48V Lithium Battery Life How to Use 48V Electric Vehicle Lithium Battery to Extend its Life

Introduction Life of 48V lithium battery How to use lithium battery of 48V electric vehicle to extend its life 1. The life of lithium battery used in 48V electric vehicles is of better quality than lead-acid batteries. Lithium battery

48V Lithium Battery Life How to Use 48V Electric Vehicle Lithium Battery to Extend its Life

1. The lithium battery used in 48V electric vehicles has a longer lifespan than lead-acid batteries. Lithium batteries have a longer lifespan than lead-acid batteries and manufacturers typically offer a three-year warranty. With the development of lithium battery technology, 48V lithium battery electric vehicles have begun to enter many families. Compared to traditional lead-acid batteries, lithium batteries have a much longer lifespan. The lifespan of most lithium batteries is designed to be about 1,000 times longer, or 3 to 4 years.

2. The correct method for 48V electric vehicle lithium battery is to charge when the remaining third of the battery is charged, and the charging time is guaranteed within the 8 hours. Charging half an hour more can effectively extend the service life.

3. In daily life, the use temperature of electric vehicle lithium batteries is between 5℃ and 35℃. Take the battery home and store it. Users in the South should avoid exposure to the sun in summer.

4. To use a suitable charger for charging, the requirements for the charger are higher. Once an unsuitable brand charger or fast charger is used, it will not only be used. damage the lithium battery This will affect its service life, and in severe cases it will lead to diaphragm damage and short circuit due to overheating, resulting in explosion.

5. For transportation safety reasons, the battery of the new car you bought is half charged when it leaves the factory. Before riding, you must fully charge it. charge the battery before use. The first charging time is notless than 10 hours.

What are the specific types of car batteries?

Lithium iron phosphate battery

Lithium iron phosphate battery is a lithium ion battery using lithium iron phosphate as the positive electrode material. Phosphorus and iron are abundant in the earth and. won't. There is a supply problem. Its theoretical working voltage is moderate (3.2V), large capacity per unit weight ((170MAH/G), high discharge power, fast charging and long life, and large stability at high temperature and high environment.

Advantages: increased safety, longer service life, contains no heavy metals or rare metals, supports fast charging, and has a wide temperature range operating

Disadvantages: poor performance such as vibration, low solid density and.low battery energy density, high material preparation and battery manufacturing costs, low battery efficiency, poor consistency and intellectual property issues.

Ternary lithium batteries

Ternary lithium batteries. The batteries use lithium-nickel-cobalt manganate as the positive electrode material and graphite as the negative electrode material. Energy density ranks first among all lithium battery technologies, with a maximum of 250 KWH/M3. The battery is very sensitive to temperature and will break down at around 250 KWH/M3. 200 degrees.

Advantages: high energy density and good cycle performance. Currently, the rated voltage has reached 3.7V and the capacity has reached or exceeds the level of lithium phosphate batteries. >Disadvantages: The structure is unstable at high temperatures, resulting in poor safety athigh temperature, and too high pH value can easily cause gasification of the monomer, thereby causing danger., the current cost is relatively high.

Hydrogen fuel cell

The positive electrode of a hydrogen fuel cell is made of air and oxygen, the negative electrode is hydrogen and there is a separator and an electrolyte in the middle. In principle, it is different from lithium-ion batteries and cannot be charged.

Advantages: Energy density is very high; hydrogen charging time is short. It only takes 5 minutes to charge the Japanese hydrogen fuel cell at high pressure, and it can travel 500 kilometers once filled.

Disadvantages: safe use of hydrogen; high storage and transportation costs; the technology is not industrialized and has not been verified by the market; it cannot be connected to the network for charging;

ModRepresentative models: BYD Song EV40Q, Ideal ONE, Geely Emgrand GSE, Tesla MODELS, BAIC Senova EV, etc.

Lithium-sulfur battery

Lithium-sulfur battery is a lithium battery with sulfur element as the positive electrode and lithium metal as the negative electrode.

Advantages: The weight energy density is relatively high, reaching 300-350WH/KG, the cost is very low;

Disadvantages: The volumetric energy density is very low, the battery is lightweight but relatively bulky, and the polysulfur cathode will dissolve in the electrolyte resulting in reduced battery life.

Nickel hydride battery

Nickel hydride battery is an alkaline battery in which the positive active material mainly consists of nickel and the negative active material mainly consists of a hydrogen storage alloy. The nickel-metal hydride battery is a new green battery developed ins the 1960s. Its founder is Stanford, self-taught.

Advantages: high discharge current, high energy density (high battery life) and low calorific value.

Disadvantages: There is a memory effect and it is easy to decompose during the charging and discharging process. Overcharging and overdischarging cause more severe attenuation.

What are the specific types of car batteries? Analysis of basic knowledge of new energy vehicles

Lead-acid batteries are the most commonly used car batteries. The main advantages are stable voltage and low price. The disadvantage is that the specific energy is not high, which refers to the electrical energy stored per kilogram of battery. The lifespan is not long and requires more daily maintenance. The lifespan of old lead acid batteries is generallynt about two years, and the battery electrolyte level should be checked regularly and distilled water added in time.

The same goes for lead-acid batteries, because the energy density is not high and the volume is very large. Since the component is sulfuric acid electrolyte, it will cause greater environmental pollution after being discarded. The biggest drawback is that the battery life is not great. Lead-acid batteries are mainly used in low-speed electric vehicles, such as elderly scooters or electric bicycles.

Lithium iron phosphate battery is a type of lithium-ion battery. It is characterized by the absence of precious metallic elements such as cobalt. The raw materials used are iron and phosphorus. and the price is relatively cheap. Lithium iron phosphate batteries are relativelysafe and will only decompose at a temperature of 700 to 800 degrees without releasing oxygen molecules. Lithium iron phosphate batteries are now the main type of batteries for electric vehicles. The advantage is that the charging and discharging efficiency is not low and there is no pollution to the environment.

However, because the energy density of the battery is not high, the volume is relatively large. The battery capacity is not large and the battery life is short. After disposal, the recyclable value is not high.

Since its low temperature performance is not high, a battery with a capacity of 3500 mAh, working in an environment of minus ten degrees, will quickly decompose to 500 mAh after less than a hundred of charge and discharge cycles, which is basically unusable.

The ternary lithium battery used in the Tesla Model S has a higher energy density than lithium iron phosphate batteries and has a longer cruising range. However, ternary lithium batteries are more likely to catch fire than lithium iron phosphate batteries.

Japanese automakers generally choose lithium-manganate batteries because their overall performance is relatively balanced, they do not need the valuable cobalt, their costs are low, and they do not have no patent restrictions.

Lithium manganate is a low-cost, safe and high-performance cathode material at low temperatures. However, it is easy to break down and produce gas. It is often mixed with other materials to reduce the cost of battery production. .

However, its service life decreases rapidly, it is prone to expansion, its high temperature performance is poor, and its service life is notlong. It is mainly used in mass type batteries and power batteries. its nominal voltage is 3.7 volts.

The cost and safety of lithium batteries are relatively high, so Toyota vehicles mainly use nickel-metal hydride batteries.

The main advantage of nickel-metal hydride batteries is that they can adapt to large current discharge, which is more suitable for occasions requiring high output power. Its energy density is greater and its battery life is longer. Ni-MH batteries discharge relatively easily and generate little heat.

The main disadvantage is that the battery capacity will attenuate during the charge and discharge cycle. Excessive overcharging or discharging will worsen battery capacity loss.

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