EFB battery separator
Brand: JHTD
Product origin: China
Delivery time: 10 working days
Supply capacity: 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.
CUSTOMIZATION: Thickness, width and length and type are according to the customer's request.
EFB Battery Separator
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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 Separator Details
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 |
