QC/T 990-2014 PDF EnglishUS$220.00 · In stock · Download in 9 seconds
QC/T 990-2014: Zinc-air batteries for electric road vehicle Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Obsolete
QC/T 990-2014: Zinc-air batteries for electric road vehicle---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/QCT990-2014QC AUTOMOTIVE INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.080 T 47 Zinc-air Batteries for Electric Road Vehicle Issued on: JULY 9, 2014 Implemented on: NOVEMBER 1, 2014 Issued by. Ministry of Industry and Information Technology of the People's Republic of China Ministry of Industry and Information Technology of the People's Republic of China Announcement No. 47 of 2014 The Ministry of Industry and Information Technology has approved 676 industrial standards including Blister Packaging Machine (see Attachment for standard numbers, names, main contents and initial implementation dates), including 394 mechanical industry standards (including 16 standards of pharmaceutical equipment), 1 automotive industry standard, 41 aviation industry standards, 135 light industry standards, 37 textile industry standards, 4 packaging standards, 42 chemical industry standards, 6 petrochemical industry standards, 4 non-ferrous industry standards, 7 metallurgical standards, 2 building material industry standards, 1 electronic industry standard, 2 communication industry standards. The mechanical industry standards are published by China Machine Press; the standards of automotive, pharmaceutical equipment and packaging industry are published by China Planning Press; the aviation industry standards are published under the organization of AVIC China Aero-polytechnology Establishment; the light industry standards are published by China Light Industry Press; the standards of textile and non-ferrous industry are published by China Standards Press; the chemical industry standards are published by Chemical Industry Press; the petrochemical industry standards are published by China Petrochemcial Press; the metallurgical industry standards are published by Metallurgical Industry Press; the building material industry standards are published by China Building Materials Press; the electronic industry standard is published under the organization of China Electronics Standardization Institute of the Ministry of Industry and Information Technology; the communication industry standard is published by Posts and Telecom Press. Attachment. Number, name and initial implementation date of 1 automotive industry standard. Ministry of Industry and Information Technology of the People 's Republic of China July 9, 2014 Table of ContentsForeword ... 5 1 Application Scope ... 6 2 Normative References ... 6 3 Terms and Definitions ... 6 4 Symbols and Definitions ... 7 5 Requirements ... 8 6 Test Method ... 10 7 Inspection Rules ... 18 8 Marking, Packaging, Transportation and Storage ... 20 Zinc-air Batteries for Electric Road Vehicle1 Application ScopeThis standard specifies the terms and definitions, symbols and definitions, requirements, test method and marking, packaging, transportation and storage of zinc-air batteries for electric road vehicle (hereinafter referred to as batteries). This standard applies to zinc-air batteries for electric road vehicle using mechanical switching as the energy supplement method.2 Normative ReferencesThe provisions in following documents become the provisions of this Standard through reference in this Standard. For dated references, the subsequent amendments (excluding corrigendum) or revisions do not apply to this Standard, however, parties who reach an agreement based on this Standard are encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies. GB/T 2900.41-2008, Electrotechnical Terminology - Primary and Secondary Cells and Batteries GB/T 19596-2004, Terminology of Electric Vehicles (ISO 8713.2002, NEQ) GB/T 2423.17-2008, Environmental Testing for Electric and Electronic Products – Part 2. Test Method – Test Ka. Salt Mist3 Terms and DefinitionsFor the purposes of this Standard, those defined in GB/T 2900.41-2008 and GB/T 19596-2004 and the following terms and definitions apply. 3.1 zinc-air battery a device which transforms chemical energy into electric energy using the oxygen in the air as positive active material, zinc metal as negative active material and alkaline solution as electrolyte.5 Requirements5.1 Cell 5.1.1 Appearance Carry out inspection in accordance with 6.2.1. The appearance of battery shall be clean, intact without deformation, rust, crack or alkali liquor. Marking shall be clear, correct. 