產(chǎn)品安全和預警(18650ec)(編輯修改稿)
2025-02-25 00:37 本頁面
【文章內容簡介】 Fe ?Fe:陰極樣極粉料中的 Fe 含量，鐵在化成時刻會溶解形成枝晶 ,導致短路 ,鐵雜質在２ｐｐｍ以下 Surpassing customer’s expectation Amperex Technology Limited Coating Head of the coater structure Coater structure Tension controller Air pump Tension controller Comma blade Air valve Sensor of level groove coater Back roller Air controller Comma blade sensor Surpassing customer’s expectation Amperex Technology Limited Coating Mag was installed to mix slurry (8000Gs。 Clean per shift) Metal roller was fixed to avoid metallic particle generation Surpassing customer’s expectation Amperex Technology Limited Coating 陰極頭部山峰 ,破壞 cell , 極片脆厚度、重量波動大于 4% 陰極嚴格控制拖尾異常 Surpassing customer’s expectation Amperex Technology Limited Calendaring Two rows mag (8000Gs, clean per shift) Feeding Cold pressing Unloading Vacuum cleaner and Brush (Clean per shift) 極片脆，已斷 陽極極片 A/B 面接反 Surpassing customer’s expectation Amperex Technology Limited Calendaring 壓滾上有異物 Surpassing customer’s expectation Amperex Technology Limited Slitting Vacuum cleaner and Brush (Clean per shift) 分條時 ,影響電芯安全的主要因數(shù)是 毛刺 。 Surpassing customer’s expectation Amperex Technology Limited Slitting 金屬顆粒 Surpassing customer’s expectation Amperex Technology Limited Tab Welding winding Surpassing customer’s expectation Amperex Technology Limited Can insertion 漏底絕緣片 隔離膜破損 Hipot— 放底部絕緣片 — 入殼 — 擴孔 — 點底焊 — 放頂部絕緣片 — 插 center pin— 滾槽 — 吸金屬屑 （其中，插 center pin、滾槽三個工序順序可以顛倒） Center Pin的作用 : 1起支撐作用，防止電芯變形； 2電池內部產(chǎn)生大量氣體時，center pin提供
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