-What are the effects of long-term storage of lithium batteries?

What are the effects of long-term storage of lithium batteries?
author:enerbyte source:本站 click274 Release date: 2023-11-27 08:39:12
abstract:
The application fields of lithium-ion batteries for long-term storage, such as medical, special, and auxiliary power supplies, make it particularly important for batteries to have good long-term storage performance. The interior of lithium-ion batteries is a relatively complex electrochemical...

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The application fields of lithium-ion batteries for long-term storage, such as medical, special, and auxiliary power supplies, make it particularly important for batteries to have good long-term storage performance. The interior of lithium-ion batteries is a relatively complex electrochemical system. After being left unused for a long time, the equilibrium state inside gradually changes. When it accumulates to a certain extent, the battery often undergoes the following changes: cobalt oxide lithium-ion batteries

1. Physical properties

According to the actual evidence of lithium-ion batteries stored for a certain period of time, the physical characteristics (appearance, size, weight, etc.) of the battery will undergo certain changes, especially the appearance characteristics. In situations where the temperature and humidity of the storage environment are poor, this trend of change is more pronounced.

In high humidity conditions, the weight gain of lithium-ion batteries after long-term storage is significantly higher than that of batteries placed in low humidity conditions. The steel shell of the battery is prone to rust under high humidity, resulting in a slight increase in quality. Rust will not have an impact on the internal condition of the battery, but it will directly affect the shipment of the product and may have a negative impact on the accompanying electronic components.

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