-What is the impact of different temperatures on lithium batteries?

What is the impact of different temperatures on lithium batteries?
author:enerbyte source:本站 click325 Release date: 2023-11-17 10:03:02
abstract:
The low-temperature performance of lithium-ion batteries made of different materials also varies. Currently, the hottest type of lithium iron phosphate has the worst low-temperature performance. Our product has a capacity of 89% of its maximum capacity at -10 ℃, which should be relatively hig...

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The low-temperature performance of lithium-ion batteries made of different materials also varies. Currently, the hottest type of lithium iron phosphate has the worst low-temperature performance. Our product has a capacity of 89% of its maximum capacity at -10 ℃, which should be relatively high in the industry; At 55 ℃, the capacity can reach 95%, and the attenuation at relatively low temperatures is relatively small. This is still a product for inspection, as you can understand, the quality is much higher than that of normal products on the assembly line.

There is currently no way to quantify the specific requirements, as the high activity of lithium-ion batteries poses the biggest issue of consistency. Even products from the same batch, material, and process can have significant differences in performance.

Relatively speaking, lithium manganese oxide, lithium cobalt oxide, and ternary products have better low-temperature performance, but they are also limited; And the sacrifice is high-temperature performance. Nowadays, lithium iron phosphate in the industry has high safety performance and good high-temperature performance, but the battery activity is not as high as the above three, which is relatively safer. The overall performance is still not as good as manganese lithium or ternary.

Therefore, the usage time of lithium-ion batteries in winter is inevitably shorter than in summer.

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