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What are the important issues encountered during the production process of lithium forklift batteries packs? The lithium forklift batteries pack is usually used as a carrier for the internal storage of lithium forklift batteries UPS, and its importance is self-evident. The quality issues of lithium forklift batteries packs can greatly affect the overall quality of lithium forklift batteries UPS, so strict control is required during the production process of lithium forklift batteries packs.

Today, the editor will talk to you about the important problems encountered in the production process of lithium forklift batteries packs, and how these problems will affect the quality of lithium forklift batteries packs.

The production process of lithium forklift batteries packs includes important processes such as aluminum-plastic film forming, top and side sealing, liquid injection, pre sealing, settling, formation, and fixture shaping.

The following will discuss the specific production process of lithium forklift batteries packs.

Aluminum plastic film forming process

The use of water washing oil and "chromic anhydride" passivation treatment on the surface of aluminum foil during the treatment process may cause the oil in the micropores of the aluminum foil to be unable to be cleaned completely due to the tension on the water surface, resulting in defects in subsequent processes.

UV coating on the surface of aluminum foil, insufficient stiffness of aluminum foil, and wrinkling are prone to occur during dry lamination.

Insufficient effectiveness of the adhesive during preparation can easily lead to delamination and peeling of the aluminum-plastic film.

Injecting liquid

When the lithium forklift batteries pack undergoes the liquid injection step, if the water content in the injection chamber is high, it will react with the solute lithium hexafluorophosphate to generate HF acid, which has a significant impact on the electrochemical performance and safety performance of the battery.

If the lithium forklift batteries pack stays in the injection chamber for too long, it will absorb more water and also generate HF acid.

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During the formation process, the formation of SEI film is influenced by various factors such as the composition material and external temperature. If there are problems with the formation of the SEI film, it will increase the irreversible capacity of the lithium forklift batteries pack during initial charging and discharging, and also reduce the charging and discharging efficiency of the electrode material.

There are many steps in the production process of lithium forklift batteries packs, and if you want to produce lithium forklift batteries packs with qualified product quality, you must ensure that every step is error free.

The examples above are only a small part of the production process of lithium forklift batteries packs, so if you want to have safer and more reliable lithium forklift batteries pack products, you still need to purchase from well-known large manufacturers. Because large manufacturers have sufficient funds to purchase high-quality production tools and a cleaner production environment, as well as numerous testing processes, they can supply higher quality lithium forklift batteries packs.

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