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What are LiFePO4 batteries and why they are the best

through Adminlitime-de 18 Nov 2022
Was sind LiFePO4-Batterien und warum sie die besten sind
Lithium-ion batteries are a much newer innovation that has grown in popularity in recent years as they have proven to be a valuable source of power for electronic devices large and small. Among them, the LiFePO4 lithium batteries have prevailed because they are not only safer but also have many advantages over other lithium batteries, especially in high power applications. In this article, we will discuss the pros and cons of traditional lithium batteries and examine why LiFePO4 lithium batteries are the best.

What is a LiFePO4 battery?
The term LiFePO4 battery refers to a lithium-ion battery that uses lithium iron phosphate as the positive electrode material. The main advantages are high current and long cycle life, as well as good thermal stability, increased safety and tolerance to misuse.

How Lithium Batteries Are Named
In the industry, the battery is usually named after the positive electrode material. The negative electrode is generally made of graphite. In the lithium cobalt oxide battery, lithium cobalt oxide is used as the positive electrode material. Similarly, the lithium iron phosphate battery uses lithium iron phosphate as the positive electrode material.

Advantages and disadvantages of other lithium batteries
Lithium batteries also include:

▲ Lithium cobalt oxide (LiCoO22)

Due to the high specific energy, LiCoO22 is often used to power mobile phones, laptops and digital cameras. The disadvantages of lithium cobalt oxide are a relatively short lifetime, low thermal stability and limited load capacity (specific power).

▲ Lithium Nickel Manganese Cobalt Oxide (LiNiMnCoO2)

Lithium Nickel Manganese Cobalt batteries, abbreviated NMC batteries, are a popular choice for power tools, e-bikes and other electric drives. It offers strong overall performance, excellent specific energy and the lowest self-heating rate, making it the preferred option for automotive batteries.

▲ Lithium Titanate (LTO)

The lithium titanate battery (LTO) charges faster than other lithium ion batteries, but has a much lower energy density. LTO batteries are more likely to be used in car audio applications and mobile medical devices.

▲ Lithium Manganese Oxide (LiMn2O4)

Lithium manganese batteries can be discharged with a current of 20-30A with moderate heat generation, and the battery temperature does not exceed 80°C. They are mainly used in power tools, medical devices and in hybrid and pure electric vehicles. The capacity of lithium manganate is about a third less than that of lithium cobalt.

▲ Lithium Nickel Cobalt Aluminum Oxide (LiNiCoAlO2)

It provides high specific energy, quite good specific power and long life. Security and cost are less flattering. It is best suited for medium-power applications that require high energy density, e.g. B medical devices, industrial applications, electric drives (Tesla)

How LiFePO4 batteries evolve
Phosphate was first discovered in 1996 at the University of Texas as a cathode material for rechargeable lithium batteries. Back then, scientists realized that cathode materials are better alternatives for lithium-ion batteries because they offer good electrochemical performances with low resistance. High current capacity, increasing thermal stability, improved safety, environmental friendliness and long cycle life - all these are the advantages of LiFePO4 lithium batteries born with it.

Today, LiFePO4 lithium batteries are used everywhere, especially in portable and stationary devices that require high load currents and long life: RVs, trolling motors, bass boats, car stereos, home solar systems, golf carts, electric motorcycles, vehicles and other network-independent applications.

LiFePO4 batteries cost less than most of their alternatives when cycle times are increased to ensure longer life, and they represent a very promising future for the lithium battery industry.

But what makes LiFePO4 lithium battery a better choice?
Let's break down 10 advantages of LiTime LiFePO4 lithium iron phosphate batteries:

The LiTime LiFePO4 lithium iron phosphate battery The battery is equipped with an intelligent battery management system (BMS) that takes full advantage of lithium batteries such as high energy density, good temperature behavior and excellent charging and discharging performance. It is environmentally friendly, safe, reliable, truly maintenance-free and offers a very long service life.

★High energy density, compact size and light weight save a lot of installation space.

★4000+ cycle life, 10+ year long life, high return on investment over the entire life cycle.

★Safe and reliable battery system, from cell selection, BMS safety management, thermal management and control, PACK process, fire early warning and fire linkage, etc. to create a safe and reliable battery system.

★Lithium iron phosphate batteries do not contain heavy metals and acid or other elements that are harmful to the human body or the environment. It complies with EU RoHS regulations and is environmentally friendly.

★Good temperature performance, can adapt to a wide temperature range of -20℃-55℃, saving battery running cost.

★Superior charging and discharging performance, which can meet customers' different charging and discharging rate requirements.

★No memory effect, truly maintenance-free, effectively reducing maintenance costs.

★Have a "heart" and a "brain" to realize truly intelligent management.

★Supports series/parallel connections for different voltage levels and different capacities.

★It can directly replace the lead-acid battery. The usage and wiring methods are the same as the traditional lead-acid battery, and it can be seamlessly connected to the original power system.

LiFePO4 lithium batteries are ideal for everyday use as an emergency power supply at home. They also have incredible benefits for RVs, trailers, trolling motors, fishing boats, kayaks and more.
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