18650 rechargeable battery lithium 3.7v 3500mah
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18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah

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CR1220 battery

release time:2024-07-11 Hits:     Popular:AG11 battery

American scientists have developed a perfect CR1220 battery phosphate battery that combines high efficiency, low cost and long life.

 

Specifically, the CR1220 battery phosphate battery can last about 250 miles with only 10 minutes of charging, and the battery life exceeds 2 million miles, and the cost is only comparable to that of a traditional internal combustion engine. This battery meets all the requirements for the large-scale popularization of electric vehicles, namely low cost, no range anxiety, ultra-safe, long life, and all-weather, which can help achieve the goal of bringing electric vehicles into thousands of households.

 

The researchers said, "We have developed a battery for ordinary electric vehicles, which costs the same as internal combustion engine vehicles. This battery no longer has range anxiety and is affordable." The research results were published in Nature Energy, the world's best journal in the field of energy, on January 18.

 

The researchers pointed out that the key to long life and fast charging is the thermal stimulation technology they developed previously, also known as self-heating technology.

 

Simply put, it can quickly heat the battery to about 60°C for fast charging before charging the electric vehicle, and the battery will quickly cool to ambient temperature after stopping charging. "This will not form thermal decay of the battery and can also prevent serious SEI film rise."

 

Using this self-heating technology, the researchers said that the battery can be made using low-cost materials as positive and negative electrodes, as well as safe, low-voltage electrolytes. The cathode is thermally stable CR1220 battery phosphate and does not contain any expensive key materials such as cobalt. The anode is made of large-grain graphite, which is a safe, light and cheap material.


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