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Sodium-ion Battery / Na-ion Battery

The sodium-ion battery (NIB or SIB) is a type of rechargeable battery that uses sodium ions (Na+) as its charge carriers. Its working principle and cell construction in some case are similar to those of lithium-ion battery (LIB) types, but replace lithium with sodium. The largest advantage of sodium-ion batteries is the natural abundance of sodium, in contrast to the uneven geographic distribution, high environmental impact and high cost of many of the materials required for lithium-ion batteries such as lithium, cobalt, copper and nickel.

Na-ion batteries can use a number of different materials as electrodes. The most common combination is that of sodium transition metal oxides (cathode) and hard carbon (anode). Na-ion batteries typically use non-aqueous carbonate ester polar aprotic solvents (including ethylene carbonate, dimethyl carbonate, diethyl carbonate, and propylene carbonate) as an electrolyte, which extends the voltage range. The most widely used non-aqueous electrolyte uses sodium hexafluorophosphate as the salt dissolved in a mixture of these solvents. Additionally, electrolyte additives can improve performance metrics.

Sodium-ion batteries have several advantages over competing battery technologies. Compared to lithium-ion batteries, sodium-ion batteries have somewhat lower cost, slightly lower energy density, better safety characteristics, and similar power delivery characteristics.

CETC manufactures and supplies high-quality sodium-ion battery cells and packs for installers and customers all over the world. All the batteries are subject to stringent quality controls throughout every step of the manufacturing and through to their final dispatch.

Specification of Sodium-ion Battery Pack / BESS
Battery Pack Nominal Capacity
4800 Wh
3552 Wh
2400 Wh
2840 Wh
Battery Pack Usable Capacity
4560 Wh
3374 Wh
2280 Wh
2550 Wh
Nominal Voltage
48 VDC
48 VDC
48 VDC
25.6 VDC
Nominal Capacity
100 Ah
74 Ah
50 Ah
111 Ah
DOD
95%
95%
95%
90%
Weight
39.7 kg
32 kg
22.5 kg
27.5 kg
Dimension
442*420*161 mm
442*420*132 mm
442*420*89 mm
442*420*120 mm
Charge / Discharge Current (A)
80Ah (Recommend)
100Ah@ (Max. Continuous)
101~120Ah@15min (Peak1)
121~200Ah@15sec (Peak2)
37Ah (Recommend)
37Ah@ (Max. Continuous)
74~89Ah@60sec (Peak1)
90~200Ah@15sec (Peak2)
25Ah (Recommend)
25Ah@ (Max. Continuous)
50~89Ah@60sec (Peak1)
90~200Ah@15sec (Peak2)
56Ah@ (Continuous)
100Ah@15sec (Peak)
Communication Port
RS485, CAN
RS485, CAN
RS485, CAN
RS485, CAN
Single String Quantity
16 pcs
16 pcs
16 pcs
8 pcs
Working Temperature
0~50°C
0~50°C
0~50°C
0~50°C
Shelf Temperature
-20~60°C
-20~60°C
-20~60°C
-20~60°C
Short current / Duration time
≤2000A / 1ms
≤4000A / 2ms
≤4000A / 2ms
≤4000A / 2ms
IP Rating of Enclosure
IP20
IP20
IP20
IP20
Cooling Type
Natural
Natural
Natural
Natural
Humidity
5%~95% (RH), No Condensation
5%~95% (RH), No Condensation
5%~95% (RH), No Condensation
5%~95% (RH), No Condensation
Altitude
≤4000m
≤4000m
≤4000m
≤4000m
Service Life
15+ years (20°C)
15+ years (20°C)
15+ years (20°C)
15+ years (20°C)
Cycle Life
≥6000 cycles, 25°C
≥6000 cycles, 25°C
≥6000 cycles, 25°C
≥6000 cycles, 25°C

 

Specification of All-in-One Sodium-ion Battery Cabinet ESS
Nominal Battery Capacity
113.7 kWh
Battery DC Voltage Range
696~864 V
Battery Max. Operation Current
148 A
Battery Efficiency
95%
Rated AC Power
60 (expandable to 4*60)
Rated AC Output Voltage
400 V
Rated AC Output Frequency
50/60 Hz
Max. AC Current
86 A
Overload Capacity
110%@1min
AC PF
0.8leading~0.8lagging
THDi
3%
Isolation Type
Non-Isolation
Peak Efficiency
98.5%
Unbalanced Capacity
100%
Output Voltage Accuracy
1%
Voltage Harmonic Distortion
2%@lineload
Overload Capacity
≤110%
PV Input Voltage
200~800 VDC
Max. PV Input Current
100 A
Max. PV Input Efficiency
98.5%
Weight
2600 kg (including batteries)
Dimension
2320*1500*1107.5 mm
On/Off-Grid Switch
Optional STS module, switching time≤20ms
EMS
10-inch LCD Touch Panel
Self-Consumption; Micro-Grid Control;
Demand Response; Remote Control; Time of Use
Communication Type
Modbus TCP/IP
Working Temperature
-20~60°C
IP Rating of Enclosure
IP54
Humidity
0%~95% (RH)
Fire Extinguishing
Perfluoro
Air Conditioner
2 kW
Anti-Corrosion
C3 (Optional upgrade to C5)
Altitude
≤3000m

 

Specification of Cylindrical Sodium-ion Battery Cell
Anode Material
Hard Carbon
Cathode Material
Sodium Transition Metal Oxides
Type
Cylindrical Battery Cell
Safety / Reliability

All tests are in full compliance with requirements of GB/T 31485-2015 and GB/T 31486-2015.
1. Overcharge test: no fire; no explosion.
2. Overdischarge test: no fire; no explosion; no leakage of electrolyte.
3. Short circuit test: no fire; no explosion.
4. Drop test: no fire; no explosion; no leakage of electrolyte.
5. Heating test: no fire; no explosion.
6. Extrusion test: no fire; no explosion.
7. Salt water immersion test: no fire; no explosion.
8. Temperature cycling test: no fire; no explosion; no leakage of electrolyte.
9. Low atmospheric pressure test: no fire; no explosion; no leakage of electrolyte.
10. Vibration test: no sharp change of discharge current; no abnormal voltage; no battery case deformation; no leakage of electrolyte; connection retains reliable and structure is still well.

Model Number
32700-SiB-5Ah
040220-SiB-10Ah
040182-SiB-10Ah
040220-SiB-15Ah
Grade
A
A
A
A
Size
Φ32.5±0.5mm x 70.5±1mm
Φ40.5±0.5mm x 220±1mm
Φ40.5±0.5mm x 182±1mm
Φ40.5±0.5mm x 220±1mm
Weight
140±5 g
440±5 g
408±5 g
518±5 g
Nominal Capacity
4.7 Ah
10 Ah
10 Ah
15 Ah
Nominal Voltage
3.0 V
3.0 V
3.0 V
3.0 V
Cycle Life
≥1500 cycles
≥1500 cycles
≥1500 cycles
≥1500 cycles

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