The manufacturing process of 3C lithium battery is divided into four processes, one is pole piece manufacturing, the other is battery cell assembly, the third is battery cell activation detection, and the fourth is battery packaging. Battery activation, including formation, capacity separation and testing, is the key process after the completion of 3C lithium battery production and before packaging and shipment. The technological process of 3C lithium battery can be divided into positive electrode extraction, negative electrode extraction, positive electrode sheet, negative electrode sheet, steel shell assembly, liquid injection, testing and packaging.
In the performance test of 3C lithium battery, the medium that can conduct current is usually used. For example, the high-current elastic microneedle module can pass the current within 1-50A in the test of mobile phone lithium battery, which plays a good connection role; In addition, it has a reliable coping style in the field of small pitch, maintains stable connection within the pitch of ≤0.2mm, has reliable connection performance, and will not jam or break the needle.