1、IEC 62619 于 2017 年 2 月 13 日发布，是储能电池的安全标准，属于自愿性认证。IEC 62619-Secondary cells and batteries containing alkaline or other non-acid electrolytes Safety requirements for secondary lithium cells and batteries, for use in industrial applications目前已认证厂家包括但不限于：厂家：大连中比（大连比克） 产品：电芯 26650厂家：中兴派能 产品：储能系统适用范围/产品1、
2、大容量工业用电池系统中的电芯、电池2、固定式：UPS、紧急电源装置、电力储备及相同用途的装置3、移动式：高尔夫球车、叉车、无人搬运车、铁路及海洋运输认证模式：型式测试-审厂-发证测试IEC 62619 侧重于储能电池和电池系统的安全要求，不仅对电芯和电池模块进行外部短路、撞击、跌落、热滥用、过充、强制放电等安全测试，而且对电池管理系统（BMS ）进行过充电压保护、过充电流保护、过热保护、耐热失控蔓延等功能进行评估。8.2 Reasonably foreseeable misuse试验项目 章节号 标准要求External short circuit test (cell or cell blo
3、ck)8.2.1 Fully charged cells are stored in an ambient temperature of 25 C 5 C. Each cell is then short circuited by connecting the positive and negative terminals with a total external resistance of 30 +/-10 m.The cells are to remain on test for 6 h or until the case temperature declines by 20 % of
4、the maximum temperature rise, whichever is the soonerImpact test (cell or cell block)8.2.2 The test sample is to be placed on a flat surface. A 15,8 mm diameter bar is to be placed across the centre of the sample. A 9,1 kg mass is to be dropped from a height of 61 2,5 cm onto the bar placed on the s
5、ample.A cylindrical or prismatic cell is to be impacted with its longitudinal axis parallel to the flat surface and perpendicular to the longitudinal axis of the 15,8 mm diameter curved surface lying across the centre of the test sample. A prismatic cell is also to be rotated 90 degrees around its l
6、ongitudinal axis so that both the wide and narrow sides will be subjected to the impact. Each sample is to be subjected to only a single impact with separate samples to be used for each impact. (see figure 2)Drop test (cell or cell block, and battery system)8.2.3 The drop test is conducted on a cell
7、 or cell block, and battery system*. The test method and the height of the drop are determined by the test unit weight as shown in the table 2.Whole drop test (cell or cell block, and battery system)8.2.3.1 Each fully charged test unit is dropped three times from a height shown in table 2 onto a con
8、crete floor.In the case of the mass of test unit is less than 7kg, the test units are dropped so as to obtain impacts in random orientations. In the case of the mass of test unit is 7kg or more and less than 20 kg, the test shall be performed with the test unit dropped in the bottom down direction.
9、The bottom surface of the test unit is specified by the manufacturer.After the test, the test units shall be put on rest for a minimum of one hour and then 434 a visual inspection shall be performed.Edge and corner drop test (cell or cell block, and battery system)8.2.3.2 Each fully charged test uni
10、t is dropped two times from a height shown in table 2 onto a concrete floor. The drop test conditions shall assure, with test arrangements as shown in Figure 3, Figure 4 and Figure 5 5, reproducible impact points for the shortest edge drop impact and the corner impacted. The two impacts, per impact
11、type, shall be on the same corner and on the same shortest edge. For the corner and edge drops, the test unit shall be oriented in such a way that a straight line drawn through the struck corner/edge and the test unit geometric centre is approximately perpendicular to the impact surface.Thermal abus
12、e test (cell or cell block)8.2.4 Each fully charged cell, stabilized at room temperature, is placed in a gravity or circulating air convection oven.The oven temperature is raised at a rate of 5C / min 2 C /min to a temperature of 85 C 5 C. The cell remains at this temperature for 3h before the test
13、is discontinued.Overcharge test (cell or cell block)8.2.5 The test shall be carried out at an ambient temperature of 25 C 5 C. Each test cell shall be discharged at a constant current of 0,2 It A to a final discharge voltage specified by the manufacturer. Sample cells shall then be charged with a co
14、nstant current equal to the maximum specified charge current of the battery system until the voltage reaches the maximum voltage value that is possible when any single failure on the charge control or charge protection function occurs. Then, the charge is terminated. The voltage and temperature shou
15、ld be monitored during the test.The test shall be continued until the temperature of the cell surface reaches steady state conditions (less than 10 C change in a 30-minute period) or returns to ambient.Forced discharge test (cell or cell 8.2.6 A discharged cell is subjected to a forced discharge at
