REPT BATTERO CB54173200EB

Product Specification CONFIDENTIAL REV. : 01 Page: 7 of 14 Date: 2019-03-22 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 300Kgf 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 0.5I1(A)电流放电至 2.5V，并静置 30min Discharge with a current at 0.5I1(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≥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 3.16 将电池充满电。 Full charge cell according to No. 3.16. 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 0.5I1(A)电流放电至 2.5V，并记录 剩余容量(Ah)。 Discharge with a current at 0.5I1(A) to 2.5V and record as remaining capacity. 5) 根据 3.16 将电池充满电。 Full charge cell according to No. 3.16. 6) 将电池以 0.5I1(A)电流放电至 2.5V，并记录 恢复容量(Ah)。 Discharge with a current at 0.5I1(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≥92%*初始容 量; Capacity loss≤8%* nominal capacity. 恢复容量≥94%*初始容 量 Recovery Capacity≥94%* Initial capacity 4.3.8 高温存储和 恢复 High Temperature Charged Storage and Recovery Test 1) 根据 3.16 将电池充满电。 Full charge cell according to No. 3.16. 2) 将电池在 55±2℃下存储 28 天。 Storage cell battery at temperature of 55±2℃ for 28 days. 3) 将电池以 0.5I1(A)电流放电至 2.5V，并记录 剩余容量(Ah)。 Discharge with a current at 1I1(A) to 2.5V and record as remaining capacity. 4) 根据 3.16 将电池充满电。 Full charge cell according to No. 3.16. 5) 将电池以 0.5I1(A)电流放电至 2.5V，并记录 恢复容量(Ah)。 Discharge with a current at 0.5I1(A) to 2.5V and record as recovery capacity. 无变形、膨胀、漏液 No apparent deformation and leak-out 剩余容量≥92%*初始容 量; Capacity loss≤8%* nominal capacity. 恢复容量≥94%*初始容 量 Recovery Capacity≥94%* Initial capacity