Copper Foil for Battery Anode Substrate
NO
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Items
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Criteria
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Remarks
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1
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Vibration test
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The battery is to be tested in three mutually perpendicular to each axis.
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No fire, no explosion
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2
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Drop Test
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Drop the battery from 1m height onto 5cm it 3 times each of X, Y, and Z directions at 25±2°C
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3
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Short circuiting Test
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After standard charge,the battery shall be subjected to a short-circuit condition with a wire of resistance less than 100(o)
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4
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High temperature test
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Leaving the battery at 85°C for 4hours after standard charge
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No fire, no explosion
Capacity≥80%C5
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5
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Heating Test
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The temperature of the oven is to be raised at a rate of 5±2°C/min to a temperature of 130±2°C for 30 minutes.
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No explosion, no fire
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6
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Overcharge testing
(NO PCM)
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3C 4.6V.
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7
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Storage Characteristics 1
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standard charge and then storage at 25±2°C for 30 days.
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Remaining Capacity≥85%
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8
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Storage Characteristics 2
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1
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after standard charge and then storage at 60±2°C for 7 days.
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Remaining Capacity≥60%
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2
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the capacity on standard discharge shall be measured after standard charge.
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Recovery capacity≥80%
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