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GB/T 18333.2-2015 PDF in English


GB/T 18333.2-2015 (GB/T18333.2-2015, GBT 18333.2-2015, GBT18333.2-2015)
Standard IDContents [version]USDSTEP2[PDF] delivered inName of Chinese StandardStatus
GB/T 18333.2-2015English85 Add to Cart 0-9 seconds. Auto-delivery. Zinc-air batteries for electric road vehicle Valid
GB/T 18333.2-2001EnglishRFQ ASK 3 days Zinc-air batteries for electric road vehicles Obsolete
Standards related to (historical): GB/T 18333.2-2015
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GB/T 18333.2-2015: PDF in English (GBT 18333.2-2015)

GB/T 18333.2-2015 ICS 43.080 T 47 GB NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA Replacing GB/Z 18333.2-2001 Zinc-air batteries for electric road vehicle ISSUED ON. FEBRUARY 04, 2015 IMPLEMENTED ON. SEPTEMBER 01, 2015 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of the People's Republic of China. Table of Contents Foreword ... 3 1 Scope ... 4 2 Normative references ... 4 3 Terms and definitions ... 4 4 Symbol ... 5 5 Requirements ... 6 6 Test methods ... 8 7 Testing rules ... 17 8 Marks, packaging, transport and storage ... 18 Foreword This Standard was drafted in accordance with the rules specified in GB/T 1.1-2009. This Standard replaces GB/Z 18333.2-2001 Zinc-air batteries for electric road vehicle. As compared with GB/Z 18333.2-2001, besides the editorial changes, the main technical changes are as the follows. - MODIFY the applicable scope of this Standard; - MODIFY the test object and the corresponding test items; as for the cell, it mainly assesses the safety performance; as for the module, it assesses the electrical performance and safety performance; - ADD the I5 detection capacity, I3 detection power characteristics, high & low temperature discharge capacity, charge retention, and battery repetitiveness after replacing the negative electrode and the electrolyte; - ADD the safety performance requirements and test methods of the cell (see 5.1.10 and 6.2.10); - ADD battery module, appearance, polarity, dimension and mass, pourability, discharge performance, safety performance, vibration resistance requirements and test methods (see 5.2 and 6.3); - MODIFY the service life requirements and test methods for the air cathode (see 5.1.9 and 6.2.9). This standard was proposed by the Ministry of Industry and Information Technology. This standard shall be under the jurisdiction of National Automotive Standardization Technical Committee (SAC/TC 114). The drafting organizations of this Standard. Wuhan Hongyuan Weili New Energy Technology Co., Ltd., Dongfeng Yangtse (Wuhan) Co., Ltd., Tianjin University, China Electronics Technology Group Corporation 18th Research Institute, China Automotive Technology Research Center. The main drafters of this Standard. Liu Weichun, Lei Hongjun, Qin Xue, Ma Hongbin, Meng Xiangfeng. This Standard replaces the standards previously issued as follows. - GB/Z 18333.2-2001. Zinc-air batteries for electric road vehicles 1 Scope This standard specifies the terms and definitions, symbols, requirements, test methods, inspection rules, marks, packaging, transport and storage of the zinc-air batteries for electric vehicles (abbreviated as battery). This standard applies to the zinc-air battery used for the electric vehicles which are supplemented energy through mechanical switching methods. 2 Normative references The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this Standard. GB/T 2423.17-2008 Environmental testing for electric and electronic products – Part 2. Test method – Test Ka. Salt mist (IEC 60068-2-11. 1981, IDT) GB/T 2900.41 Electrotechnical terminology – Primary and secondary cells and batteries [IEC 60050 (482). 2003, IDT] GB/T 19596 Terminology of electric vehicles 3 Terms and definitions The terms and definitions as defined in GB/T 2900.41 and GB/T 19596 as well as those shown below are applicable to this document. 3.1 Zinc air battery It is a device which uses the oxygen in the air as the cathode active substance, the zinc as the anode active substance, the alkaline solution as electrolyte, so as to convert the chemical energy into electrical energy. 3.2 Mechanical switching zinc air battery It refers to the zinc air battery which realizes energy supplementation through mechanically replacing the zinc electrode and electrolyte. 3.3 Cell It refers to a basic unit device which directly converts the chemical energy into electrical energy. It is composed of electrode, diaphragm, electrolyte, housing and terminal; AND meanwhile it has multiple energy replenishment process design. 