Soft package lithium-ion batteries and lithium battery characteristics and difference of hard package
soft package lithium-ion polymer battery, in fact, is to use the batteries of the aluminum-plastic packaging film as packing material. It is worth mentioning that the encapsulation of lithium-ion batteries is divided into the two, one is the soft package of batteries, the other is a metal case batteries. Lithium batteries both difference is mainly refers to the material of lithium battery shell, soft packing batteries will be a little bit more than the aluminum shell lithium battery pack pack, break with the palm is very easy to deformation. So today we take a look at the lithium battery and lithium battery as hard soft packages characteristics and differences.
what is a soft package lithium-ion polymer battery
soft package polymer lithium-ion batteries, actually divided into soft package of lithium battery and lithium polymer batteries, lithium polymer batteries, is the difference between them is in gel electrolyte, hard to the touch touch, outside; Soft package is a liquid electrolyte in lithium-ion batteries, battery outside soft to the touch, soft package lithium battery is actually because of polymer lithium-ion battery production technology is not mature so far weigh the pros and cons of invention. Considering the relatively low cost, and application of basic conditions and stable performance, has so far occupied a large part of the 3 c digital battery industry market.
new upgrade a batch of polymer lithium ion battery in shape can achieve thin shape ( ATL battery ultra-thin can reach 0. 5 mm ( mm) Its thickness), phase in a credit card , a certain area and random shape, greatly enhance the operating flexibility of battery product modeling design, which can match the product demand, made into any shape and volume of the battery, on power supply solution for application of machinery, equipment service provider provides a high level of design operation flexibility and adaptability, to maximize to optimize its product performance indicators. At the same time, polymer lithium ion battery enterprises energy than conventional lithium ion battery enhanced five hundred percent, its volume, charge and discharge characteristics, category of safety factor, environment temperature, cycle life, More than 500 times) And environmental performance indicators are in such aspects as the amplitude of the lithium ion battery has great enhancement.
lithium battery pack characteristics and difference of soft package and hard package:
soft package of lithium battery: soft package liquid lithium battery is lithium battery pack pack on a layer of polymer shell. In structure using aluminum-plastic film packaging, in the case of safety accident hidden danger most soft package battery will only gills craze.
soft package lithium battery pack structure features:
soft package of the key materials used for the lithium battery & ndash; The positive material, negative material and diaphragm & ndash; With the traditional distinction between aluminum shell, aluminum shell lithium battery is not big, the biggest difference is in the flexible packaging material ( Lu: su composite membrane) , this is the most critical in soft package lithium batteries, the most technically complicated materials.
soft package advantages of lithium battery:
1. Application range is wide, now in the industry of 3 c digital use unusually hot
2. From soft package polymer lithium battery inside appearance, soft package variable Ren He a shape, for motor vehicles, battery assembly soft package, can increase the space of motor vehicles, meanwhile soft package battery assembly position is not affected by the structure of the motor vehicle types of
3. Very thin, small floor space, soft package for battery can do battery is thinner and soft package battery operating flexibility and matching on the whole is relatively high, for the auto industry in such aspects as design concept has a lot of temptation.
4。 High safety coefficient, soft package cell structure type choose aluminum-plastic film packaging, aluminum film packaging the biggest competitive advantage is the soft soft to a certain extent, when the battery safety performance problems, soft package battery ordinary gills craze, inside the liquid leaked out, and won't cause gas emissions do not go out, in turn, cause an explosion fire generates
5. Volume is small, weight is lighter, soft package polymer lithium battery inside the volume, lighter weight, at the same time to undertake large volume, small internal resistance, design spirit characteristics begin to render its competitive advantage, highlighting.
6。 Internal resistance small soft package of battery internal resistance of the lithium batteries, the current domestic soft package can be done in the internal resistance of battery core minimum below 35 m Ω, greatly reduces the li-ion battery pack from the electricity.
5。 Flexible soft package design of the shape of the lithium battery can be customized according to customer's market demand, expand the market of batteries models.
hard package lithium batteries: differentiation with the cylinder and the two squares. Encapsulation structure is different, the advantages and disadvantages of each main is or should be the market demand for different places. Hard package lithium-ion batteries to ensure consistency is relatively difficult, more and more models, the processing technology is difficult to maintain consistent, appropriate customized production and manufacturing, is not convenient to lithium battery pack automatic production.
lithium battery soft package and what is the difference between hard package?
soft package and hard package lithium-ion batteries is mainly refers to the difference between the material of lithium battery pack shell, if you have any packing outside, is not so easy to see that it is important to see the battery ontology, the weight of the aluminum battery will focus than the same volume of battery, but aluminum shell and flexible packaging is not so easy to distinguish, but soft, flexible packaging cells than aluminum shell breaks off with the palm is very easy to appear to be out of shape.
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