What is the difference between nickel-cadmium batteries and nickel-metal hydride batteries and lithium batteries?

What is the difference between nickel-cadmium batteries and nickel-metal hydride batteries and lithium batteries? Nickel-cadmium batteries, nickel-metal hydride batteries and lithium batteries are the three most popular batteries. So what are the differences between these three batteries? Let me explain. Nickel-cadmium batteries Nickel-cadmium batteries (Nicad) nickel-cadmium batteries are very strong. They work well in extreme environments, such as cold or hot weather. Their life cycle is also longer than that of nickel-metal hydride batteries or lithium batteries, about 700-1000 years. They are very suitable for high output deep discharge applications. On the downside, they have a charging problem called the memory effect. That is, if they are not fully charged after each use. It will remember that the last time only the maximum power is left, it will shorten the battery life. They can be repaired, but they have at least three life cycles. The advantages of using nickel-cadmium batteries are excellent temperature resistance and strong discharge capacity. Since Panasonic acquired Sanyo, the supply of high-quality batteries has declined. Panasonic has stopped processing various types of nickel-cadmium batteries. Therefore, only Chinese manufacturers can buy the discontinued models. This is a poor quality battery. Ni-MH battery Ni-MH battery (NiHM) Ni-MH battery has a larger capacity than a Ni-Cd battery and a smaller capacity than a lithium battery. Their weight is almost twice that of nickel-cadmium batteries. They have a subtle memory effect. They are good medium temperature batteries. You can use them, usually between -5 and 95 degrees Fahrenheit, without any disadvantages. They have good deep discharge characteristics, and the storage capacity is almost twice that of nickel-cadmium batteries. Their life cycle is usually lower than that of nickel-cadmium batteries, with a life cycle of 500-800 times. They are very similar to nickel-cadmium batteries in charge and discharge characteristics, and are safer than thermally runaway lithium batteries. Ni-MH batteries are more inclined to the fact that when you keep charging the battery, you will use it and its power will disappear. When you test it, you say it is fully charged. This is because the battery can no longer maintain its full capacity. Ni-MH batteries are superior to lithium batteries in preventing thermal runaway, but not as good as nickel-cadmium batteries. They have similar safety characteristics to nickel-cadmium batteries and are more suitable for the environment than nickel-cadmium batteries. The availability of NiMH batteries is very good. Some manufacturers process in many countries. Lithium batteries Lithium batteries are known for their high energy density. They can store more energy per pound than any traditional battery pack. This makes them ideal choices for portable electronics, automobiles, etc. They do not have the memory effect of nickel-cadmium batteries, and they perform better than nickel-cadmium batteries or nickel-hydrogen batteries in deep discharge applications. In terms of the environment, they are more environmentally friendly than nickel-cadmium batteries because they do not pollute water sources. Lithium batteries cannot work normally under extreme temperatures. The maximum capacity of a lithium battery at -40c is 12% of its room temperature capacity. The safety of lithium batteries is another issue. All lithium batteries must control the input and output voltages through integrated circuits. If the circuit does not exist, the lithium battery may lose its thermal control. I believe you have all heard of the laptop on fire. This is an example of thermal runaway. Another safety issue is water. In the presence of water, lithium batteries will quickly oxidize (and may explode) inside. The life cycle of a lithium battery is about 400 to 750. It can handle a large number of input and output voltages, and is very suitable for electric tools, electric vehicles, mobile devices, etc. Lithium is very useful. There are several regions in the world where rare earths can be mined, and prices should be stable for the foreseeable future. And flexibility. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: What brand of 18650 battery is good?