Compasion Of Ternary Lithium Battery And Lithium Ion Phosphate Battery

lithium iron phosphate battery and lithium ternary battery are currently the two main battery technology paths in new energy vehicles. Although these two battery types compete in a variety of application areas, the competition in the area of new energy vehicles is the key one as this is where lithium batteries are used the most in China. There must be comparison since there is competition. Based on the cost of the car, a comparison of battery cost and performance is made. It is vital to set the settings and obtain the precise specifications of the two types of batteries in order to compare the performance of the two types of batteries and determine which one is better. Although there are slight variations in certain test settings, the results of the studies conducted by relevant laboratories, new energy vehicle manufacturers, and power battery manufacturers generally support this assertion. As a result, we compare using representative parameters. The key differences between ternary lithium batteries and lithium iron phosphate batteries are in terms of "energy density" and "safety." Though ternary lithium batteries offer a higher energy density, there are frequently concerns about their safety. Despite having a low energy density, lithium iron phosphate batteries are thought to be safer. Like the well-known 18650 cells, which measure 18 mm in diameter and 65 mm in height, Ternary lithium batteries have a maximum capacity of 3500 mah, however LiFePO4 batteries can only achieve 2000 mah in the same space.

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Are lithium iron phosphate batteries batter?

A LiFePO4 battery may be fully charged in less than two hours, and when it is not in use, it self-discharges at a rate of just 2% per month as opposed to 30% for lead-acid batteries. Lithium-ion polymer (LFP) batteries have a four times higher energy density when compared to lead-acid batteries. These batteries can be charged quickly because they are available at 100% of their full capacity. These factors contribute to the high electrochemical efficiency of LiFePO4 batteries.

The use of battery energy storage equipment may enable businesses to spend less on electricity. Extra renewable energy is stored in the battery systems for later use by the business. Companies are forced to buy energy from the grid rather than employing their own previously developed resources in the absence of an energy storage system.

Even when the battery is only 50% full, it continues to provide the same amount of current and power. Unlike their rivals, LFP batteries can operate in warm environments. Iron phosphate has a strong crystal structure that resists breakdown during charging and discharging, resulting in cycle endurance and a longer lifespan.

The enhancement of LiFePO4 batteries is caused by a number of factors, including their light weight. They weigh about half as much as regular lithium batteries and seventy percent as much as lead batteries. When a LiFePO4 battery is used in a vehicle, gas consumption is decreased and manoeuvrability is improved.

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Compared to lead-acid batteries and other lithium batteries, lithium iron phosphate batteries (LiFePO4 or LFP) have a number of advantages. Improved discharge and charge efficiency, longer life term, no maintenance, maximum safety, lightweight, to name a few. Although LiFePO4 batteries are not the most affordable on the market, they are the best long-term investment due to their extended lifespan and lack of maintenance.

The Difference Between Ternary lithium battery and LiFePO4

In actuality, we can't say whether ternary lithium or LiFePO4 batteries are inherently good or bad; rather, each type of battery has its own strengths and weaknesses. The ternary lithium battery, for example, excels in terms of energy storage density and low-temperature resistance.

First off, ternary lithium batteries have an energy density that is 240 WH/kg, which is over 1.7 times greater than that of LiFePO4's 140 WH/kg due to the high voltage. While the performance of NCA (nickel-cobalt-aluminum) and NCM (nickel-cobalt-manganese) batteries is superior, due to the lower thermal escape temperature, strict production requirements, high costs, and technology that is under the control of Japanese and Korean companies, we focus on developing NCM batteries, which are currently divided into 111, 523, 622, and 811 according to different ternary material ratios.

The resilience to low temperatures is the second. The maximum operating temperature of a ternary lithium battery is -30 °C, whereas the maximum operating temperature of a LiFePO4 battery is -20 °C, which is preferable. In the same low-temperature conditions, the ternary lithium battery winter attenuation is less than 15%, which is significantly higher than the attenuation of up to 30%, which is more suited for the northern market. Because of this, BYD does well in the south, but finding customers in the north is challenging.

The life of a LiFePO4 battery is considerably longer. Because LiFePO4 can be charged and discharged more than 3500 times before it starts to degrade, it has an estimated service life of 10 years. In contrast, ternary lithium batteries can only be charged and discharged 1000 times, giving them a service life of only 3 years. This is a very significant difference between their lifespans.

LiFePO4 batteries are less expensive to produce. Because LiFePO4 batteries don't contain any precious metals, their production costs are substantially lower. When compared to electrolytic nickel, which has a price of just 110,000 yuan/ton, ternary lithium batteries require cobalt metal, which has 70% of its reserves in the Congo, Africa. As a result, the price of imports has skyrocketed.

Why LiFePO4 battery is more safe than tenary lithium battery?

The safety of LiFePO4 batteries is superior. Because the thermal runaway temperature that causes LiFePO4 batteries to fail is typically greater than 500 degrees, ternary lithium batteries are less than 300 degrees, and some high nickel batteries are even less than 200 degrees, there is little chance that LiFePO4 will spontaneously burn while being driven at high speeds or being charged quickly. The lithium iron phosphate battery has excellent safety performance and is chemically stable. LiFePO4 batteries' internal chemical structure doesn't start to break down until temperatures get to 500–600 °C. Furthermore, no oxygen molecules will be released and no rapid combustion will take place even if the LiFePO4 battery is destroyed. At about 300°C, the battery starts to break down.