Type: | Sodium Ion Battery |
---|---|
Usage: | Car, Bus, UPS, Electric Power, Lighting, Electric Bicycle, Boat |
Nominal Voltage: | 3.0V |
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No. | Parameter | Specification | Unit | Conditions/Notes |
1 | Nominal Capacity (@3.95V~2.0V) | 200 | Ah | 0.33C @25ºC |
2 | Rated Voltage | 3.0 | V | - |
3 | AC Impedance | ≤0.25 | mΩ | AC 1 kHz, 3.0V |
4 | DC Impedance | ≤0.8 | mΩ | 2C pulse (30s), 3.0V |
5 | Battery Weight | 5 ±0.2 | kg | - |
6 | Battery Dimensions | Thickness: 72±0.5 mm Width: 173.7±0.7 mm Height (without terminals): 204±0.5 mm Height (with terminals): 207±0.5 mm |
mm | Physical dimensions (thickness tested under 300±20 kgf pressure) |
7 | Charge Cut-off Voltage | 3.95 V 3.65 V 3.40 V |
V | Temperature-dependent: T >0°C 0°C ≥T >-10°C -10°C ≥T >-20°C |
8 | Discharge Cut-off Voltage | 2.0 | V | Can discharge to 1.5V |
9 | Standard Continuous Charge Current | 66 | A | 0.33C |
10 | Max Continuous Charge Current | 200 | A | 1C |
11 | Standard Continuous Discharge Current | 66 | A | 0.33C |
12 | Max Continuous Discharge Current | 200 | A | 1C |
13 | Energy Density | ≥120 | Wh/kg | - |
Item | Battery Surface Temp. | Max Continuous Charge Rate |
Charging Performance | >60°C | Charging prohibited |
35°C < T ≤60°C | 0.5C | |
20°C < T ≤35°C | 1.0C | |
10°C < T ≤20°C | 0.5C | |
0°C < T ≤10°C | 0.25C | |
-10°C < T ≤0°C | 0.1C | |
-20°C < T ≤-10°C | 0.1C |
Sub-Item | Battery Surface Temp. | Specification | Conditions |
Rate Charging Performance |
25°C ±2°C | Charged capacity ≥90% of nominal | 1C CC to 3.95V, temperature rise ≤15°C |
Item | Parameter | Performance | Conditions |
Discharge Performance | -40°C | ≥70% | Discharge capacity relative to nominal capacity (0.33C, 12h rest) |
-30°C | ≥75% | ||
-20°C | ≥85% | ||
0°C | ≥95% | ||
45°C | ≥98% | ||
60°C | ≥95% |
Sub-Item | Parameter | Performance | Conditions |
Discharge Temp. Range | -40°C~60°C | - | Stop operation if battery temperature exceeds this range |
Standard Discharge Current | 0.33C | 100% | Relative capacity at 25°C (standard charge/discharge) |
Max Continuous Discharge Current | 1C | ≥95% | |
Other Discharge Current | 0.5C | ≥97% |
Item | Parameter | Performance | Conditions | Notes |
High-Temperature Cycle | ≥1500 cycles | Capacity retention ≥70% | 45°C, 0.33C charge/discharge | Depends on usage conditions |
Room-Temperature Cycle | ≥3500 cycles | Capacity retention ≥70% | 25°C, 0.33C charge/discharge | |
≥4000 cycles | Capacity retention ≥70% | 25°C, 0.33C charge/discharge, voltage range 2.0-3.9V (95% DOD) | ||
Rate Cycle | ≥1500 cycles | Capacity retention ≥70% | 25°C, 1C charge/discharge |