What are the differences between lithium ionic batteries and polymer batteries?

What are the differences between lithium ionic batteries and polymer batteries?

Today, in this article, we are going to tell the differences between these two batteries.

The new modern phones have lithium ionic and polymer batteries. What differences do these two have?

Both of the mentioned batteries have a high-reliability ratio.

These two batteries have been used in so many gadgets around us. In phones, laptops, power banks, and…due to the function of the desired device, one type of these two has been used.

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The batteries have a polymer type that is lighter compared to the other types.

One of the benefits that this battery has is that it can be used in phones in various ways and shapes.

In fact, it doesn’t have any special determined shape and there is no apparent limit.

Both of the batteries are sensitive to lots of charging and this is the reason why these types of batteries are exposed.

These batteries have a supportive circle, but the danger of getting exposed still remains in them.

We should accept that the new generation of phones is lacking modern innovations because they have reached complicity and their producers are concentrating on intensifying their hardware features.

This reason causes producing the phones with less accuracy and deep attention to its software and the inside environment and many users complain about their phones.

This caused the experts to check out these two types of batteries more.

The lithium ionic batteries and polymer batteries are different in charging too.

Lithium ionic batteries

Lithium-ion batteries have been produced massively since 1912.

It was the Sony Company’s first time using this battery in its Handycam camera and the Walkman.

These types of cameras have a high capacity of energy and, in proportion to their high-level energy, they have an economical price.

Lithium-ion batteries have a short lifetime and if they don`t get charged or discharged correctly, soon they will be ruined or damaged.

These batteries are very sensitive to the time of charging, and Lithium-ion has been used in producing power banks.

 Lithium-ion batteries were the first used batteries in mobile phones. A positive electron and an electrolyte are used in the construction of these batteries.


The mentioned battery has been tangled together by a metal frame. The Lithium-ion battery has some advantages and disadvantages and its high density is one of its benefits. Exchanging capability is an excellent benefit of these batteries for users. The Lithium-ion battery has some disadvantages that are as follows: 

Lithium ionic batteries
  • The Lithium-ion batteries have a heavier weight compared to the Lithium ones.
  • If we want to have a supportive circle, we should spend extra money. 
  • The shapes of these batteries are always rectangular. 
  • Also, these batteries have a high level of discharge

Lithium-ion batteries have chemical combinations that spread chemicals whenever they cause a change in their instructions.

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Lithium polymer batteries

If we want to express the massive production of these two batteries, which occurred in 1970, the initial type of Lithium polymer battery has been shaped from a solid electrolyte.


Producing these batteries in different sizes can be done. Sometimes its thickness is like an ATM card.


It has more safety compared to the other types of batteries and also is lighter than them.


The production price of Lithium polymer batteries compared to Lithium-ion batteries.


The price to produce Lithium polymer batteries is cheaper than lithium batteries. Their output energy is also less than lithium.


These batteries came on the market after the production of lithium batteries.


If we want to make a comparison, we should say that its base shape is similar to lithium-ion batteries but with different segments.


The main difference between these two types of batteries is the separator material. 

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In lithium polymer, the separator material is made of polymer.

The lithium polymer batteries don`t need a supportive frame. The lithium polymer batteries have advantages as follows:

  • Very lighter in weight, compared to the other types of batteries.
  • lower self-charging level
  • Various shapes because of their type of constructions, it means that we can make them as desired.

But the Lithium polymer batteries are not without any disadvantages:

  • They are expensive, which`s a negative point for this battery.
  • Their useful life is less than Lithium-ion batteries.
  • They cannot be changed by the users, and this is another massive negative point of Lithium polymer batteries.

If you have read this article before, you can understand that the difference between lithium-ion batteries and lithium polymer batteries is in shape, price, weight, energy, capacity, production price, and …, the chemical instructions used in these two types of batteries are different.



Probably the new generation of hybrid batteries which have more useful functions than these will come to the market.

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For this reason, these lithium polymers have a lighter weight, and they are used more in quadcopters.


Because this battery can undergo appropriate reactions at different temperatures.


One of the differences between them is the way of charging that we are going to read in the continuation of this article.



In lithium-ion batteries, first, the battery is gotten to the maximum with a consistent current so that half of the battery gets full.


Two idioms are charging with a consistent current is called CC mode and with a consistent voltage is called CV mode.


We can certainly say that lithium-ion batteries are very inflammable. 



Also, these kinds of batteries are very hurtable. It`s better to use a charging module control mode.


It’s better to comply with the charging period. It means using the battery after charging so that it gets depleted.


If the lithium-ion batteries are without any charge for a while, they will get damaged over time. 

Comparison between the Lithium polymer batteries and the lithium-ion batteries, which one is better?

Comparison between the Lithium polymer batteries and the lithium-ion batteries, which one is better?

If we want to have a brief comparison of the two above batteries, we should say that they both have their own special fans. 


The lithium-ion batteries are appropriate for low-level and common phones, and the lithium polymer batteries with a thin body. 

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