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The advantages of lithium-ion batteries
The advantages of lithium-ion batteries
Aug 31, 2023

Compared to regular batteries, lithium-ion batteries have many advantages. Below is a brief list of some。

 

1、Long cycle life

Long cycle life is a major advantage of lithium batteries, typically reaching over 1000 cycles. For low current discharge appliances, the service life of the battery will double the competitiveness of the appliance. Meanwhile, the cycle life can also reach over 6 years. The cycle life of lithium ferrous phosphate can reach over 1000 cycles, or even higher. Therefore, lithium batteries have the characteristic of long cycle life.

 

2、environmental protection

The environmental friendliness of lithium batteries is reflected in the materials used and the production process. High environmentally friendly raw materials are used, which do not contain any toxic and harmful heavy metals, and production and use do not produce toxic and harmful substances such as lead, mercury, cadmium, etc. The environmental friendliness of lithium batteries can ensure that they do not cause pollution to the environment during use, while also helping to protect human health and the ecological environment.

 

3、Open circuit voltage high

One of the advantages of lithium batteries is their high open circuit voltage, which can reach up to 3.3-4.2V due to different electrode materials.

 

4、Low self discharge

Lithium batteries have a low self discharge rate due to their small self discharge. At full charge, the self discharge rate of lithium batteries is about 10%, while nickel hydrogen batteries have a lower self discharge rate of 25-30%. This gives lithium batteries an advantage in terms of storage time, which can better protect the performance and lifespan of the battery. At the same time, a low self discharge rate also means that the safety of lithium batteries is higher, because once self discharge occurs, it may lead to short circuits or shortened battery life. Therefore, the small self discharge of lithium batteries is one of their biggest advantages.

 

5、high energy density

High energy density is one of the advantages of lithium batteries. The energy density can reach 460-600Wh/kg, which is about 6-7 times that of lead-acid batteries. This makes lithium batteries have a higher energy density, can provide longer usage time, and are easier to store and transmit. In addition, lithium batteries will not experience combustion, explosion or other phenomena during use, making them safer.

 

6、light weight

The lightweight of lithium batteries is due to the use of polymer electrolytes, which do not require a metal shell for protection, and have similar volume sizes. This makes the weight of lithium batteries only 1/6-1/5 of lead-acid batteries.

 

7、Use Safety

One of the advantages of lithium batteries is their safe use. Although ordinary lithium batteries and polymer batteries may experience swelling after prolonged use, iron phosphate batteries have excellent stability and will not explode. In addition, the safety performance of lithium batteries is also very good, and they will not be affected by high temperature and high pressure environments. Therefore, choosing lithium batteries can ensure the safety of users.

 

8、High charging efficiency

Lithium batteries have high charging efficiency and can be charged using a fast charger, with a charging time of only 4-5 hours, greatly reducing the charging time. At the same time, lithium batteries have the characteristic of fast charging and discharging. 1C charging can reach a capacity of over 80% of the nominal capacity, and using a charger with a rated voltage of 4.2V only takes 1-2 hours to fully charge. In addition, the safety of lithium batteries has also been certified, and strict management and monitoring of batteries are carried out by protective organizations.

 

9、No Memory Effect

The no memory effect refers to the ability of lithium-ion batteries to discharge at any time during charging, unlike nickel hydrogen and nickel tin batteries that require waiting until the battery is depleted. Lithium ion batteries have no memory effect and can be charged anytime and anywhere, and the charging depth has little effect on the battery life.

 

10、Wide working temperature range

Lithium batteries have a wide operating temperature range and can operate normally between -20 ℃ and 60 ℃.

 

11、Has strong ability to withstand high power

Lithium batteries have strong high-power endurance, for example, lithium iron phosphate lithium-ion batteries can perform high-intensity startup acceleration at a charge and discharge rate of 15-30C.

 

12、Large capacity

Lithium batteries have a large capacity and can provide longer battery life at the same output power.

 

13、Higher specific energy

The high specific energy of lithium batteries is due to their small size but large energy reserves. Therefore, in the same space, lithium batteries can store more energy.

 

14、Low internal resistance

One of the advantages of polymer cells is their low internal resistance. Compared to general liquid cells, polymer cells have lower resistance.

 

 

 

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