LV 124 Test Standard Should Be Perform (EV Electric Vehicle Battery) Electric and Electronic Components in Passenger Cars up to 3.5 T - General Requirements , Test Conditions and Tests  Dust Test This test simulates the dust load of the component during vehicle operation. This test shall be carried out in accordance with ISO 20653 with the following parameters Protection against water (IPX0 to IPX6K) This test simulates the exposure of the component to water. This test is intended to verify the function of the component. Eg, when exposed to condensation water, rain or splash water. This test shall be carried out in accordance with ISO 20653 with the following parameters High pressure/steam- Jet cleaning This test simulate the exposure of the component to water during vehicle cleaning The test shall be carried out in accordance with ISO 20653 with following parameters Thermal Shock with splash water This test simulate the exposure of the component to splash water as it occurs when driving through puddles.  The test is intended to verifyb the function of the component when exposed to rapid cooling by means of water. Test procedure Heating of DUT to test temperature.This is followed by the cyclic splashing of the DUT as per figure 30.The DUT shall be splashed over its entire width Cycle duration 30 minutes Test temperature T (max) Splash water temperature 0 ~ +4 ℃ Splash duration 3 seconds Water flow 3 to 4 liters per splash/ nozzle Distance of nozzle to DUT 300 to 350mm Number of cycles 100 Number of DUTs 6 When performing the test, the installation position of the component in the vehicle shall be simulated Thermal Shock Immersion  This test simulates the exposure of the component when immersed in water. The test is intended to verify the function of the component when subjected to immediate cooling by means of immersion of the heated component. Test procedure Heat the DUT to test temperature Hold at test temperature until complete thermal equilibrium is reached (see section 5.4) and then for 15min more. Then fully immerse the DUT for a maximum of 5s into the test fluid such that all sides of the DUT are surrounded by at least 25mm of the test fluid Test medium 0℃ cold, 5% salt water solution Immersion time 5 min Number of cycles 20 Number of DUTs 6 Corrosion test with flow of mixed gas The test simulates the influence of corrosive gases on the component, particularly its plug contacts and switches. The test in intended to verify the resistance of the component to faults such as corrosion and component damages. This test shall be carried out in accordance with DIN EN 600068-2-60 method 4 with following parameters:  Operating mode of DUT Operating mode I.b Temperature T(RT) Humidity 75% Corrosive gas concentration So2 0.2ppm H2S 0.01ppm No2 0.2ppm Cl2 0.01ppm Test duration 21 days Number of DUTs 6 read more

UL 1642 Test Standard Should Be Perform (EV Electric Vehicle Battery) Standard for safety Lithium Batteries  Heating Test A battery is to be heated in a gravity convection or circulating air oven with an initial temperature of 20 +5'c (68 + 9'F). The temperature of 130 + 2'c (266 + 3.6F) and remain for 10 min. The sample shall return to room temperature (20 + 5'c) and then be examined. For batteries specified for temperatures above 100'c (212'F), The conditioning temperature shall be increased from 130 + 2'c (266 + 3.6'F), to 30 + 2'c (86 + 3.6'F) above the manufacturers maximum specified temperature. For the battery of lithium metal chemistry, the conditioning temperature shall be increased to maximum of 170 + 2'c (338 +3.6'F).  Temperature Cycling Test The batteries are to be placed in a test chamber and subjected to the following cycles:  a) Raising the chamber-temperature to 70 + 3'c (158 + 5'F) within 30 min and maintaining this temperature for 4 h. b) Reducing the chamber-temperature to 20 + 3'c (68 + 5'F) within 30 min and maitaining this temperature for 2 h  c) Reducing the chamber temperature to minus 40 + 3'c (minus 40 + 5'F) within 30 min and maintaining this temperature for 4 h. d) Raising the chamber temperature to 20 + 3'c (68 + 5'F) within 30 min  e) Repeating the sequence for a futher 9 cycles. f) After the 10th cycle, storing the batteries for a minimum of 24h, at a temperature of 20 + 5'c  (68 + 9'F) prior to examination. read more

