Air inlet box and air supply device for lithium battery manufacturing

By using a closed enclosure and filter layer design, the problem of metal impurities in the air during lithium battery production is solved, achieving high-cleanliness air filtration and ensuring the stability and safety of lithium battery production.

CN224236404UActive Publication Date: 2026-05-15CHENGDU BOSCH HANDE COMPRESSOR MANUFACTURING CO LTD
0 Cites 0 Cited by

Patent Information

Application Number
CN202520797245.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-24
Publication Date
2026-05-15
Estimated Expiration
2035-04-24

AI Technical Summary

Technical Problem

In the current production process of positive and negative electrode materials for lithium batteries, the air supplied by the compressor contains metallic impurities, which cause the metal to be reduced at the negative electrode and puncture the separator, resulting in the problem of battery self-discharge.

Method used

It adopts a closed box and filter layer structure, and uses stainless steel and activated carbon layers to filter metal impurities in the air, forming a sealed filtration system to ensure air cleanliness.

Benefits of technology

It effectively filters out metallic impurities, avoids the reduction of elemental metals in the negative electrode, improves air cleanliness, and ensures the quality of lithium battery production.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The utility model provides an air inlet box and an air supply device for lithium battery manufacturing, and relates to the field of lithium battery production. The utility model provides an air inlet box. The air inlet box comprises a closed box body; the partition plate is arranged in the closed box body and divides an inner cavity of the closed box body into a first cavity body and a second cavity body which are independent, the partition plate is provided with a flow guide hole, and the flow guide hole is provided with a filter layer; one end of the air inlet pipe communicates with the first cavity; and one end of the air outlet pipe communicates with the second cavity. Metal impurities in the air can be filtered, and the cleanliness of the air fed into the compressor is guaranteed. The utility model further provides an air supply device which comprises an air inlet box and further comprises a compressor. A connecting pipe; and the protective cover is arranged on the compressor, the connecting pipe and the air inlet box in a covering mode at the same time, two openings are formed in the protective cover, and the two openings are matched with installation of the air inlet pipe and the air outlet structure of the compressor correspondingly. The device is in a totally-enclosed environment, and metal impurities in the air are prevented from permeating from the joint.
Need to check novelty before this filing date? Find Prior Art