16、1,0 It A for a test period of 90min. After the test period, a visual inspection shall be performed.block) If the discharge voltage reaches the target voltage shown below within the test period, the voltage shall be kept at the target voltage by reducing the current for the remaining test period. The
17、 target voltage is determined as follows:i. Battery system provided with redundant independent protection for discharge voltage control or the battery system has only single cell or cell block:Target voltage = - (upper limit charge voltage of the cell)ii. Battery system provided with only a single p
18、rotection or less for discharge voltage control:Target voltage = - upper limit charge voltage of the cell (n-1).n; the number of cells connected in series in the battery system.8.3 Considerations for internal short-circuit 529 Design evaluationInternal short-circuit test (cell or cell block)8.3.2 Re
19、fer to clause 8.3.9 of IEC 62133 Ed.2The sample preparation procedure may be changed from the procedure outlined in IEC 62133 prior to performing the final pressing process with the corresponding charging procedure according to clause 542 8.3.9 of IEC 62133 Ed.2.Propagation test (battery system)8.3.
20、3 The battery system is fully charged and then left until the cells stabilize at 25 C 5 C. One cell in the battery system is heated until the cell enters thermal runaway, for example, using resistive heating or through thermal conductive heat transfer using an external heat source. The method used t
21、o create a thermal runaway in one cell is to be described and documented in the test report. After thermal runaway in the cell is initiated, the heater is turned off and battery system is observed for 1 hour.Other methods than the examples noted above to initiate thermal runaway in one cell are allo
22、wed. See normative Annex-1 for more details.9 Functional safety (system safety)Overcharge control of voltage (battery system)9.2.2 The test shall be carried out in an ambient temperature of 25 C 5 C and under normal operating conditions with the cooling system (if any) operating (main contactors are
23、 closed with the battery system controlled by the BMU). Each test battery system shall be discharged at a constant current of 0,2 It A, to a final discharge voltage specified by the manufacturer. Sample batteries shall then be charged at the maximum current of the recommended charger with set voltag
24、e exceeding the upper limit charge voltage by 10% for each cell in the battery.The exceeded voltage can be applied by an additional charger if it is difficult to do it by the original charger. Also the exceeded voltage can be applied to a part of the cell(s) in the battery system if it is difficult
25、to do it in using the whole battery system.The test shall be carried out until the BMU terminates the charge, which should occur before reaching 110 % of the upper limit charge voltage. Data acquisition/monitoring shall be continued for one hour after charge is stopped. All functions of the battery
26、system shall be fully operational as designed during the test.Overcharge control of current (battery system)9.2.3 The test shall be carried out in an ambient temperature of 25 C 5 C and under normal operating conditions with the cooling system (if any) operating (main contactors closed with the batt
27、ery system being controlled by the BMU). Each test battery system shall be discharged at a constant current of 0,2 It A, to a final discharge voltage specified by the manufacturer. Sample batteries shall then be charged at a current exceeding the maximum charge current by 20%. Data acquisition/monit
28、oring shall be continued for one hour after charge is stopped. All functions of the battery system shall be fully operational as designed during the testOverheating661 control (battery system)9.2.4 The test shall be carried out in an initial ambient temperature of 25 C 5 C and under normal operating
29、 conditions (main contactors are closed with battery system being controlled by the BMU) with the exception that the cooling system, if provided, shall be disconnected. Each test battery system shall be discharged at a constant current of 0,2 It A, to a final discharge voltage specified by the manuf
30、acturer. Sample batteries shall then be charged at the recommended current to a 50% state of charge. The temperature of the battery system shall be increased to 5 C above the maximum operating temperature. The charge is continued at the elevated temperature until the BMU terminates the charge. Data acquisition/monitoring shall be continued for one hour after sequence is stopped (e.g. the BMU has terminated charge).
