[合作] 动力电池26650铁锂电池(IFR26650-4000mAh)

No.序号

Item

项目

General parameter

常规参数

Remark

备注

1

Can Material

壳体材质

Ni-plate Steel

镀镍钢壳

2

Nominal capacity

标称容量

4000mAh

0.5C₅A

3

Minimum capacity

***小容量

3950mAh

0.5C₅A

4

Nominal voltage

标称电压

3.2V

5

Maximum charge voltage充电***高电压

3.65V

6

Discharge cut-off voltage放电截止电压

2.0V

7

Maximum continuous charge current

***大持续充电电流

1 C₅A

8

Maximum continuous discharge current

***大持续放电电流

3 C₅A

9

Internal impedance

内阻

＜20mΩ

Measured at AC1KHz of 50%SOC

半电态下交流1KHz测量

10

Battery weight

电池重量

Approx.87g

约87g

11

Battery diameter (d)

电池直径

26.5±0.2mm

12

Battery height (h)

电池高度

65.5±0.3mm

13

Standard charge

标准充电

Constant Current 0.5C₅A,Constant Voltage 3.65V,Cut-off Current 0.05C₅A

持续电流0.5C₅A，持续电压3.65V，截止电流0.05C₅A

CC/CV

14

Rapid charge

快速充电

Constant Current 1C₅A,Constant Voltage 3.65V,Cut-off Current 0.05C₅A

持续电流1C₅A，持续电压3.65V，截止电流0.05C₅A

CC/CV

15

Standard discharge

标准放电

Constant Current 0.5C₅A, Cut-off Voltage 2.0V

持续电流0.5C₅A，截止电压2.0V

CC

16

Operation temperature

工作温度

Charge/充电：0℃～45℃

Discharge/放电：-20℃～60℃

At 60±25%RH

17

Storage temperature

储存温度

Less than 3 months：-20～45℃

Less than 1 year：-20～25℃

小于3个月：-20～45℃

小于1年：-20～25℃

At 60±25%RH

No.序号

Test Item

检测项目

Test Method

测试方法

Test Standard

检测标准

1

Normal temperature  discharge performance

常温放电性能

Standard charge, then rest for 10min and discharge at 0.5C₅A、1C₅A 、2C₅A 、3C₅A to 2.0V respectively.

电池标准充电后，搁置10min，然后以0.5C₅A、1C₅A、2C₅A、3C₅A放电至2.0V。

Discharge capacity/Nominal capacity×100%

放电容量/标称容量×100%

0.5C₅A≥98.5%

1C₅A≥97%

2C₅A≥95%

3C₅A≥80%

2

Normal Temperature Storage

常温荷电保持能力

Store for 28days after standard charge, then discharge at 0.2C₅A to 2.0V measuring residual capacity; Then standard charge/discharge cycle for 3 times to obtain the recoverable capacity.

（the same below）.

电池标准充电后，开路放置28天，然后标准放电至2.0V。再以标准充放电测试电池的恢复容量，可循环三次，任一次容量达到标准要求，试验即可停止。

Residual capacity≥ Nominal capacity×85%

Recoverable capacity≥ Nominal capacity×92%

剩余容量≥标称容量×85%

恢复容量≥标称容量×92%

3

Cycle Life

循环寿命

After 2000 cycles at standard charge and discharge, the residual discharge capacity is above 80% of initial capacity.

将电池按照标准充放电制度循环1000次，电池残余容量≥70%*初始容量。

≥1000 cycles

4

Storage Characteristics

储存性能

Stored for 12 months in room-temperature at 50%SOC.After storage cell shall  be conducted standard charge/discharge cycle for 5 times to obtain the recoverable capacity. 电池在50%荷电量条件下室温储存12个月后，以标准充放电循环5次，有一次达到标准要求，试验即可停止。

Recoverable capacity≥ Nominal capacity×90%

恢复容量≥标称容量×90%

5

Discharge temperature Characteristics

放电温度特性

Standard charged in normal temperature, stored under the following temperature for 3h, then discharged at constant current of 0.2 C₅A to 2.0V.

常温条件下电池标准充电后，电池在放电温度环境中放置3h，然后测试0.2C₅A放电容量。

Discharge capacity/Nominal capacity×100%

放电容量/标称容量×100%

-10℃  ≥60%

25℃   ≥100%

55℃   ≥95%

No.序号

Test Item

检测项目

Test Method

测试方法

Standard

检测标准

1

Temperature Cycle

高低温循环

After standard charge, the battery in the temperature box, box temperature adjusted in accordance with table 1, five cycles,observation of 1 h.

a)电池标准充电后b)单体蓄电池放入温度箱中，温度箱温度按照表1进行调节，循环次数5次；c)观察1h；

No deformation，No fire，No explosion.

电池不变形、不起火、不爆炸

2

Drop

跌落

Battery charging standards, from 1.5 m high free fall to the cement ground, positive and negative terminals of a once. Observation of 1 h

电池标准充电后，由1.5m高度自由跌落到水泥地面上，正负端子各一次。观察1h

No fire，No explosion.

不起火、不爆炸

3

Low pressure

(altitude simulate)

低压性能

（高度模拟）

After standard charge, cells are stored under the atmosphere pressure of 11.6KPa for 6 hours.

电池标准充电后，在11.6kPa气压下搁置 6h

No leakage，No fire，No explosion.

电池不漏液、不起火、不爆炸

4

Seawater immersion

海水浸泡

After standard charge, The battery immersed in 3.5% Nacl solution(mass fraction, simulated under normal temperature water composition) in 2h.

The depth of the water should be no monomer battery.

a)电池标准充电后

b)将单体蓄电池浸入3.5%Nacl溶液（质量分数，模拟常温下的海水成分）中2h；

c)水深应完全没过单体蓄电池。

No fire，No explosion.

电池不漏液、不起火、