The high cost is the reason why these batteries are often found in mid-range to high-tier consumer electronic devices. The cost is around 20 to 30 percent higher. Higher Manufacturing CostĪnother disadvantage of LiPo batteries, especially when compared to standard lithium-ion batteries and other rechargeable batteries, is that they are considerably more expensive to manufacture. Of course, as mentioned, with advancements in technology, this disadvantage has been managed if not completely resolved. They also have lower energy density by default when compared to the default configuration of lithium-ion batteries. For starters, they have low charge-discharge cycle than their standard li-ion counterparts. It is worth mentioning that despite the advantages of LiPo batteries, they have drawbacks compared to Li-ion batteries. On the other hand, the electrolyte used in LiPo batteries is either solid, porous, or gel-like. Li-ion batteries use a liquid-based electrolyte. The general difference between lithium polymer and lithium-ion batteries is the characteristic of the electrolyte used. Cons: Advantages of Lithium Polymer Batteries Advantages of Li-Ion Batteries However, note that technologies behind standard li-ion batteries and the overall lithium-ion technology have been improving over the years to make them more durable. Lithium-ion batteries are inherently unstable and suffer from aging.īecause of their durability feats, they usually have a longer lifespan and are more reliable. Longer Lifespan and ReliabilityĪnother advantage of lithium-ion batteries is that they have low self-discharge and do not lose their charging capacity as fast as their traditional li-ion counterparts. The absence of leakage also means that the electronic components of a particular device are safe from battery issues. The polymer electrolyte does not explode due to gas built-up and leaks in case of excessive heat. They differ from traditional li-ion batteries because they use a solid, porous, or gel-like polymer electrolyte instead of a liquid electrolyte. However, while LiPo batteries are prone to an explosion due to overheating and overcharging, they are generally safer. Several cases have been publicized and documented in the media, including the infamous Samsung Galaxy Note 7 scandal in 2017. Note that this is especially true for traditional lithium-ion batteries. Lithium-ion technology is susceptible to explosions. Hence, this is the reason why they have become an ideal power storage solution for mid-range to flagship consumer electronic devices. Remember that LiPo batteries can be produced in varieties of shapes and sizes compared to lithium-ion batteries. They can also be designed and fabricated with a wider range of energy densities in accordance with different weights.īecause of the aforementioned higher specific energy and a higher degree of freedom in fabrication, another advantage of lithium polymer batteries is that they are ideal in applications in which weight is an important manufacturing consideration.Įxamples of these applications include ultraportable computers or ultrabook laptops, smartphones and tablet computers, lightweight electric vehicles, and radio-controlled aircraft or unmanned aerial vehicles such as drones. Nevertheless, LiPo batteries have a higher specific energy density compared to other non-lithium ion rechargeable batteries such as alkaline batteries. Li-ion batteries have higher specific energy than other types of rechargeable batteries. Take note that it is also referred to as massic energy or gravimetric energy density.Ī battery with high specific energy compared to its counterparts means that it can provide a higher level of energy without sacrificing its weight. It is a measure of how much energy a particular battery contains in comparison to its weight. Specific energy is simply energy per unit mass. Pros: Advantages of Lithium Polymer Batteries Higher Specific Energy However, for brevity and easier communication to the general public, manufacturers and the mass media simply call them lithium polymer or LiPo, especially to draw a clearer distinction between the standard lithium-ion batteries.
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