REPT BATTERO CB68

Product Specification CONFIDENTIAL REV. : 01/01 Page: 6 of 14 Date: 2022-11-15 6 capacity 3) 在 55±2℃下将电池以 1.0I1(A)电流放电至 2.5 V 并 记录放电容量(Ah). Discharge with a current at 1.0I1(A) to 2.5V and record discharge capacity(Ah). 4) 将电池在 25±2℃静置 12h 并检查电池的外观. Temperature: 25±2℃ for 12 hours and check the appearance of battery. Discharge capacity ≥ 99%*Nominal capacity 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) 采用先恒流再恒压方式充电，恒流电流为以 0.5I1(A)，恒压电压为 3.65V，在恒压过程中至电 流降到 0.05I1(A)即可终止充电，静置 30min 。CC at 0.5I1(A) to 3.65V &CV at 3.65V, terminal current at 0.05I1(A) 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 70% 的初始 容量，并记录循环次数。 Cycle step 2) and 3) until capacity loss is more than 30% and record cycle number. 循环寿命 ≥ 3500 次 Cycle number ≥ 3500 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 1.05I1(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 1) 根据 3.17 将电池充满电. 无变形、膨胀、漏液