 UL 2580 Test Standard Should Be Perform (EV Electric Vehicle Battery) Environmental Tests Thermal Cycling  This test determines the electrical energy storage assembly's ability to withstand exposure to rapidly changing environments such as when the vehicle is entering or exciting a heated garage after being in a cold environment, or during transport etc. without evidence of damage that could lead to a hazardous event. A fully charged electrical energy storage assembly (MOSOC per 6.1) shall be subjected to the thermal shock test to the electric vehicle battery abuse testing and hyrid electric vehicle rechargeable energy storage system (RESS) safety and abuse testing, SAE J2464, except that the temperature extremes are from 85 + 2'c to -40 + 2'c (185 + 3'c F to -40 + 3' F). Salt Spray Test This test determines the electrical energy storage assembly's ability to safety withstand anticipated exposure to a salt mist conditions due to either to vehicle use near environments, or due to salt de-icing utilized on roads during winter months. A fully charged electrical energy storage assembly (MOSOC per 6.1) shall be subjected to the test method per the standard  for environmental testing - Part 2: Tests - Test Kb : Salt Mist, Cyclic (Sodium Chloride Solution), IEC 60068-2-52, with a severity level of 6. read more

IEC 60086-4 Test Standard Should Be Perform (EV Electric Vehicle Battery) Primary batteries Part 4 : Safety standard for lithium batteries (IEC60086-4: 2000) Thermal Cycling  read more

SAE J2464 Test Standard Should Be Perform (EV Electric Vehicle Battery) Electric and Hyrid Electric Vehicle Rechargeable Energy Storage System (RESS) Safety and Abuse Testing. a) Immersion Test (Module or Pack Level)  Test Description  With the DUT in its normal operating orientation and at full state of charge, immerse the DUT in ambient temperature salt water (5% by weight NaCI in2 H) for minimum of 2 h or untill any visible reactions have stopped. the water depth must be enough to cmpletely submerge the DUT. The DUT may be placed into a tank filled with water or may be placed in a empty tank and water pumped into the tank to fully submerge the DUT. Measured Data The following data shall  be collected as part of this test :  1. The temperature of the DUT to be recorded as function of time (temperature) 2. Voltage and resistance of the DUT to be recorded as a function of time (voltage and Resistance) 3.Video monitoring for the duration of the test, including the observation after the test as well as photographs of the setup and the DUT, before and after the test, including the post-test observation period. (PHOTOGRAPHS and VIDEO) 4.Gas analysis to measure potential gases produced by electrolysis of salt water (e.g Hydrogen or chlorine gas) b) Thermal Shock Cycling (Cell Level or Above)  Test Description  With the DUT at the maximum operating state of charge, contained in a closed volume and active thermal controls ( primary and secondary) disabled, thermally cycle the DUT with ambient air cycling between 70'c to -40'c. The time for the chamber ambient temperature to reach each temperature extreme shall be 15 min or less, this test may be performed either through the use of a fast-response chamber or by moving test articles between two chambers at the two test temperatures. The DUT shall remain at each extreme for minimum of 1 h at the cell level, 6h at module level, or as required to reach a uniform temperature (+5'C) at the park level. A total of five cycles shall be performed. After thermal cycling, inspect the DUT for any damage, paying special attention to any damage, paying special attention to any seals that may exist. Also, determine whether control circultry, if any, is operational. Perform three C/3 discharge cycles at 25'c ambient air temperature before and after test (using the manufacturers recharge algorithm) to determine immediate effects of the thermal cycling.  read more

