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Liquid lithium-ion battery (Li-ion) as an efficient energy carrier has been widely used in communications Laptop Battery, electronics industry, especially the mobile phone, PDA and other personal communication tools. But in the last couple of years, with the rapid development of communication technology, mobile phone color screen technology, multimedia technology, Bluetooth technology and camera technologies continued emergence of the battery capacity, size, weight and electrochemical performance indicators such as higher requirements, the traditional liquid lithium has become increasingly unable to meet the new requirements. New type of polymer lithium-ion battery (Li-Poly) the emergence of caters to this need. Polymer Lithium-Ion battery is the original steel, aluminum battery developed on the basis of the third-generation lithium-ion battery, with its lighter, thinner, higher energy density characteristics, by domestic and international communications terminal manufacturers and design companies in favor of . Polymer lithium-ion batteries with liquid lithium-ion batteries the most fundamental difference is that the two different electrolytes used. Polymer lithium battery electrolyte from the exterior view of solid-state, known as solid polymer electrolyte. This is a kind of electrolyte in a solid state, but it can dissolve as liquid as the supporting electrolyte, and ion migration phenomenon can occur polymer materials.
The following Examples of the use of the eight major advantage of polymer lithium for the peer reference.
AKE 12V / 1300mAh polymer dell Latitude D610 battery lithium battery engineering samples, installation of automatic protection board, can short circuit, over charge, over discharge for effective protection. And so that the battery can be charged using ordinary charger reliable, without having to worry about overcharging or charge does not eat into the atmosphere. Monomer polymer lithium battery voltage is typically 3.7V, the maximum voltage of 4.2V.
1. A good safety performance
Polymer lithium battery on the use of plastic flexible packaging in the structure is different from the liquid metal batteries in case of potential safety problems, liquid batteries are explosive, while the polymer batteries will only drums.
2. Thickness is small, can do even more thin
Ordinary liquid lithium CLP's first custom shell, after the Serbian village of expected positive and negative ways to achieve the thickness of 3.6mm following, there are technological bottlenecks, polymer batteries, this problem did not exist, the thickness of 1mm can be achieved below the line with nowadays mobile phones direction of demand.
3. Weight
Polymer batteries lighter in weight than steel of equal-capacity lithium-standard 40 percent lighter than the aluminum battery light 20%.
4. Large capacity
Polymer battery sizes of steel compared with the same battery capacity by 10 ~ 15% higher than the aluminum battery 5 to 10%, a color of choice for mobile dell Latitude D600 battery phones and multimedia mobile phones now available in new color screen and MMS out of Cell phones are mostly used polymer batteries.
5. Resistance of small
Polymer batteries internal resistance of batteries than ordinary liquid is small, the current resistance domestically produced polymer batteries can even be 35mΩ below, greatly reducing the battery's self-consumption to extend the phone's standby time can be achieved with the international level. This support large discharge current lithium polymer is ideal for remote-controlled models as the most promising alternative to Ni-MH battery products.
6. Shape can be customized
Polymer battery according to customer's needs increase or decrease the thickness of batteries, the development of new batteries type, inexpensive, open mold cycle is short, and some can even be tailored according to the shape mobile phone in order to take full advantage of the battery shell space, enhance the battery dell Latitude D520 battery capacity.
7. Excellent discharge characteristics
Polymer battery with gel electrolyte, compared to liquid electrolyte, gel electrolyte with a stable discharge characteristics and higher discharge plateau.
8. Protection of board design is simple and
As a result of polymer materials, batteries did not fire, not explode, batteries themselves have sufficient security, so polymer battery protection circuit design can be considered omitted PTC and fuse, thereby saving the cost of the battery.
Polymer lithium batteries in safety, size, weight, capacity, discharge performance, both have great advantages, but the current production capacity due to lower manufacturing costs are high, so high prices, price has become the universal impact of polymer lithium battery bottleneck. According to industry analysts, to 200? Years, the polymer lithium battery will occupy the world market in mobile phone battery about 1 / 4 represents the future direction of mobile phone battery dell Latitude D510 battery.