5.1.2 Polarity marking Carry out inspection in accordance with 6.2.2. Marking for the polarities of battery terminals shall be correct. 5.1.3 Shape, dimensions and mass Carry out inspection in accordance with 6.2.3. The shape, dimensions and mass of battery shall meet the specifications of the products supplied by the manufacturer. 5.1.4 Tilting Carry out inspection in accordance with 6.2.4. Battery shall have no leakage. 5.1.5 Discharge performance Carry out inspection in accordance with 6.2.5. When using I5 to discharge, the mean value of discharge capacity shall not be less than 95% of nominal capacity; when using I3 to discharge, the mean value of discharge capacity shall not be less than 65% of rated capacity. 5.1.6 Low-temperature performance Carry out inspection in accordance with 6.2.6. When battery is subjected to the test under specified conditions, the discharge capacity of battery shall not be less than 60% of the initial rated capacity; the terminals and appearance shall be intact. 5.1.7 High-temperature performance Carry out inspection in accordance with 6.2.7. When battery is subjected to the test under specified conditions, the discharge capacity of battery shall not be less than 80% of the initial rated capacity; the terminals and appearance shall be intact. 5.1.8 Charge retention Carry out inspection in accordance with 6.3.5, battery shall not have leakage. 5.2.5 Discharge performance Carry out inspection in accordance with 6.3.6. When using I5 to discharge, the discharge capacity shall not be less than 90% of nominal capacity; when using I3 to discharge, the discharge capacity shall not be less than 60% of rated capacity. 5.2.6 Safety and reliability 5.2.6.1 When short-circuit test is carried out in accordance with 6.3.7.1, there shall be no explosion or fire. 5.2.6.2 When squeeze test is carried out in accordance with 6.3.7.2, there shall be no explosion or fire. 5.2.6.3 When drop test is carried out in accordance with 6.3.7.3, there shall be no explosion or fire. 5.2.6.4 When heating test is carried out in accordance with 6.3.7.4, there shall be no explosion or fire. 5.2.6.5 When overdischarge test is carried out in accordance with 6.3.7.5, there shall be no explosion, fire or leakage. 5.2.6.6 When inspection is carried out in accordance with 6.3.7.6, product shall have necessary vibration resistance capacity. When subjected to the test under specified conditions, its discharge voltage shall be free from abnormalities and without mechanical damage, leakage, fire and explosion.6 Test Method6.1 Test conditions 6.1.1 Environmental conditions Unless specified otherwise, the test shall be carried out under the following environmental conditions. a) test temperature 25°C ± 2°C. b) relative humidity. 25% ~ 85%. c) atmospheric pressure. 86 kPa ~ 106 kPa. 6.2.2 Polarity Use a voltmeter to measure the terminal voltage of battery to be tested to determine whether it conforms to the marking of terminal polarity. 6.2.3 Shape, dimensions and mass 6.2.3.1 Use a general-purpose or special-purpose measuring tool to measure the external dimensions of cells. 6.2.3.2 Use a general-purpose or special-purpose to weigh the mass of cells. 6.2.4 Tilting Tilt cells to be tested 90° along the horizontal direction (X direction) from the height direction (Y direction); maintain it for 30 s; carry out visual inspection. 6.2.5 Discharge performance test At 25°C ± 2°C. a) cells discharge at I5 until final voltage is 0.8 V. measure their discharge time, calculate discharge capacity C5, replace negative electrode and electrolyte, repeat testing for 3 times and calculate the mean value of discharge capacity; b) cells discharge at I3 until final voltage is 0.8 V. measure their discharge time, calculate discharge capacity C3, replace negative electrode and electrolyte, repeat testing for 3 times and calculate the mean value of discharge capacity. 6.2.6 Low-temperature test Place the cell samples to be tested in a test chamber for 12 h at - 20°C ± 2°C; discharge at I5 until final voltage is 0.6 V. Measure their discharge time, calculate their discharge capacity and carry out visual inspection for the appearance of battery and the terminals of two poles. 6.2.7 High-temperature test Place cell samples to be tested in a test chamber for 4 h at 55°C ± 2°C; discharge at I5 until final voltage is 0.8 V. Measure their discharge time, calculate their discharge capacity and carry out visual inspection for the appearance of battery and the terminals of two poles... ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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