22 Years' Battery Customization
Jun 24, 2020 Pageview：1387
Li-ion batteries are the most common type of rechargeable batteries in the market at the moment. They are loved because of the many advantages they have over other older battery technologies that existed before them. One of the most common standard capacity for these batteries is the 3000mah battery. Batteries with this capacity can provide enough power to a wide range of electronic devices for a good number of hours before totally draining.
What is the standard Li-ion battery type 3000mah?
Lithium-ion batteries are made with different capacities. Over the years, companies have been able to shrink the size of these batteries while maintaining or even increasing the battery capacity hence increasing the battery's energy density. It is this that has made it possible to have slim prismatic batteries that can fit in thin devices like smartwatches. There is no standard capacity for Lithium-ion batteries.
However, there is always a minimum capacity that is required for a particular device to reach optimum performance. For instance, in smartphones today, the minimum battery capacity for optimum performance is about 3000mah. This is because smartphones today have larger displays and CPUs that need lots of power. A few years back, a smartphone battery with about 2000mah was good enough to get you through the day. This is not the case today.
Tiny devices like wireless earphones may need about 300mah or less to give you at least a full day of use. This justifies why the battery capacities are normally designed based on the size and consumption of the target device.
How many mah can a li-ion battery put out?
Milliamp-hours represent the amount of energy the battery can store. This means the more the milliamp-hours, the more the energy the battery can store. However, the amount of energy the battery can output at a time largely depends on its design. Batteries that have less internal resisted can output more current at a time without overheating. These are the kind of batteries that are most suitable for power-hungry devices
The amount of current a battery can output is represented by its C rating. The higher the C rating, the more the current the battery can output. The maximum current a battery can output = C rating * battery capacity. For instance, if a battery has a c rating of 1 and a battery capacity of 3000mah. Such a battery will be able to output a maximum current of 3000*1= 3000ma or 3A without overheating internally.
Most of the Li-ion batteries are designed with a c rating of 1. Those that have a c rating above 1 are not so common in the market today. However, some dishonest brands claim to be making such batteries. But trying to use a battery beyond its output current capacity will make it to overheat that in the end reduces its overall battery life. That is why most of the counterfeit batteries produce lots of heating while being used and during charging
It should also be noted that when a battery ages, its overall capacity also reduces, and its internal resistance increases. This in the end reduces its maximum allowable current. That is why you will realize older batteries heat up easily as compared to newer ones. Overheating is always one of the signs for a battery that is either faulty or starting to age. At this point, the battery will need replacement.
What Li-ion battery types are the most popular?
There are several types of Lithium-ion batteries in the market. The most popular one at the moment is Lithium cobalt oxide. These batteries are mainly used in smartphones, cameras, and laptops. This type of battery uses carbon as its anode and cobalt oxide as the cathode. So, the lithium ions move from the cathode to the anode when the battery is being charged and from the anode to the cathode when the battery is being used (discharged). Most of the other Li-ion battery types also use carbon as the anode but differ in the material used for the cathode. Lithium cobalt oxide batteries are preferred in smartphones, laptops, and other devices because they have a high charge density and C rating. This makes it possible to charge and discharge the battery faster.
The other types of Li-ion battery include the following;
1.Lithium Manganese Oxide
These batteries use lithium manganese oxide as the cathode and carbon as the anode. The battery technology of Lithium manganese oxide
was first discovered in the 1980s and brought to life in 1996 when the first lithium manganese oxide batteries were produced. The advantage these batteries have over the Lithium cobalt oxide batteries is having the capacity to be used in high-temperature environments. That is why they are preferred in medical equipment.
2.Lithium Iron Phosphate Batteries
These batteries use iron phosphate as their cathode and carbon as the anode. lithium iron phosphate batteries are also known for their thermal stability which makes them ideal for use in high-temperature environments. This is one of the reasons why these batteries are commonly used in electric vehicles
3.Lithium Nickel Manganese Cobalt Oxide
This is another common battery technology that is normally used in mobile electric power tools and electric vehicles. They are made with nickel manganese cobalt oxide as the cathode and carbon as the anode. Just like any other Lithium battery types, these batteries are designed to either have a high energy density or high specific power but not both. The choice between the two parameters depends on the target device where the battery is to be used.
Final Thoughts
Li-ion is by far still the most commonly used battery technology in most electronic devices. These batteries are used because of the many advantages they have over other battery technologies. The minimum standard battery capacity always depends on the device the battery is being designed for. Like we have seen above, the minimum battery standard capacity for a smartphone is different from that of wireless earphones. This is because the two devices vary in size and also need different amounts of power.
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