Lithium polymer battery is the upgrade of lithium battery products, it is difficult to absolutely say that lithium polymer battery and lithium battery pack which application is good, they each have their strengths.  

Lithium battery is a kind of lithium metal or lithium alloy as the anode material, because of the chemical characteristics of lithium metal is very active, so that the processing, preservation, use of lithium metal, the environmental requirements are very high.  

Lithium polymer batteries refer to all solid state or gel too for electrolyte lithium ion batteries.  Generally, aluminum - plastic composite film is used as packaging material.  Lithium polymer batteries,  

From the perspective of the internal material of the battery, the main internal electrolyte is polymer, which is generally gel electrolyte and solid electrolyte.  

The difference between lithium battery and polymer lithium battery:  

1. Different principles   

Lithium batteries can be roughly divided into two categories: lithium metal batteries and lithium ion batteries.  Lithium-metal batteries are usually non-rechargeable and contain metallic lithium. Lithium-ion batteries do not contain metallic lithium and can be recharged.  

Lithium polymer battery refers to all solid state or gel is too electrolyte lithium ion battery, generally using aluminum plastic composite film as packaging material.   

2. raw materials are different   

Besides inorganic compound of lithium battery, conductive polymer can also be used as cathode material of polymer battery. The electrolyte of a polymer battery consists of a polymer electrolyte (solid or colloidal) and an organic electrolyte.  

Lithium battery pack uses electrolyte (liquid or colloidal)   

3. shape difference   

Polymer cells can be thin, arbitrary in size and shape because their electrolytes can be solid or colloidal rather than liquid.   

Lithium-ion batteries, on the other hand, use electrolytes, which require a strong casing as a secondary package to hold the electrolyte.  This, in turn, adds weight to lithium-ion batteries.   

4. Electrical conductivity  

The conductivity of a lithium battery remains a stable value, independent of the quality of the auxiliary material.  

The solid electrolyte ions of polymer batteries have low conductivity, and at present, some additives are added to make them into gel electrolytes to improve the conductivity.   

5. Manufacturing process   

The thinner the polymer battery is, the thicker the lithium battery is, the more applications the lithium battery pack can be expanded.   

In general, to compare the difference between lithium polymer batteries and lithium batteries, the only thing is the relationship between species concept and genus concept. Lithium polymer batteries are included in lithium batteries.