EFB battery separator

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EFB battery separator
  • JHTD
  • China
  • 10 working day
  • Sufficient capacity, can meet the needs of any well-known large customer

1. EFB separator is used for EFB battery.
2. Pioneer in current battery industry.

EFB Battery Separator Comparison

 

No.

Item

Unit

BFR NEFBS

Competitor 1

Competitor 2

1

Backweb Thickness

mm

0.266

0.252

0.257

2

Total Oil Content

%

15.7

14.8

15.3

3

ER

mΩ.cm2

56

54

78

4

Porosity

%

64.2

59.2

58.1

5

CMD

%

499

453

348

 

 

EFB Battery Data

1)Tested battery type:6-QW-59

2)Separator type:161×0.8×0.25mm(18 ribs)

3)Assembling:With positive plate enveloped.

4)Cranking performance test:Discharge 10 s at 640 A and record the voltage. After a rest period of 10 s, the battery shall then be discharged at 320 A, the discharge shall be terminated when the battery voltage reaches 6 V.

5) Water loss unit:g/Ah

6)Water loss test method:Charging battery at 14.4V constant voltage in the water bath of 60±2 ℃. The battery weight was measured every 21 days for 84 days.

7)Life cycle test method:VW 75073-2017

 

 

EFB separator C20 and CCA testing data

No.

Item

Specification

BFR NEFBS

Competitor 1

1

C20

≥59Ah

66

66

2

CCA

≥7.5V

7.8

7.7

≥9.0V

9.6

9.5

≥130S

199

195

 

 

EFB separator water loss testing data

No.

Time

VW Specification

BFR

NEFBS

Competitor 1

Battery 1

Battery 2

Battery 3

1

21 days

-

0.56

0.76

0.73

2

42 days

≤3

1.05

1.17

1.14

3

63 days

-

1.43

1.59

1.58

4

84 days

≤5 Tropical Region)

2.13

2.19

2.20

 

  

   

EFB separator data after water loss test after 84 days

No.

Item

Unit

BFR NEFBS

Competitor 1

Competitor 2

1

ER

mΩ.cm2

56

54

78

2

Electrical Resistance after battery water loss test

mΩ.cm2

65

68

94

3

CMD

%

499

453

348

4

CMD after battery water loss test

%

297

200

190

 

 

EFB separator life cycle testing data

No.

Item

Specification

BFR

NEFBS

Competitor 1

1

  (26℃)

  17,5% DoD

≥18

18

18

2

  (60℃)

  17,5% DoD

≥12

12

12

3

 (40℃)

  50% DoD

≥240

240

240

4

  (75℃)

  Cell connector test

≥10

11

10

 

 

Dynamic current charging acceptance

No.

Dynamic current charging acceptance

Specification

BFR

NEFBS

1

90%SOC:1s

≥29.5A

41.0

2

90%SOC:60s

≥23.6A

30.7

3

80%SOC:1s

≥59.0A

61.8

4

80%SOC:60s

≥35.4A

38.0

5

70%SOC:1s

≥88.5A

106.3

6

70%SOC:60s

≥47.2A

66.8

7

60%SOC:1s

≥118.0A

118.0

8

60%SOC:60s

≥59.0A

66.7

 


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