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Redmark Industry Sdn Bhd
141-2, Jalan Radin Bagus, Bandar Baru Sri Petaling, 57000 Kuala Lumpur, Malaysia.
+6012-499 2103
Redmark Industry (Penang)
Sdn Bhd
7206, Mez Floor, Kompleks Perniagaan Pangsapuri Seri Cemerlang, Jalan Kampung Paya, Kampung Paya, 12200 Butterworth, Penang, Malaysia.
chuin@redmarkindustry.com
Temperature Test
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Temperature Test
Thermal Test
This test is performed to characterize cell responses to high-temperature environment.
a) Adjust the SOC of the cell to 100% for BEV application, and to 80% for HEV application.
b) The cell, stabilized at room temperature, shall be placed in a gravity or circulating air-convection oven. The oven temperature shall be raised at a rate of 5K/min to a temperature of 130¡æ±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. The manner to prevent deformation should be representative of cells inside battery systems and battery packs.
Temperature cycling
Cumulative time min |
Temperature ¡æ |
0 | 25 |
60 | Tmin |
150 | Tmin |
210 | 25 |
300 | Tmax |
410 | Tmax |
480 | 25 |
Test Standard: UL1642-2015 Clause 17
A battery is to be heated in a gravity convection or circulating air oven with an initial temperature of 20±5¡æ(68±9¨H). The temperature of the oven is to be raised at a rate of 5±2¡æ(9±3.6¨H) per minute to a temperature of 130±2¡æ (266±3.6¨H)and remain for 10 min. The sample shall return to room temperature (20±5¡æ) and then be examined. For batteries specified for temperatures above 100¡æ(212¨H), the conditioning temperature shall be increased from 130±2¡æ(266±3.6¨H), to 30±2¡æ(86±3.6¨H) above the manufacturers maximum specified temperature. For a battery of lithium metal chemistry, the conditioning temperature shall be increased to a maximum of 170±2¡æ(338±3.6¨H).
Temperature cycling test
Test Standard: GB/T 31467.3-2015 Clause 7
Test Standard: LV124
High/low Temperature storage
Operating mode of DUT | Operating Mode |
Test duration and test temperature | 2 cycles of 24h [consisting of 12h storage at T(min) and 12h storage at T(max)] |
Number of DUTs | As specified in the test sequence plan in the Component Requirement Specification. |
High/low Temperature storage
Operating mode of DUT | During the parameter test (function test) operating mode II.C, otherwise operating mode II.a |
Test Temperature | The DUTs shall be subjected to the temperature profile. |
Temperature change of 5¡æ for each step. | |
Test sequence | The DUT shall be maintained at each temperature step until the specified temperature is attained throughout. This shall be followed by a parameter test (function test) as per section “Parameter test”. |
Number of DUTs | 6 |
Low Temperature Operation
Operating mode of DUT | Intermitting between 12h operating mode II.a and 12h operating mode II.c |
Test duration | 48h |
Test temperature | T (min) |
Numbers of DUTs | 6 |