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Important production steps for lithium-ion battery packs

pulping

The slurry is made by mixing specialized solvents and adhesives with powdered positive and negative active substances, and stirring them evenly at high speed to produce a slurry like positive and negative active substance.

film

The coating material is evenly coated on the surface of the metal foil, dried, and respectively made into positive and negative electrode plates.

assembling

The assembly process of the battery is completed by placing the positive electrode plate, separator, negative electrode plate, and separator in a top-down order, winding them to form the battery core, and then injecting electrolyte, sealing, and other processes to produce the finished battery.

Formation detection

Huacheng uses specialized battery charging and discharging equipment to conduct charging and discharging tests on finished batteries. Each battery is tested, and qualified finished batteries are selected and ready for delivery.

Important production steps for lithium-ion battery packs

pulping

The slurry is made by mixing specialized solvents and adhesives with powdered positive and negative active substances, and stirring them evenly at high speed to produce a slurry like positive and negative active substance.

film

Portable laser etching machine

Portable laser etching machine

Intelligent lithium battery, UART communication

Nominal voltage: 21.8V

Nominal capacity: 15mAh

Battery size: 51 × eighty × 236mm

Application areas: portable laser equipment, etching machines, marking machines

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The coating material is evenly coated on the surface of the metal foil, dried, and respectively made into positive and negative electrode plates.

assembling

The assembly process of the lithium battery is completed by placing the positive electrode plate, separator, negative electrode plate, and separator in a top-down order, winding them to form the battery core, and then injecting electrolyte, sealing, and other processes to produce the finished battery.

Formation detection

Huacheng uses specialized battery charging and discharging equipment to conduct charging and discharging tests on finished batteries. Each battery is tested, and qualified finished batteries are selected and ready for delivery.

Non magnetic low temperature 18650 2200mAh

Non magnetic low temperature 18650 2200mAh

-40 ℃ 0.5C discharge capacity ≥ 70%

Charging temperature: 0-45 ℃

Discharge temperature: -40~+55 ℃

-Maximum discharge rate at 40 ℃: 1C

-40 ℃ discharge capacity retention rate: 0.5C discharge capacity ≥ 70%

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Important production equipment for lithium-ion battery packs

Coating machine

The coating machine is specifically used for coating the positive and negative electrodes of lithium-ion battery packs on aluminum foil and copper foil. High end coating machines have advantages such as extrusion die head method and continuous coating, which can provide better coating effects.

Winding machine

The winding machine is important for winding lithium-ion battery pack cells and is suitable for electrode plates and various separators. A good winding machine is capable of automatic winding, automatic needle changing, automatic tape termination and automatic cutting, with simple operation and high efficiency.

Heating shaping machine

The heating shaping machine is also specifically applied to battery cells, and the heating plate uses brass plate, which has good thermal conductivity, safety, and environmental protection.

Sealing machine

Sealing welding machine is a plastic welding machine specifically designed for welding lithium-ion battery packs or large and irregularly shaped thermoplastic workpieces. It is a highly reliable and durable plastic welding machine with fast setting, quick mold changing, simple and intuitive program control, and extremely high safety characteristics.

The production steps of lithium-ion battery packs are actually relatively cumbersome, and the content related to the production steps in the article is only a general overview. The application range of lithium-ion battery packs is also quite common, so the safety issues of lithium-ion battery packs are also worth paying attention to.

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