REPT BATTERO CB29148112EA

Product Specification CONFIDENTIAL REV. : 01/01 Page: 6 of 13 Date: 2022-11-20 6 appearance of battery. 4.3.5 低温放电 Low temperature discharge capacity 1) 根据 3.17 将电池充满电 Full charge cell according to No. 3.17. 2) 将电池在-20±2℃下静置 24h. Temperature:-20±2℃ rest 24 hours. 3) 将电池以 1.0I1(A)电流放电至 2.0V 并记录放电容 量(Ah). Discharge with a current at 1.0 I1(A) to 2.0V and record discharge capacity(Ah). 4) 将电池在 25±5℃静置 12h 并检查电池的外观. Temperature: 25±5℃ for 12 hours and check the appearance of battery. 无变形、膨胀、漏液 No apparent deformation and leakage 放电容量 ≥ 70%*初始容量 Discharge capacity ≥ 70% * Nominal capacity 4.3.6 循环寿命 Cycle Life 1) 测试温度: 25±2℃。 Test temperature: 25±2℃. 2) 初始夹紧力 300±20Kgf Under 300 ± 20 Kgf preload 3) 采用 StepCharge 方式充电，静置 30min 。 Use StepCharge mode to charge and stand by 30min. 4) 将电池以 1.0I1(A)电流放电至 2.5V，并静置 30min Discharge with a current at 1.0I1(A) to 2.5V and stand by 30min. 5) 重复 3)和 4)步骤， 直到电池容量小于 80% 的初始 容量，并记录循环次数。 Cycle step 2) and 3) until capacity loss is more than 20% and record cycle number. 循环寿命 ≥ 3000 次 Cycle number ≥3000 times 4.3.7 室温存储和恢 复 Room temperature storage capacity remaining and recovery 1) 测试温度: 25±2℃. Temperature:25±2℃. 2) 根据 3.17 将电池充满电. Full charge cell according to No. 3.17. 3) 将电池在室温下存储 28 天. Storage cell battery at temperature of 25±2℃ for 28 days. 4) 将电池以 1.0I1(A)电流放电至 2.5V，并记录剩余 容量(Ah). Discharge with a current at 1.0I1(A) to 2.5V and record as remaining capacity. 5) 根据 3.17 将电池充满电. Full charge cell according to No. 3.17. 6) 将电池以 1.0I1(A)电流放电至 2.5V，并记录恢复 容量(Ah). Discharge with a current at 1.0I1(A) to 2.5V and record as recovery capacity. 无变形、膨胀、漏液 No apparent deformation and leakage 剩余容量 ≥ 90%*初始容量; Residual capacity ≥ 90% * nominal capacity. 恢复容量 ≥ 95%*初始容量 Recovery Capacity≥95%* Initial capacity 4.3.8 高温存储和恢 复 High Temperature Charged Storage and Recovery Test 1) 根据 3.17 将电池充满电. Full charge cell according to No. 3.17. 2) 将电池在 55±2℃下存储 7 天。 Storage cell battery at temperature of 55±2℃ for 7 days. 3) 将电池以 1.0I1(A)电流放电至 2.5V，并记录剩余 容量(Ah). Discharge with a current at 1.0I1(A) to 2.5V and record as remaining capacity. 4) 根据 3.17 将电池充满电. 无变形、膨胀、漏液 No apparent deformation and leak-out 剩余容量≥90%*初始容量; Residual capacity ≥ 90%* nominal capacity. 恢复容量 ≥ 95% * 初始容 量 Recovery Capacity≥95%* Initial capacity