Test Standard Should Be Perform  1) IEC 62660-2 Lithium-ion cells for the propulsion of electric road vehicles Part 2 : Realiability and abuse testing a) High Temperature endurance  This test is performed to characterize cell responses to high-temperature environment. a.a) Test The test shall be performed as follows Adjust the SOC of cells to 100% for BEV application, and to 80% for HEV application in accordance with 5.3. The cell, stabilized at room temperature, shall be placed in a gravity or circulating air-convection oven. The oven temperature of 130'c + 2k . The cell shall remain at this temperature for 30 min before the test is discontinued. Note: If necessary, to prevent deformation, the cell may be maintained during the test in a manner that does not violate the test purpose. b) Temperature Cycling  b.a) Test without electrical operation   The test shall be performed as follows. Adjust the SOC of cell to 100% for BEV application, and to 80% for HEV application in accordance with 5.3. Perform the temperature cycling in accordance with ISO 1670-4 as shown in table 4. The minimum operating temperature shall be -40'C or Tmin specified by manufacturer and the minimum operating temperature shall be 85'c or T max specified by the manufacturer. Perform 30 test cycles as specified by the manufacturer. Perfom 30 test cycles as specified.  read more

What Equipments can be used for testing EV battery  There are several equipment and tools commonly used for testing electric vehicle (EV) batteries. These tools help assess the performance, capacity, and overall health of the batteries. Here are some commonly used equipment for EV battery testing: 1. Drying Oven 2. Salt Spray Test Chamber 3. Salt Cyclic Corrosion Test (CCT) Chamber 4. Temperature Humidity Test Chamber 5. Corrosion Test with flow of mixed gas 6. IPX0~IPX6K Water Test Chamber 7. IP5X Dust Test Chamber 8. IPX9K Water Test Chamber 9. Thermal Shock with splash water test chamber 10. Thermal Shock Immeration Test 11. Salt Water Immersion Test It's worth noting that the specific equipment and tools required for EV battery testing may vary depending on the purpose and scope of the testing, as well as the standards and regulations applicable to the specific battery technology being evaluated.   read more

Benchtop Temperature  Humidity Chamber Model: LIB- T-50, T-80, TH-50, TH-80   Description: Benchtop Temperature humidity Test Chambers are Small, bench-top test chamber for simulating temperature and humidity environments. Included only temperature, temperature and humidity test chambers. Widely used in electronics, automotive, manufacturing, research and laboratories. Its very good advantages are small, desktop, small footprint, portable, stable performance and Full function. A Benchtop Environmental Chamber offers flexibility, uniformity, and control accuracy.  Small & Affordable. CHARACTERISTIC Small, portable, benchtop design Wide temperature ranges and volume selection Reliable performance Temperature control and display unit Humidity control and display unit Programmable color LCD touch screen controller Multi-language interface USB and Ethernet Mechanical compression refrigeration system Build-in water tank Adjustable and removable sample shelves Safety protection system CE mark, ISO17025 calibration Model: LIB-Temperature & Humidity Chamber   Model T-50 T-80 Internal dimension (mm) 320*350*450 400*400*500 Overall dimension (mm) 800*1050*950 900×1100×1000 capacity 50L 80L Temperature range A:-20℃ ～+150 ℃ Low type B: -40℃   C:-70℃   D: -86℃ Temperature fluctuations ± 0.5 ℃ Temperature deviation ± 2.0 ℃ Heating rate 3 ℃ / min Cooling rate 1 ℃ / min Controller Programmable color LCD touch screen controller, Ethernet , USB Cooling system Mechanical compression refrigeration system Safety device over-temperature protection; over-current protection; Refrigerant high-pressure protection;  Earth leakage protection; Exterior material Steel Plate with protective coating Interior material SUS304 stainless steel Standard configuration 1 Cable hole (Φ 50) with plug; 2 shelves Power Supply 220V 50HZ   Warranty   3 Years Warranty, Lifelong Follow-up Services All chambers product all provide a three-year long-term warranty, and provides free maintenance and after-sales service within three years from the date of purchase.   Service Professional customer service team, sales staff, after-sales team to solve customers’ problems online at any time.  We set up agent centers and local service centers to improve service efficiency. read more