LFP(LiFePO4) Battery

来源:sindy 发布时间:2022-05-18 16:54:22 点击数:

The lithium iron phosphate battery is a lithium ion battery using lithium iron phosphate (LiFePO4) as the positive electrode material and carbon as the negative electrode material.The cell voltage is 3.2V,and the charge cut-off voltage is 3.6V~3.65V.

LFP battery characteristics

Characteristics

LFP Battery

Nomal Voltage

3.2V

Working Voltage

3.0V-3.3V

highest energy density WH/KG

175

Charge rate

2

Discharge rate

10

Cycle life time(charge 1C,discharge 2C)

>95%,500 times

High current discharge cycle life(charge 1C,discharge 5C)

>80%,300times

Safety

No burn,No explode

0 voltage storage for 30 days

No damage

The performance of LFP power battery and other battery


General lithium-ion battery

Lithium-ion power battery

LFP power battery

NiMH batteries

unit or test condition

Normal Voltage

3.6-3.7

3.6-3.7

3.2

1.2

V

Working voltage

3.0~4.2

3.0~4.2

3.0~3.3

1.0~1.4

V

unit mass capacity

180

130

130

80

mAb/g

energy per unit mass

90~110

60~75

60~75

50~60

Wb/kg

energy per unit volume

280~300

220~240

220~240

200~220

Wb/L

best charging rate

0.2~0.5

0.5~1.0

0.5~1.5

0.2~0.5

C

Working discharge rate

1

2

2

0.5

Cm A

Hight discharge rate

1.5

5

10

2

Cm A

Instantaneous high current pulse

2

10

20

3

Cm A

Cycle life time

60% 100times

85% 300times

>95% 500times

<50% 50times

1CmA charge

2CmA discharge

Cycle life at high current discharge

-

60% 300times

>80% 300times

<50% 10 times

1CmA charge

5CmA discharge

Safety

May burn, explode

May burn, explode

No burn,no explode

May burn,

-

0-voltage storage for 30 days

leak, damage

leak, damage

No damage

leak, damage

-


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