Both Nickel-cadmium (NiCd) and Nickel-metal hydride (NiMH) are rechargeable batteries commonly used in a variety of applications, including portable electronics, power tools, and automotive a electricity is included.
There are a few key differences between NiCd and NiMH batteries that you may want to consider when deciding which battery is best for your needs. One of the key differences between NiCd and NiMH batteries is their capacity, or the amount of energy they can store.
NiMH batteries typically have higher voltages than NiCd batteries, which means they can store more energy and longer between charges. This makes NiMH batteries ideal for applications where you need long-term power, such as a digital camera or portable music player.
Another important difference between NiCd and NiMH batteries is their chemical composition. NiCd batteries use a combination of nickel and cadmium, while NiMH batteries use a combination of nickel and metal hydride.
One of the main advantages of NiMH batteries over NiCd batteries is that they have a lower impact on the environment. NiCd batteries contain cadmium, a toxic heavy metal that can be harmful to humans and the environment if not disposed of properly.
NiMH batteries, on the other hand, are cadmium-free and generally considered to be less environmentally friendly. In terms of performance, NiMH batteries generally have higher capacity than NiCd batteries, which means they can deliver more power to a device. They also tend to have lower personal disposal rates, which means they’ll save their debt longer when they’re not using it. However, NiCd batteries are generally more resistant to extreme temperatures, making them ideal for applications that will be exposed to extreme cold or extremely hot temperatures. Another important difference between NiCd and NiMH batteries is their lifetime. NiMH batteries tend to have a long life.
One of the main advantages of NiMH batteries over NiCd batteries is that they have a lower environmental impact. NiCd batteries contain cadmium, a toxic heavy metal that can be harmful to humans and the environment if not properly disposed off.
On the other hand, NiMH batteries do not contain cadmium and are generally considered more environmentally friendly. In terms of performance, NiMH batteries usually have a higher voltage than NiCd batteries, which means they can provide more power to the device. They also tend to have a lower self-discharge rate, meaning they hold a charge longer when not in use.
NiMH batteries generally last longer than NiCd batteries, meaning they can be charged and used many times before they need to be replaced. This makes them a more cost-effective option in the long run since you won't have to replace them as often. In summary, NiCd and NiMH batteries are two types of rechargeable batteries that are commonly used in different applications. NiMH batteries generally have a larger capacity, lower environmental impact and longer life than NiCd batteries, but NiCd batteries are more resistant to extreme temperatures. Both types of batteries have advantages and disadvantages, and which one is best for you depends on your specific needs and requirements.
Summary
| Difference | Ni-Mh Battery | Ni-Cd Battery |
| Name |
Ni-Mh stands for Nickel Metal Hydride Battery |
Ni-Cd stands for Nickel Cadmium Battery |
|
Capacity |
Higher |
Lower |
|
Self Discharge |
High Self Discharge |
Low Self Discharge |
|
Operating Temperature |
-20 to 45 Degree Celsius |
-20 to 40 Degree Celsius |
|
Environmental Impact |
Low |
High, Uses Heavy Metals |
|
Service Life |
500-800 Cycles |
1800-2200 Cycles |
|
Price |
Higher |
Lower |
|
Fault Tolerance |
Less Impacted By Over Discharge and Over Charging. |
Greatly Impacted By Over Discharge and Over Charging. |
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