The connection piece of battery pac作店k and nickel strip of lithium batt讀坐ery are generally welded by sing坐跳le-sided double spot we家做lding machine (double ne都來edle welding).
The material of connecting 購說piece includes pure nickel piece, 師煙steel strip nickel plating, etc. In 相鐘welding, if the ele電山ctrode material is no習秒t selected correctly, the p他說henomenon of "sticking electrode&道長quot; or "splashin也道g" is very easy to occur in the b對男attery spot welding 外呢machine.
At present, the electr農金ode (double nee但海dle welding) of battery sp動爸ot welding machine is general飛費ly made of alumina copper. Alumina 可鐘copper is also ca雪那lled dispersion 妹見copper,
The composite uses開錢 12-25 nanometer tiny A1203 particle美件s to strengthen the copper matr船路ix, so that the m工有aterial has the properties of high 離拿strength, high hardness, high 林動conductivity and但南 high softening temperature.樹這
Aluminum oxide copper, the electrod少制e of battery spot welder, is mainl區麗y aluminum oxide copper i好來mported from the United Sta商能tes and Japan, as well as aluminum ox城些ide copper produced by近微 domestic manufacturers. Custome知民rs generally report 慢件that alumina copper imported from the木家 United States has better per舊生formance and can effectively s跳什olve the problems of electro很聽de sticking and splashing. But厭議 it's not easy to buy re時事al American imported在友 materials.
Of course, some customers use copper 道冷base inlaid alloy to make battery we外劇lding electrode風離, which improves the service life in什道 practice.
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