What is the low temperature resistance of ternary lithium battery?

Introduction What is the low temperature resistance of the ternary lithium battery -10 degrees? Ternary lithium batteries cannot be used at minus 10°C, and lithium batteries cannot be used at too low temperatures. At too low temperatures, the lithium in the battery

What is the low temperature resistance of ternary lithium battery?

-10 degrees. Ternary lithium batteries cannot be used at minus 10°C, and lithium batteries cannot be used at too low temperatures. At too low temperatures, lithium deposits in the battery cause internal short circuits. To put it simply, in a low temperature environment, it is not that the lithium battery is really discharged, but that it is powered but cannot be released normally. When ordinary lithium batteries reach minus 10°C, their capacity drops by around 20%. When it reaches minus 10°C, the capacity is only about half.

Ternary lithium batteries cannot be used at minus 10°C.

Lithium-ion batteries cannot be exposed to too low a temperature. At temperatures that are too low, the lithium in the battery is deposited and causes an internal short circuit. Simply put, in an envilow temperature hum, it is not that the lithium battery is really discharged, but that it is powered but cannot be released normally. The capacity of ordinary lithium batteries will be reduced by 20% at zero degrees Celsius, and when it reaches minus 10 degrees Celsius, the capacity may only be about half.

The working principle of lithium-ion batteries is that the internal electrolyte changes through chemical reactions, causing a potential difference between the electrodes positive and negative. generate current. In a low temperature environment, the electrolyte moves very slowly, which affects the transfer activity of lithium ions between the positive and negative electrodes, resulting in a decrease in the charging and discharging performance of the battery.

How to solve the problem of low temperature protection of lithium batteries

If the lithium battery of electric vehicles has low temperature protection, you can put the electric vehicle in a place with a slightly higher temperature. Additionally, you can use lithium batteries to stay warm. Especially in cold northern winters, try not to place them directly in the open air. You can place them in a warm basement. garage, so that low temperature protection can be solved.

You can also use special thermal insulation materials to wrap the lithium battery, so that the temperature of the lithium battery can be increased. However, you should be careful when purchasing thermal insulation materials. a specialized store to buy them and buy better quality ones. This has a better thermal insulation effect.

In cold winter, it is recommended to recharge in timeafter riding. When the battery temperature is too low, the BMS will trigger low temperature protection and become unable to charge. At this point, the battery can be placed in an environment above 0°C for a period of time until the battery temperature warms up to a rechargeable state, or the charging source can be reconnected.

For the above content, please refer to Baidu Encyclopedia-Lithium Battery

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