鋰電池銅箔LiB Copper Foil 銅箔厚度(Thickness): 4.5um ~ 6um 標準電池銅箔 適用於廣泛的產品 這確保了長期的高可靠性 應用於鋰離子電池 Standard battery copper foil applicable to a wide range of products, which ensures high reliability with long-term application to lithium-ion batteries