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Introduction: Due to the chemical properties of lithium iron phosphate batteries, they cannot work in temperatures below zero. So, what is the reason for lithium iron phosphate batteries that can still work in temperatures below zero 10 degrees?
I believe many friends know that lithium iron phosphate batteries have two major advantages compared to ternary lithium batteries, which are cycle life and energy density. Under experimental conditions, the remaining capacity of the lithium iron phosphate battery is 84% after 5000 cycles, and it can still maintain over 80% of its initial capacity after 5000 cycles of 1C; After 3900 cycles, the remaining capacity of the ternary lithium battery is only 66%, and after 2500 cycles of 1C, it drops to 80% of the initial capacity. In addition, the energy density of lithium iron phosphate batteries is 120Wh/kg, which has basically reached the theoretical limit, while the energy density of ternary batteries is 180Wh/kg, and there is still a lot of room for improvement in the future.
However, the only drawback of lithium iron phosphate batteries is their poor low-temperature performance. Under low temperature conditions (temperatures below -10 ℃), lithium iron phosphate batteries decay very quickly. After less than 100 charge and discharge cycles, the battery capacity will decrease to 20% of its initial capacity, which is basically insulated from use in cold regions.
Fortunately, Dongguan Juda Electronics Co., Ltd. has developed a lithium iron phosphate battery that can work normally at minus 40 degrees Celsius, breaking the market gap in one fell swoop. It is worth mentioning that this minus 40 degree battery is different from most low-temperature battery (customizable) products on the market. Juda low-temperature batteries are truly low-temperature.
1. Adopting superposition technology, low internal resistance;
2. Discharge at -40 ℃ 0.2C, with a discharge capacity exceeding 90% of the initial capacity;
3. Discharge at -50 ℃ 0.2C, with a discharge capacity exceeding 75% of the initial capacity;
4. Wide working temperature range, from -40 ℃ to 55 ℃;
5. Can be charged at -40 ℃;
6. Using lithium iron phosphate chemical substance, high safety and long cycle life;
7. Suitable for polar scientific research, cold zone rescue, special robots, special equipment, medical equipment and other fields
Characteristics of Low Temperature Lithium Iron Phosphate Battery
By using proprietary electrolyte formulas and other special functional raw materials, coupled with leading innovative technology, the battery ensures efficient discharge performance at extremely low temperatures. The discharge capacity exceeds 85% of the initial capacity at -20 ℃ at 0.2C, 70% at -30 ℃, and approximately 55% at -40 ℃. The working temperature ranges from -40 ℃ to 55 ℃. Combined with the high cycle life of lithium iron phosphate batteries, it has solved many problems for equipment manufacturers in one fell swoop. Flexible in size and capable of professional customization.
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