, then the test requirements are met. There is no voltage requirement for the tested battery cell and battery in a fully discharged state. 4.3.3 Temperature test T.2 4.3.3.1 Purpose This test evaluates the integrity and internal electrical connection of the battery cell and battery. This test is carried out through rapid and extreme temperature changes. 4.3.3.2 Test process The cell and battery to be tested should be stored at the test temperature (72±2) ℃ for at least 6 h, and then stored at the test temperature (-40±2) ℃ At least 6 h. The maximum time interval of extreme test temperature is 30 min. This process is repeated until the end of ten complete cycles. Will be all The test cell and battery are stored for 24 hours at an ambient temperature of (20±5) ℃. For large cells and batteries, the storage time under extreme temperatures is at least 12 hours. 4.3.3.3 Requirements If there is no leakage, exhaust, disintegration, rupture or fire of battery cells and batteries, and the open circuit of each tested battery cell or battery after the test If the pressure is not lower than 90% before the test, the test requirements are met. There is no voltage requirement for the tested battery cell and battery in a fully discharged state. 4.3.4 Vibration test T.3 4.3.4.1 Purpose This test simulates vibration during transportation. 4.3.4.2 Test process The battery cell and battery are fastened on the platform of the vibration equipment, and the cell or battery should not be deformed, and the vibration can be faithfully transmitted. Vibration application The sine wave performs a logarithmic sweep between 7 Hz and.200 Hz, and returns to 7 Hz within 15 minutes. This cycle should deal with the 3 battery cells perpendicular to each other Repeat 12 times for each surface for 3 h. One vibration direction should be perpendicular to the terminal surface. The logarithmic sweep has the following differences between battery cells and small batteries that do not exceed 12 kg, and large batteries that exceed 12 kg. --For battery cells and small batteries. maintain a peak acceleration of 1 gn from 7 Hz until reaching 18 Hz. Keep the amplitude at 0.8 mm (total Offset 1.6 mm), increase the frequency until the peak acceleration reaches 8 gn (about 50 Hz). Then keep peak acceleration 8 gn until The frequency is increased to.200 Hz; --For large batteries. maintain a peak acceleration of 1 gn from 7 Hz until reaching 18 Hz. Keep the amplitude at 0.8 mm (total offset 1.6 mm), Increase the frequency until the peak acceleration reaches 2 gn (about 25 Hz). Maintain peak acceleration of 2 gn until the frequency increases to.200 Hz. 4.3.4.3 Requirements If there is no leakage, venting, disintegration, rupture or fire during and after the test of the battery cell and battery, and after the test (the third vertical plane After the test) The open circuit voltage of each tested battery cell or battery is not lower than 90% of the value before the test, then the test requirements are met. For fully discharged There is no voltage requirement for the tested battery cell and battery. 4.3.5 Impact test T.4 4.3.5.1 Purpose This test simulates possible shocks during transportation. 4.3.5.2 Test process The cell and battery to be tested shall be fastened to the test equipment in a firm manner, which can support all surfaces of each battery under test. Each electricity The cell or battery should be impacted by a half-sine wave with a peak acceleration of 150 gn and a pulse time of 6 ms. The positive direction of the face is subjected to 3 shocks each, and the negative direction is subjected to 3 shocks each, a total of 18 times. Large battery cells and large batteries should be impacted by a half-sine wave with a peak acceleration of 50 gn and a pulse time of 11 ms. Each cell or battery Should withstand 3 shocks in the positive direction of the three vertical planes, and 3 shocks in the negative direction, a total of 18 times. 4.3.5.3 Requirements If there is no leakage, exhaust, disintegration, rupture or fire of battery cells and batteries, and the open circuit of each tested battery cell or battery after the test If the pressure is not lower than 90% before the test, the test requirements are met. There is no voltage requirement for the tested battery cell and battery in a fully discharged state. 4.3.6 External short circuit test T.5 4.3.6.1 Purpose This test simulates an external short circuit. 4.3.6.2 Test process The battery cell or battery should be tested when the case temperature is stable at (55±2) ℃, and then the battery cell or battery should be tested at (55±2) ℃, Perform a short circuit under the condition of an external resistance of less than 0.1 Ω, and continue for at least 1 h after the temperature of the battery cell or battery case returns to (55±2) ℃. After the test, the cell or battery should be observed for another 6 hours. 4.3.6.3 Requirements During the test and within 6 hours after the test, if the temperature of the battery cell or battery case does not exceed 170 ℃, and there is no disassembly, cracking or flaking Fire meets the test requirements. 4.3.7 Impact and crush test T.6 4.3.7.1 Purpose This test simulates the possibility of internal short circuit due to mechanical abuse caused by impact or extrusion. 4.3.7.2 Impact test process The impact test is applicable to cylindrical battery cells with a diameter greater than 18 mm. Place the battery cell or sample of the constituent battery cells on a flat and smooth surface. Put a piece of 316 stainless steel with a diameter of (15.8±0.1) mm The rod is placed across the center of the sample. The length of the steel rod is at least 6 cm, or the longest dimension of the battery cell, whichever is greater. Put a piece The (9.1±0.1) kg weight falls on the intersection of the steel bar and the specimen fro......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of MHT1052-2013_English be delivered?Answer: Upon your order, we will start to translate MHT1052-2013_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 6 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of MHT1052-2013_English with my colleagues?Answer: Yes. The purchased PDF of MHT1052-2013_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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