What kinds of rechargeable low-temperature lithium batteries are there?

What kinds of rechargeable low-temperature lithium batteries are there?

In our daily lives, whenever our batteries touch low temperatures, it feels as if they suddenly run out of power, even if they have just been fully charged. This is because the battery is affected by temperature, which leads to this situation. At this point, some might ask, “Which battery isn’t afraid of the cold?” “This is precisely the main goal of this paper: to introduce you to low-temperature resistant batteries.
What is a low-temperature resistant lithium battery?
Generally speaking, most of what we see in daily life are chemical batteries, and these cells lose their activity at low temperatures, resulting in reduced performance or even failure to function under these conditions. So, which type of battery is not affected by temperature? If low-temperature resistant compounds are added to ordinary chemical batteries, the battery will no longer be afraid of low temperatures. Low-temperature lithium polymer batteries, low-temperature 18650 lithium batteries, and low-temperature lithium iron phosphate batteries are currently commonly used low-temperature batteries on the market.
Low-temperature polymer lithium batteries
The discharge rate is relatively high at extremely low temperatures, with a discharge rate of -40°C at 0.2°C and a discharge rate greater than 60%; When the discharge temperature is 0.2°C, the discharge efficiency can reach over 80% at -30°C;Operating temperature from -40°C to 85°C;It has excellent low-temperature cycling characteristics; under -30°C conditions, after 300 cycles, the capacitance can still remain above 85% after 0.5 C charging;

It has high safety standards and has obtained UL/CE/UN certifications;

Product sizes are flexible, allowing for design of size and shape according to user requirements;

Compared to conventional lithium-polymer anodes, it can break the -40°C to 30°C limit, offering broad application prospects.

Capable of mass production and excellent battery stability;

At -40°C, it can generate a large current and maintain high operating capacity;

It maintains good working condition even under -40°C conditions;

Suitable for severe cold regions, special equipment, and similar occasions.

18650 low-temperature lithium battery
Nominal voltage: 3.7 VRated capacity: ——Supported rate release: 2°C

Charging temperature: 0°C~45°C

Discharge temperature: -40°C~85°C

Assembly mode: 18650 single piece – customizable protective cover and PACK

The current 18650 lithium battery can be realized within the following ranges:

In environments of -40-85°C, discharge at a rate of 0.2°C, with an effective discharge capacity of 40%-55% and an effective cycle life exceeding 180 cycles;

In the -30~85°C temperature range, at a rate of 0.2°C, the discharge capacity is greater than 65%; at a rate of 1°C, the discharge capacity is greater than 60%; Can be repeated more than 200 times.

In environments of -20~85°C, discharge at a rate of 0.2°C, with an effective discharge capacity greater than 80%, and can be reused 300 times.

These basic data may have some deviations in practical applications, since the application environment is complex and cannot be generalized. In terms of application, because the battery’s performance and size are fixed, its range of use is relatively small, but its manufacturing cost is lower, lower than that of low-temperature polymer lithium batteries and low-temperature lithium iron phosphate batteries.

Low-temperature lithium iron phosphate
Using lamination technology reduces internal resistance;Excellent low-temperature operating characteristics: 0.5°C, -40°C, discharge capacity can exceed 60%; When the discharge temperature is 0.3°C and -35°C, its charge/discharge capacity can reach over 70%;The operating temperature ranges from -40°C to 55°C, with significant temperature variations;

Charge/discharge temperature -20°C;

Made with chemical materials such as lithium iron phosphate, ensuring safe and reliable use with a longer service life;

Size is adjustable and can be customized according to user requirements.

32650 low-temperature lithium battery

Nominal voltage: 3.2V

Rated capacity: 3300mAh

Supported rate release: 2°C

Charging temperature: -20°C~45°C

Discharge temperature: -40°C~60°C

Combination mode: Supports multiple series and multi-parallel combinations of single 18650/26650/32650 lithium batteries with custom protection boards