Lithium cobalt oxide polymer battery is a type of lithium-ion battery using lithium cobalt oxide as the cathode material and polymer as the electrolyte. With the core advantages of high energy density and flexible form factor, it has become the mainstream choice in the consumer electronics field, while also featuring distinct characteristics in terms of cost and safety. The following is a detailed explanation from dimensions such as core attributes, performance, application scenarios, and technical improvements.

The classification of lithium polymer batteries is centered on the material system, mainly divided based on three core dimensions: cathode materials, anode materials, and electrolyte materials. Different material combinations determine key performance metrics such as energy density, safety, and cycle life, making them suitable for diverse application scenarios.

The 18650 battery cell is a standardized cylindrical lithium-ion rechargeable battery. With its mature manufacturing process, high consistency, and cost-effectiveness, it serves as a core power supply component in consumer electronics, power storage, and other fields. Its model is directly named after its physical dimensions, featuring a wide range of application scenarios and clear technical characteristics.

Soft-pack Lithium batteries, also known as pouch batteries or soft-pack cells, are a crucial category of Lithium batteries. Their core distinction from traditional hard-case batteries lies in the use of aluminum-plastic composite film as the outer casing, rather than rigid materials such as steel casings and aluminum casings.

Its core structural feature lies in the adoption of lithium cobalt oxide (LiCoO₂) as the positive electrode material, while graphite is typically used for the negative electrode.

Currently, the mainstream types can be divided into six major categories, with significant differences in key indicators such as energy density, safety, and cycle life.