What are the characteristics of polymer lithium batteries?
The polymer lithium battery refers to the lithium-ion battery with polymer as the electrolyte, divided into the semi-polymer and complete polymer.
Semi-polymer refers to the coating of a polymer (usually PVDF) on the protective film, making the lithium battery more adhesive. The rechargeable battery can be stiffer, and its electrolyte is still liquid. All-polymer refers to the use of polymers in the internal structure of lithium batteries to create a dubious internet of glue, which is then introduced into an electrolyte to create an electrolyte. Although all-polymer rechargeable batteries still require liquid electrolytes, the dosage is much lower, significantly improving the safety factor of lithium-ion batteries. According to Xiaobian reports, now only SONY mass-produces all-polymer lithium-ion batteries.
On the other hand, polymer batteries refer to lithium-ion batteries that use aluminum-plastic packaging films as outer packaging boxes, also known as flexible packaging batteries. This packaging film consists of three layers, namely the PP layer, AL layer, and polyester layer. Since PP and polyester are polymers, such lithium batteries are called polymer lithium batteries.
A lithium battery is a rechargeable battery made of lithium alloy or lithium metal, used as the positive electrode material and non-aqueous electrolyte aqueous solution of the storm. In 1912, Gilbert initially proposed and scientifically researched the lithium metal battery. Lewis. In the 1970s, M.S.Whittingham proposed and gradually scientifically researched lithium-ion batteries. Due to lithium metal materials' extensive organic chemical properties, the production, processing, storage, and application of lithium metal materials have very high demands on the natural environment. With the development trend of science and technology, lithium batteries have begun to be used in all walks of life.
Lithium batteries can be divided into lithium metal batteries and lithium-ion batteries. Lithium-ion batteries have no metallic materials and can be recharged. The fifth-generation rechargeable commercial lithium metal battery came out in 1996, and its safety factor, specific volume, self-discharge rate, and characteristic price are better than lithium-ion batteries. Due to its limited high-tech regulations, only a few Chinese companies currently produce such lithium metal batteries.
Lithium polymer battery
- Raw materials.
The raw materials of polymer lithium are electrolytes, polymer electrolytes (solid or colloidal), and organic chemical electrolytes.
- Safety factor.
The polymer lithium battery uses aluminum-plastic film as the shell. When organic chemical electrolytes are chosen for the internal structure, even if the liquid is scalding, it will not explode.
Polymer batteries can guarantee thin, random total area and appearance because their electrolytes can be solid colloids instead of liquids.
- The working voltage of the lithium battery.
Since polymer batteries use fiber materials, it、 can make double layers in batteries to reach high voltages.
(Disclaimer agreement: The material's content comes from the Internet and is sorted out by the Internet materials collected by the HOPPT BATTERY editor. If there is any abnormality, please get in touch with us to solve it!)