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Specification Approval Sheet (cylinder Cell)
产品规格确认书(圆柱电池)
Model/型号: 18650P
Capacity/容量 2000mAh
Voltage/电压: 3.7V
制定(Prepared By)cantone 审核(Checked By) 批准(Approved By)
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.0 基本特性Basic performance
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.0 外形图 figure
型号 Model
18650S
标称容量 NominalCapacity(0.5C A)
5
2000mAh
最低容量 (0.5C A)
5
1980mAh
额定电压 Nominal Voltage
3.70V
4.20 V
3.00V
充电截止电压 Max Charge Voltage
放电终止电压 Discharge Cut-off Voltage
最大充电电流 Max. Charge Current
1C A
5
标准持续放电流Standard Discharge Current 1C A(最大10C A)
5
5
最大瞬间放电电流 Max. Discharge Curent
电池最大直径(光壳) Max. Diameter
15C A
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18.3mm
电池最大高度(光壳) Max. Height
电池重量 (Approx.) Weight (Approx.)
65mm
约5.2g
内阻(Max, at 1000Hz.) Cell Impedance
≤15mΩ(充电态)
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.1 结构图 Structure
充电方法
Charge
标准 Standard
快速 Quick
0.2C A×7.5hrs
5
1
C A×2.5hrs.
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Method
0
℃~45℃
充电 Charge
放电 Discharge
贮存 Storage
o
o
3
2 F~113 F
操 作 温 度
Operating
-
20℃~60℃
o
o
-4 F~140 F
Temperature
-
10℃~45℃
o o
-4 F~113 F
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.0 主要放电曲线 Mainly capability graph
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8650S-2000mAh 单体0.5C 充放放电图
18650S-2000mAh 单体电池不同倍率循环寿命
充电电压
放电电压
0.5c充放电循环
1c充放电循环
你
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4.0 电池性能 Characteristic
若没有特别说明,电池在做各项试验前,均需在86KPa~106 KPa大气压,环境温度20℃±5℃,相对湿度为45%~
7
5%的条件下,以0.2C A 恒流放电至终止电压2.75V,并在收到产品两周内进行以下试验。
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Without special instructions, the following tests should be done under the condition of : temperature(20℃
±5℃), atmospheric pressure (86KPa~106 Kpa), relative humidity (45%~75%), and the tests should be done within two
weeks after receiving the products.
一些术语的定义:the definitions of some nomenclatures of this specification
标准充电:在环境温度20℃±5℃的条件下,以0.2C A 充电,当电池端电压达到充电截止电压时,改为恒压充电,
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直到充电电流小于或等于0.01C A 后停止充电。
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standard Charge: Charge with current 0.2C A to limit charge voltage under the condition of 20℃±5℃ surrounding t
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emperature, then change to charge with constant voltage till the current less than or equal to 0.01 C A.
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4
.1 电化学性能 Electrical Characteristic
序号
项目Item
标准Standard
测试方法Test Method
NO.
在1 标准大气压,环境温度20℃±5℃,相对湿度为
5%~75%的条件下,电池标准充电后(以下若没有特别
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说明,均在此条件下放置,皆按此充电方式),搁置30min,
以 0.5C A 进行放电至终止电压,循环三次,当有一次达
5
到标准,即达到标准要求(下同)。
常温放电性能
Discharge
1
0.5C A ≥2h
5
Standard charged under the condition of normal
atmospheric pressure and the environmental temperature of
Characteristics
2
5℃±5℃ and 45%~75%RH, then rest for 30min and感恩节的英语作文
discharge at0.5C A to the discharge cut-off voltage
5
沪江
respectively. Charge/discharge cycle can be conducted for 3
times before meeting the Standards(the same below)
放电时间≥
电池标准充电后,开路放置28 天,再以0.2C A 放电至终
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常温荷电保持能力 255min
止电压。
2
3
Normal Storage
Discharge Time≥
Store for 28 days after standard charged, then discharge at
2
55min
0
.2C A to the discharge cut-off voltage.
5
循环200次后放
电时间≥4min
10C A 放电至终止电压,搁置30min,以此模式循环
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循环寿命
200次。
Cycle Life
Discharge Time≥
Conduct 10C A cycle for 200times and measure final
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4min
capacity.
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4
.2 安全性能 Safety Characteristic
序号vija
项目曲轴油封Item
NO.
标准Standard
测试方法Test Method
电池标准充电后,以3C A 电流充电至4.8V,然后转恒压充电
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至截至电流0.01C A 时终止。
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过充性能
不爆炸、不起火
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Standard charge. Charge at 3 C A to 4.8V, then change to
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Overcharge
No fire、No explosion
charge with constant voltage till the current less than or equal to
0
.01 C A. Obrve the variation of the battery’s appearance
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电池标准充电后,以1C A 进行放电至终止电压,然后用10Ω
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的电阻将电池正负极相连,搁置14 天。
过放性能bombardier
不起火、不爆炸
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Standard charged. Discharge at 1C A to discharge cut-off
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Over Discharge
No fire、No explosion
voltage and then connect the positive and negative terminals
with a resistor of 10Ω for 14 days.
电池标准充电后,置于防爆玻璃罩中直接短路其正负极(线
路总电阻不大于50mΩ),当电池温度下降到比峰值约低
不爆炸、不起火
最高温度<150℃
No fire
1
0 ℃时试验结束。观察电池的温度及外观变化。Standard
常温短路性能
Short Circuit at
Room
charged. Keep the battery into a ventilation cabinet and
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short-circuit the positive and negative terminals directly (general
resistance shall be 六一儿童节演讲稿less than or equal to 50mΩ). Stop the test
when the temperature falls to value 10 ℃ lower than the peak
value. Obrve the variation of the battery’s appearance and
temperature.
No explosion
Temperature
perature<150
℃
挤压测试前电池用0.2C 充满电,搁置24 positive是什么意思小时。从径向挤压
压力达到13KN。
不着火不爆炸
No fire and no
detachmentexplosion
挤压测试
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Crush
Charge at 0.2C,and then leave for 24hrs, The crushing was
continued until a force of 3000 lb (13 kN)
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电池标准充电后,放在平面上,并与热电偶相连,将一直径
为15.8mm 的棒放在电池高度方向中间位置,让重量9.1kg 的
重物从610mm 高度自由垂落至冲击台面。
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重物冲击性能
不爆炸、不起火