3.4 Module It refers an assembly which combines more than one cell through series connection, parallel connection, and series & parallel combined connection, only has one pair of positive & negative output terminals, AND is used as a power supply. It is allowed for this assembly to be with an electronic control system. 3.5 Rated capacity It is the energy (Wh) discharged by the cell under room temperature at I5 (A) current until reaching to the final voltage, which is supplied by the enterprise, hereinafter shortly referred to as the rated capacity. 4 Symbol The following symbols apply to this document. C5 – The 5-hour rated capacity, in the unit of ampere hour (Ah); C5' – The 5-hour actual capacity after standing for 7 days, in the unit of ampere hour (Ah); I5 – The 5-hour rate discharge current, its value is equal to C5/5, in the unit of ampere (A); I3 – The 3-hour rate discharge current, its value is equal to C3/3, in the unit of ampere (A); It shall conduct test within 1 month after the zinc electrode is fabricated. Before test, all the battery cases shall be injected of electrolyte solution, AND be standing for over 24 hours. In all the soaked battery cases, RE-INJECT new electrolyte solution, and PLACE in the zinc electrode to be tested, which form the cell or module test sample, AND it shall be under full charge state. 6.2 Cell test 6.2.1 Appearance Visual inspection 6.2.2 Polarity USE the voltmeter to check the terminal voltage of the cell under test, to see whether it is consistent with the terminal polarity identification. 6.2.3 Dimension and mass 6.2.3.1 USE the general or special meter to measure the cell dimensions. 6.2.3.2 USE the general or special weighing scale to weigh the cell mass. 6.2.4 Pourability TILT the cell under test from the height direction (Y direction) along the horizontal direction (X direction) for 90°; HOLD it for 30 s; CONDUCT visual inspection. 6.2.5 Discharge performance test At 25°C ± 2°C conditions. a) The cell is discharging at I5 AND the final voltage is 0.8V; MEASURE its discharge time; CALCULATE the discharge capacity C5; REPLACE the negative electrode and electrolyte; REPEAT test for 3 times; CALCULATE the discharge capacity average value; b) The cell is discharging at I3 AND the final voltage is 0.8V; MEASURE its discharge time; CALCULATE the discharge capacity C3; REPLACE the negative electrode and electrolyte; REPEAT test for 3 times; CALCULATE the discharge capacity average value. 6.2.6 Low temperature test PLACE the cell under test into the temperature -20°C ± 2°C environmental test chamber for 12h; then MAKE it discharge at I5 AND the final voltage at 0.6V; 6.2.10 Safety and reliability tests All safety tests are conducted under conditions having sufficient environmental protection; if there is active protection circuit, it shall be removed. 6.2.10.1 Short circuit test After the cell is fully charged through mechanical switching method as specified in 6.1.3, LET the cell be standing at the 25 °C ± 2 °C test environment conditions for 30 min; USE an appropriate conductor (resistance ≤ 5 mΩ) to directly make short circuit between the positive terminal AND negative terminal of the cell for 50 s. OBSERVE it for 1 h. 6.2.10.2 Drop test After the cell is fully charged through mechanical switching method as specified in 6.1.3, LET the cell be standing at the 25 °C ± 2 °C test environment conditions for 30 min; when the cell terminal is downwards, MAKE it drop onto the cement floor under gravity from 1.5 m height; OBSERVE it for 1 h. 6.2.10.3 Heating test After the cell is fully charged through mechanical switching method as specified in 6.1.3, CONDUCT the heating test in accordance with the following steps. a) PLACE the cell into the temperature box; MAKE the box temperature increase to 130 °C ± 2°C at the rate of 5 °C/min; MAINTAIN this temperature for 30 min; STOP heating; b) OBSERVE it for 1 h. 6.2.10.4 Over discharge test After the cell is fully charged through mechanical switching method as specified in 6.1.3, CONDUCT the over discharge test in accordance with the following steps. a) MAKE the cell discharge at 2I3 (A) current, until the cell voltage reaches to 0 V; CONTINUE forcedly discharge at 2I3 (A) current for 30 min; b) OBSERVE it for 1 h. 6.2.10.5 Salt mist test 6.3.5 Discharge performance test At 25°C ± 2°C conditions. a) MAKE the fully charged module which is composed of n cells in series connection discharge at I5, AND the final voltage is n × 0.8 V; MEASURE the discharge time; CALCULATE t... ......
 
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.