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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What are the factors that affect the low-temperature performance of lithium-ion batteries

source:Industry News release time:2024-02-27 Hits:     Popular:AG11 battery

  

  With the rapid development of lithium-ion batteries in the fields of electric vehicles and military industry, the disadvantage of their low-temperature performance not being able to adapt to special low-temperature weather or extreme environments has become increasingly apparent. Under low temperature conditions, the effective discharge capacity and energy of lithium-ion batteries will significantly decrease, and they are almost non rechargeable in environments below -10 ℃, which seriously restricts the application of lithium-ion batteries.

  Lithium ion batteries are mainly composed of positive electrode materials, negative electrode materials, separators, and electrolytes. Lithium ion batteries in low-temperature environments have characteristics such as a decrease in discharge voltage plateau, low discharge capacity, fast capacity decay, and poor rate performance. The main factors that restrict the low-temperature performance of lithium-ion batteries are as follows:


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