22 Years' Battery Customization
May 22, 2023 Pageview：377
Cold temperatures invariably affect battery performance. However, LiFePO4, also known as lithium iron phosphate batteries, exhibits a remarkable capacity for maintaining both voltage and charge retention in colder conditions when compared to alternative options like lead-acid or other battery types. Nevertheless, it is crucial to note that these batteries experience a decline in electrical performance when temperatures plummet below freezing. Under extremely cold circumstances, the batteries may even fail to transfer any charge whatsoever. Recognizing this limitation, certain battery manufacturers have taken proactive measures by developing low-temperature lithium iron phosphate batteries. In this article, we will delve into the intricate details of the effect of lithium iron phosphate batteries in low-temperature environment.
What are the effects of lithium iron phosphate batteries in low-temperature environments?
Lithium-ion batteries are far better in wintery conditions than other battery kinds, but even still should take care of them. With the correct preventative measures, your batteries could thrive this winter. Lithium-ion batteries require to be stored at appropriate temperatures, and failing to recognize this could ruin the batteries' quality. To protect your batteries, let’s first look into the effects of lithium iron phosphate batteries in low-temperature environments.
A battery’s function is to store & release energy. Cold weather can hamper these significant functions. Just like it takes your body several minutes to warm up after being outside, the same applies to your battery. Cold temperatures upsurge the internal resistance of a battery. This could lower the battery’s capacity. The battery cannot release as much energy or hold a charge in cool temperatures.
This means you must charge the batteries more often during winter weather. Another significant thing to remember is that the lifespan of a battery only contains so many charging cycles. This is something you desire to preserve, not waste. If you charge the battery several times, the lifespan will be decreased.
Are there any lithium battery manufacturers that can overcome these effects?
Low-temperature lithium-ion batteries are usually used in aviation and aerospace flights, military weapons, missile loading kits, freezing north & south poles, power communication equipment, intelligent robots, railways, medical electronics, ships, etc. At this phase in the world, there are quite a few low-temperature lithium battery companies. Still, there are relatively few renowned low-temperature lithium battery brands with comparatively comprehensive solid strength.
Among various manufacturers offering LiFePO4 batteries are Relion, Lithium battery solution, Grepow, Battle Born, Victron Energy, Renogy, Fortress, Himassi, and Dongguan Large Electronics Co.
The working atmosphere of Grepow's low-temperature lithium iron phosphate batteries ranges from -50 ℃ to 50 ℃. Under low temperatures, the batteries can attain a lower internal resistance and, therefore, a high discharge rate. Compared with standard Lithium Polymer batteries, Grepow's batteries have discharge temperature restrictions of -20℃ to 60℃. Grepow low-temperature batteries are mainly produced for car trackers, military radios, GPS, aerospace, polar science, cold belt rescue, winter clothes, and other systems.
RELiON’s LT Series batteries are designed to work in cold-weather environments by heating the battery before charging it with a specialized heating element. This battery is the perfect choice for RVs, electric vehicles, off-grid solar, and any device that requires charging in cooler temperatures.
RELiON’s LT Series is specifically designed for cold charging, using a charge current to heat the battery beforehand, and allowing charge. With the LT series, you could start the charge below 0°C (32°F).
Himassi Low-Temperature Lithium Batteries are cold-weather rated, designed for America's cold weather. This Low Tempe Battery has an in-built heating system (No extra components are required). The heating system automatically starts once charging below 0°C is tried and automatically disables when it is no longer needed. The charging temperature for lithium batteries from their Smart Low Temp series is -20 °C to 50 °C
Low-temperature Performance of Lithium Iron Phosphate Battery of Dongguan Large Electronics Co. Ltd
Dongguan Large Electronics manufactures lithium-ion batteries & battery packs for medical equipment, robots, mobiles, and other electronic equipment. They also offer lithium iron phosphate (LiFePO 4) batteries and lithium polymer batteries for energy storage systems, power tools, and household electronics. The batteries can operate in a low-temperature range of -40 degree Celsius to 80 degrees Celsius. The company operates an R & D facility for developing battery technologies and owns patents.
Their Low-temperature lithium battery is a special battery specially developed for the intrinsic temperature defect of chemical power supply. Adopting advanced design concepts, it has advanced formula systems and materials and rigorous manufacturing processes and methods. They overcame many technical bottlenecks and developed a series of low-temperature lithium battery products.
Their Low-temperature lithium iron phosphate battery adopts unique processes and special materials. It has excellent charging and discharging performance under low temperatures. It could be used at -40℃~60℃, and the discharging capacity of 0.2C at -40℃ is over 80% of the initial capacity, so it is appropriate for subzero temperatures. C-rate is defined as the charge/discharge current divided by the nominally rated battery capacity.
Features of Large Low-temperature lithium iron phosphate battery
●-40 ℃ 0.2 C discharge capacity ≥90%
●-50 ℃ 0.2 C discharge capacity ≥75%
●Low temp charge and discharge: -20 ℃ charge & -40 ℃ discharge
● Low temp high rate: -40 ℃ 5 C continuous discharge, the capacity retention rate ≥80%
●Low temp over acupuncture: over acupuncture, heavy impact, and other safety tests
●Low temp high energy density: about 220~240 Wh/kg
●Stable operation at a low temp of -40~55 ℃
What care should be taken to Lithium Batteries in Cold Weather?
Warm Up Battery before Using It
To ensure optimal performance and longevity of your lithium iron phosphate battery, it is recommended to warm it up for several minutes before initiating operation. By taking this precautionary step and warming up your battery, you can avoid subjecting it to the potential shock caused by an abrupt jump-start.
Store Battery in Mild Temperatures
It is st significant to know the ideal temperature for battery storage. That range is between 32 degrees Fahrenheit & 80 degrees Fahrenheit, but that does not mean lithium batteries will not work beyond those temperatures. They will, but with reduced capacity. You might notice that they lose their charge faster than usual.
Charge the Battery Regularly
Unlike many batteries, Lithium-ion Batteries could be used & discharged no matter how cold it gets without causing impairment.
But you do not want to charge your battery in temperatures under 32 ℃ Fahrenheit. Getting your battery out of the chilly zone is vital before charging it. Using solar panels might be a brilliant option! Solar panels could help keep your batteries up & going, even in the middle of practically freezing conditions.
Conclusion
Hope you got proper idea about the effect of lithium iron phosphate battery in low temperature environment. Dongguan Large Electronics Co., Ltd's low-intensity lithium iron phosphate battery performs best in icy weather conditions. But try to maintain the safety tips manufacturers have recommended increasing the lifecycle and performance.
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