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리튬 이온 배터리 대 리튬 폴리머 배터리 - 차이점은 무엇입니까? Posted by batterymanufactory.com

Did you ever think about why your phone works at all? Probably not. But, if you think about it, all portable gadgets rely on a battery to keep ticking – and some have better battery life than others. That’s why we’re going to take a peek at what keeps your phone ticking and why some batteries do better than others.

리튬 이온 폴리머 배터리
Lithium-Ion Battery


Lithium-Ion Batteries began their development in 1912. However, they did not become popular until they were adopted by Sony in 1991. Lithium Ion Batteries have high energy-densities and cost less than lithium-polymer batteries. In addition, they do not require priming when first used and have a low self-discharge. However, lithium-ion batteries do suffer from aging – even when not in use.
Type Secondary
Chemical Reaction Varies, depending on electrolyte.
Operating Temperature 4º F to 140º F ( -20º C to 60º C)
Recommended for Cellular telephones, mobile computing devices.
Initial Voltage 3.6 & 7.2
Capacity Varies (generally up to twice the capacity of a Ni-Cd cellular battery)
Discharge Rate Flat
Recharge Life 300 – 400 cycles for 100%
Charging Temperature 32º F to 140º F (0º C to 60º C)
Storage Life Loses less than 0.1% per month.
Storage Temperature -4º F to 140º F ( -20º C to 60º C)
Other Notes
  • Typically designed to be recharged in the device rather than in an external charger.
  • The chemical construction of this battery limits it to a rectangular shape.
  • Lighter than nickel-based secondary batteries with (Ni-Cd and NiMH).


Lithium-Polymer Battery


Lithium-polymer batteries can be dated back to the 1970’s. Their first design included a dry solid polymer electrolyte that resembled a plastic film. Therefore, this type of battery can result in credit card thin designs while still holding relatively good battery life. In addition, lithium-polymer batteries are very lightweight and have improved safety. However, these batteries will cost more to manufacture and have a worse energy density than lithium-ion batteries.
Type Secondary
Chemical Reaction Varies, depending on electrolyte.
Operating Temperature Improved performance at low and high temperatures.
Recommended for Cellular telephones, mobile computing devices.
Initial Voltage 3.6 & 7.2
Capacity Varies depending on the battery; superior to standard lithium-ion.
Discharge Rate Flat
Recharge Life 300 – 400 cycles
Charging Temperature 32º F to 140º F (0º C to 60º C)
Storage Life Loses less than 0.1% per month.
Storage Temperature -4º F to 140º F ( -20º C to 60º C)
Other Notes
  • Typically designed to be recharged in the device rather than in an external charger.
  • Lighter than nickel-based secondary batteries with (Ni-Cd and NiMH).
  • Can be made in a variety of shapes.


Although the lithium-polymer battery is sleeker and thinner, lithium-ion batteries have a higher energy density and cost less to manufacture. Therefore, we obviously know which one is chosen by companies like Samsung, Apple, Motorola, and more. Finally, with new chemicals and such being added to these batteries often, who knows which will come out on top in the long run. The only thing we do know is that this phone, will be sporting a very thin and transparent lithium-ion battery.

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