Lithium-polymer battery: Substance or Hype?

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Find out why lithium-polymer is so popular

Lithium Polymer Battery named lipo battery, li-polymer battery, Polymer battery. It operates 3.7V high voltage .High discharge for more powerful device, up to 80C discharge. Excellant cost performance and long cycle life, more than 500 cycles. Flexible design, capacity range from 30mAh to 20Ah. Environmental friendly.
To make the modern Li-polymer battery conductive at room temperature, gelled electrolyte has been added. Most Li-ion polymer cells today incorporate a micro porous separator with some moisture. Li-polymer can be built on many systems, the likes of Li-cobalt, NMC, Li-phosphate and Li-manganese, and is not considered a unique battery chemistry. The majority of Li-polymer packs are cobalt based; other active material may also be added.
With gelled electrolyte added, what is the difference between a normal Li ion and Li ion polymer? As far as the user is concerned, lithium polymer is essentially the same as lithium-ion. Both systems use identical cathode and anode material and contain a similar amount of electrolyte.
Li-polymer is unique in that a micro porous electrolyte replaces the traditional porous separator. Li-polymer offers slightly higher specific energy and can be made thinner than conventional Li-ion, but the manufacturing cost is said to be higher than cylindrical design. For the purpose of discussion, pouch cells are often identified as being Li-polymer.
Li-polymer cells also come in a flexible foil-type case that resembles a food package. While a standard Li-ion needs a rigid case to press the electrodes together, Li-polymer uses laminated sheets that do not need compression. A foil-type enclosure reduces the weight by more than 20 percent over the classic hard shell. Thin film technology liberates the design as the battery can be made into any shape, fitting neatly into stylish mobile phones and tablet. Li-polymer can also be made very slim to resemble a credit card (See Pouch Cell.) Light weight and high specific power make Li-polymer the preferred choice for hobbyists.
It is widely used in Portable DVD players, Bluetooth device, wireless devices, Wearable electronic devices, monitoring units, tracking unit ,PDA and digital cameras, Security display stands for phones and tablets, anti-theft camera, GPS, notebook computers, e-books, telematics.
Lithium Polymer BatteryLithium Polymer Battery

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