SDS

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Report No.: SHES181200191801
Date: 2019-03-06
Page 9 of 21
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SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd
201612 t (86-21)61915666 f (86-21)61915678 www.cn.sgs.com
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Open circuit voltage changed not less than 90%, the
requirement relating to voltage is not applicable to
test cells and batteries at full discharged states.
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No leakage, no venting, no disassembly, no rupture
and no fire.
P
38.3.4.5
Test T.5: External short circuit
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Test procedure:
The cell or battery to be tested shall be temperature
stabilized so that its external case temperature
reaches 57±2 ºC and then the cell or battery shall be
subjected to a short circuit condition with a total
external resistance of less than 0,1 ohm at 57±4 ºC .
If this assessment is not Feasible, the exposure time
shall be at least 6hours for small cells and small
batteries, and 12 hours for large cells and large
batteries. This short circuit condition is continued for
at least one hour after the cell or battery external
case temperature has returned to 57±4 ºC , The cell
or battery must be observed for a further six hour for
the test to be concluded, or in the large batteries, has
decreased by half of the maximum temperature
increase observed during the test and remains below
the value.
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Requirement:
Cell’s or batteries’ external temperature not exceed
170 ºC .
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No disassembly, no rupture and no fire within six
hours.
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38.3.4.6
Test T.6: Impact / Crush
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Test procedure 1: Impact
The sample cell or component cell is to be placed on
a flat smooth surface.
The diameter of the cell is 18
mm
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A 15.8 mm ± 0.1mm diameter, at least 6 cm long, or
the longest dimension of the cell, whichever is
greater, Type 316 stainless steel bar is to be placed
across the centre of the sample.
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A 9.1 kg ± 0.1 kg mass is to be dropped from a
height of 61 ± 2.5 cm at the intersection of the bar
and sample in a controlled manner using a near
frictionless, vertical sliding track or channel with
minimal drag on the falling mass. The vertical track
or channel used to guide the falling mass shall be
oriented 90 degrees from the horizontal supporting
surface.
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