Lithium-ion vs. NiMH Batteries

The auto industry is moving quickly towards using electric vehicles (EVs) as the primary type of car. Of course, one important part of every electric vehicle is the battery. The battery provides power to everything in the vehicle, like the electric motors, the entertainment system, and the air conditioning.

Did you know that there are different types of electric car batteries? As technology improves, the batteries used in electric cars are changing and getting better, allowing cars to travel longer distances.

What are the different types of electric car batteries? There are two main types of batteries like Lithium-ion and NiMH you should know about, and each has its own advantages and disadvantages. Here’s a detailed explanation.

What Are Lithium-ion Batteries 

Lithium-ion batteries are the foremost prevalent choice for fueling electric vehicles, advertising numerous focal points over other sorts of batteries. One of the most interesting points of interest of lithium-ion batteries is that they can store energy as a part of vitality. This implies electric cars can travel longer separations without requiring to be charged once more. Lithium-ion batteries do not lose energy or put away vitality over time, so the vitality will still be accessible for a long time, indeed on the off chance that the vehicle isn’t being utilized.

What Are Nickel-Metal Hydride Batteries (NiMH) 

Nickel-metal hydride (NiMH) batteries are commonly used in hybrid cars and have also been used in some electric vehicles (EVs). One of the important advantages of NiMH batteries is that they are strong and durable. These batteries can last a long time and work well even after being charged and discharged many times. NiMH batteries are really good for hybrid cars and EVs because they can provide a lot of power quickly and work well overall.

Differences Between Lithium-ion VS NiMH Batteries 

One difference between the ion battery and the NIMH battery is that they utilize distinctive materials to store vitality. A Li-ion battery is made of lithium and carbon, which respond unequivocally, whereas a ni-mh battery is made of hydrogen, nickel, and other metals. In case we compare the lithium-ion battery and the nickel-metal hydride battery. 

We see that the lithium-ion battery cells are lighter and littler than the nickel-metal hydride battery cells. In case we conversation around the most highlights of their arrangement, we discover that the voltage isn’t settled as one number. Both batteries have a voltage of 1. 5 volts Lithium batteries that have more than 3 volts are the foremost well-known choice. There are a few distinctive things that appear whether these batteries are the same or not.

Voltage Difference 

When we look at how much energy a Li-ion battery can hold compared to a ni-mh battery, we see that the Li-ion battery can hold between 80 and 130 watts per hour per kilogram (or between 0. 36 and 0875 megajoules per kilogram).

On the other hand, the specific energy of the ni-mh battery is 30-80 watt-hours per kilogram. This means that the Li-ion battery has more energy than the ni-mh battery.

The Li-ion battery has a cell voltage of 3. 2, 36, 365, and 37 volts. The ni-mh battery has a cell voltage of 1. 5 volts, and the Li-ion battery has a higher cell voltage than the ni-mh battery.

Performance Difference 

The comparison between the performance of Li-ion and ni-mh batteries is explained here. This shows which one performs better than the other. I want to clarify that how well something works depends on its specifications. As previously stated, the Li-ion battery has better specifications than the ni-mh battery. This means that the Li-ion battery will perform better. 

The lithium-ion battery performs way better than ni-mh batteries in terms of its particular vitality thickness, volumetric vitality thickness, and particular control densities.


A Li-ion battery can last for 300 to 4000 cycles before it wears out. On the other hand, a ni-mh battery can last for 500-1500 cycles. This means that the Li-ion battery is more dependable than the ni-mh battery.

Both Li particle and Ni-MH batteries are strong and have been used in many different things for a long time. Usually, there is one area where ni-mh batteries have more improvements than Li-ion batteries. Some Li-ion batteries do not work well in high temperatures, especially in hot regions. But manufacturers are trying to make these batteries functional and able to withstand different weather conditions and temperatures.

Energy Density Difference 

The difference in the amount of energy that can be stored in a Li-ion battery is high compared to the amount that can be stored in a ni-mh battery.

The energy concentration of a Li-ion battery is 220-250 watt-hours per liter, which is equivalent to 0. 90-243 watts. When we compare the amount of energy in a ni-mh battery and a Li-ion battery, we see that the ni-mh battery has less energy. The ni-mh battery has an energy density of 140-300 W. h/L, while the Li-ion battery has a higher energy density.

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