The True Facts About Lithium Batteries
If you are trying to look up information about batteries on the Internet, you will be in for a headache. Not only are there many different kinds of batteries, there are various types within the same family. In this article we are going to take a closer look at lithium batteries. How they work, how they are used, and the differences among the three main types.
All batteries work in the same basic way. They have two terminals, one positive and one negative. The negative terminal is called the anode. The positive terminal is called the cathode. When the two terminals are connected through the device it starts a chemical reaction. The negative ions from the anode go to the positive terminal. This chemical reaction is converted into electrical energy.
Lithium batteries are popular for many reasons. For one, they have a superior energy density (they store more energy per volume of mass). Lithium is also an exceptionally lightweight metal. This extraordinary combination of light weight and powerful energy capabilities is what makes lithium batteries such a good choice for portable devices. They also are able to generate a high voltage when needed, and consistently perform well in temperatures that would challenge other battery types.
Today’s market has three main types of lithium batteries. They have a lot in common, which is why the terms are often confused or used incorrectly. Even retail outlets can be inaccurate. But they do have some differences you should know about.
The earliest type are simply called lithium batteries. You most likely have seen them in a small round coin form. They are common in watches, calculators and other small devices like kid’s toys. They’re even used in pacemakers. This is because they last a long time, much longer than standard alkaline batteries, and can be very small. Often the battery will last longer than the item it powers!
The next generation of lithium batteries are lithium ion batteries (Li-ion for short). The main difference, and the main advantage, is that it’s rechargeable. They are lighter and have a lower self-discharge rate (loss of charge when not in use) than other rechargeable battery types. A laptop battery is a common example of this type of battery.
The next type is the lithium ion polymer (Li-poly) battery. It’s really just an advancement on the Li-ion design. Rather than have the electrolyte in an an organic solvent is in a polymer-based man made solvent. Really that just means it is less volatile and discharges at a lower rate. Generally it also costs less. One disadvantage that they do take longer to charge to full capacity.
Battery technology and design continues to improve at great speed. Lithium batteries will continue to get smaller and more efficient. So, without a doubt, this type of battery will be a part of your life. Now you will understand more about them and how they work!
Discover why you should use lithium batteries. Lasting longer than normal batteries you can use. With a lithium battery you will have to spend less money in the long run.
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