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RAYTRON鋰電池極耳材料生產(chǎn)供應(yīng)

Battery Tab是鋰離子電池的重要組成部分,電池分為正負(fù)極,極耳是由電池片的正負(fù)極引出的金屬導(dǎo)體,簡(jiǎn)而言之,電池的正負(fù)耳是充電和放電時(shí)的接觸點(diǎn)。一般來(lái)說,鋰離子電池的正負(fù)極是由鋁合金制成的,而負(fù)極是由鎳制成的,負(fù)極也可以由鍍鎳的銅制成。

鎳材料主要用于數(shù)碼小電池,如:手機(jī)電池、移動(dòng)電源電池、平板電腦電池、智能傳輸設(shè)備電池等。鍍銅鎳材料的電池極耳主要用于:主要用于動(dòng)力電池和高速率電池。

Raytron新能源生產(chǎn)鋰離子電池極耳一般采用圓盤式極耳(整個(gè)金屬條通過設(shè)備加膜后卷成圓盤),用于自動(dòng)化生產(chǎn)線,這種包裝方式也叫載帶式包裝。還有一種板式極耳(金屬帶在加膜后被切成獨(dú)立的片狀,然后排成一排,中間夾著兩片薄薄的透明塑料片),用于一般生產(chǎn)線。主要采用這兩種包裝方法。

鋰離子電池極耳也需要表面處理,目前工件常用的表面處理有電鍍鎳和化學(xué)鍍鎳工藝,電鍍鎳層厚度為1.8±0.3um,化學(xué)鍍鎳層厚度為1.0±0.3um。另外,銅鍍鎳的焊耳要保證導(dǎo)電性;表面處理后的鎳起到防止銅氧化的作用,如果要保證銅鍍鎳焊耳的可焊性,還需要對(duì)焊耳的表面鈍化膜進(jìn)行二次處理。

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