-What is the service life of lithium iron phosphate batteries under several different usage scenarios

What is the service life of lithium iron phosphate batteries under several different usage scenarios
author:enerbyte source:本站 click300 Release date: 2023-11-22 08:24:21
abstract:
1. Lithium iron phosphate batteries used at room temperature (1) Low current charging and discharging In this case, most of the use is for 3C electronic products. If lithium iron phosphate batteries are used normally in this field, if the battery brand man...

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1. Lithium iron phosphate batteries used at room temperature

(1) Low current charging and discharging

In this case, most of the use is for 3C electronic products. If lithium iron phosphate batteries are used normally in this field, if the battery brand manufacturer has strong strength and good quality, the basic cycle life is more than 2000 cycles; Small lithium-ion battery manufacturers with slightly lower quality also have a cycle life of over 1000 cycles;

(2) High magnification stable charging and discharging usage

The applications of high rate discharge are mostly power type lithium-ion batteries, which are mostly used to supply power to electric motors, such as new energy vehicles, electric vehicles, and electromechanical power sources for fishing boats. Due to the fact that most lithium iron phosphate batteries operate under high load conditions, the material decay time of the battery is accelerated, and the cycle life is sharply reduced. Poor quality cells may only undergo about 500 cycles; Strong battery brand manufacturers will have better equipment technology and material applications, resulting in better battery cell quality, but with a cycle life of around 800 cycles.

(3) High magnification unstable charging and discharging usage

The lithium iron phosphate battery used in this situation will have a shorter lifespan, and it will be almost scrapped after about 300 cycles. The unstable discharge of batteries, with high and low frequency, will have a greater impact on battery attenuation and promote its use.

2. Lithium iron phosphate batteries used in high-temperature environments

The high-temperature performance of lithium iron phosphate batteries is currently not very mature, with operating temperatures ranging from -20 ℃ to 125 ℃. This temperature range is theoretical, but the actual application temperature range is smaller.

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