The positive electrode in lithium-ion batteries is made of lithium iron phosphate, a material that provides a number of advantages for security and longevity. They are among the most significant technological indicators of a power battery. Lifepo4 batteries with one-C charge and discharge cycles longevity can last for 2000 times. The puncture is not exploding and isn’t likely to ignite and cause explosions when charged too high. Lithium iron phosphate cathode material allow large capacity lithium-ion batteries to utilize in series.
Lithium iron-phosphate cathode material
Lifepo4 battery refers specifically to an lithium-ion battery that uses lithium iron phosphate for a negative electrode. The positive electrode materials in lithium-ion batteries mostly comprise lithium manganate, lithium cobaltate lithium nickelate, secondary substances such as lithium iron phosphate and others. In the group lithium cobaltate, it is the primary positive electrode utilized in the majority of lithium-ion battery. In the principle the lithium iron phosphate process is also an embedding process and deintercalation. This is the same principle as lithium manganate and lithium cobaltate.
Lifepo4 battery benefits
1. High efficiency in charging and discharging
Lifepo4 battery is lithium-ion second battery. Its primary function is to power batteries. Lifepo4 has many advantages over Ni-Cd and Ni-MH batteries. Lifepo4 battery is high in discharge and charge effectiveness, and its capacity of discharge and charge can be as high as 90% under the conditions of discharge in contrast, the lead-acid battery has approximately 80 percent.
2. Lifepo4 battery high security performance
The P-O bond found in the crystal of lithium iron is extremely stable and difficult to break down. It is not prone to collapse or heat like lithium cobaltate, or make an extremely oxidizing compound even at high temperatures or overcharge. This means it is of high safety.
It was reported that during the actual procedure the small percentage of the sample was discovered to exhibit a burning effect during the acupuncture or short-circuit test, however it was not an explosion. In the experiment of overcharge using a high-voltage charge which was about ten times higher than the self-discharge potential was utilized to determine that there was an Explosion phenomena. However, the safety of overcharge has been significantly enhanced compared to the conventional lithium cobalt oxide liquid electrolyte battery.
3. Lifepo4 battery life long cycle
Lifepo4 battery is an lithium-ion-based battery which uses lithium iron phosphate as the positive electrode. Long-life lead-acid batteries have an average cycle time of 300 times, while the maximum number is 500. Lithium iron phosphate power batteries is able to cycle for over 2000 times, and the normal charges (5-hour rate) is able to be used for up around 2000 times. The same high-quality lead-acid battery has “new half-year, old half year maintenance, and repair for a half-year” that lasts that is up to 1~1.5 years. If when the lifepo4 battery is utilized in the same way and the expected life span is 78 years. When you look at it all in detail the price-performance ratio is more than four times the price of lead-acid batteries. High-current discharges can be rapidly charged and discharged using 2C high-current. With the specially designed charger, the battery is fully charged in 1.5 minutes after 1.5C charging. The beginning current can be as high as 2C. However, the lead acid battery is not able to perform this way.
4. Good temperature performance
The temperature at which lithium iron phosphate is 350 deg C 500 deg C however lithium manganate as well as lithium cobaltate have at a lower temperature of around 200 deg C. A wide operational temperature band (-20C–+75C) With high-temperature resistance, the lithium iron phosphate electric heating peak could reach 350 degC-500 degC. lithium manganate and lithium cobalt oxide are only have a temperature of 200 degrees Celsius.
5. Lifepo4 battery with high capacity
It is larger than conventional batteries (lead-acid or lead-acid, etc.). The monomer’s capacity ranges from 5AH to 1000AH.
6. No memory result
Batteries that are rechargeable operate in conditions that are usually not fully charged, and their capacity can quickly decrease to below the capacity that is rated. This is known as”the memory effect. Memory, like nickel-metal-hydride and nickel-cadmium batteries. However, the lifepo4 battery doesn’t suffer from this issue, and regardless of what condition that the battery may be in. It will be used at full charge without the requirement to recharge and discharge.
7. Lightweight of the lifepo4 battery
The lifepo4 batteries of the same capacity has 1/3 of the size of the lead-acid battery and weight is 1/3 of the lead-acid battery.
8. Lifepo4 batteries are eco-friendly.
The battery is typically thought as free from rare metals or heavy metallics (Ni-MH battery requires rare metals) Non-toxic (SGS certified) and non-polluting in conformity in line with European RoHS regulations, is an absolutely green battery certification. This is why the reason lithium batteries are so popular with the industry is due to environmental concerns. This is why the battery was integrated into the “863” national high-tech development plan for the “Tenth Five-Year Plan” period , and is now a the nation’s key support and development plan. As China joins the WTO in the year 2000, the volume of exports for electric bikes in China will grow rapidly and electric bicycles that are imported into Europe as well as those entering the United States have been required to be fitted with non-polluting batteries. The performance of a lithium-ion battery is largely dependent on the positive and negative components. It is one of the lithium battery material that only recently been introduced. The safety and life span are unmatched with other materials. The most crucial indicator of the technical characteristics of the batteries. Lifepo4 battery offers the benefits of being non-toxic, non-polluting high safety performance, a broad variety of raw materials, affordable prices, and a longer life. It is a great cathode for the upcoming battery made of lithium-ion.
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