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国货当自强,卓能新能源推出容量3350mAh高能量密度18650电芯

2017-06-19 Yubeii 充电头网


圆柱体钢壳18650锂电芯从神秘走向世人周知也就几年之间的事,一开始时只是作为不可拆卸物品的电池组存在,例如笔记本电池、工业设备电池等,后来强光 手电与DIY移动电源的出现瞬间让这种电芯进入用户视野。虽然科技发展日新月异,可是电池发展并未迎来摩尔定律的飞跃,能量密度每年只以非常少的幅度缓慢 攀升,国外品牌
18650 锂电池能量密度已突破3500mAh关口,松下三洋NCR18650GA、三星INR18650-35E、LG MJ1三巨头全都是国外企业,而这三巨头批量出货最大的还是3350mAh这个容量规格,因为这个规格可以很方便的使用3颗、6颗来组建 10000mAh、20000mAh电池组。

国内企业经历多年来奋力直追与外国品牌的差距进一步缩小,例如国产品牌卓能新能源在2016年就推出了容量为3000mAh的18650锂电芯,今年4月份也推出可能是未来新兴起的规格:20650 3350mAh,可见国产厂家在不断追赶外国品牌。

2017年6月,卓能新能源突破研发瓶颈发布国人自己的第一款高密度18650,容量达到3350mAh,真是可喜可贺。3350mAh这是一个非常关键 的容量规格,比如移动电源产品的厂家在选择电芯的时候,最常用的规格就是10000mAh,长续航型产品常用规格是20000mAh,举例 10000mAh产品在开发设计的时候可以选择的电芯规格就只有2000mAh*5、2500mAh*4、3350*3,所以哪怕卓能去年推出了 3000mAh 18650,出货量还是比较低的,因为十分尴尬。



卓能这款3350mAh 18650电芯采用类似香芋颜色的浅紫外皮,喷码为“18650 3.6V 11.88Wh”“GZNS SJ2H253EK 2300888”,采用4爪4泄压孔正 极帽。从喷码与PDF可以获知这款电芯放电均压3.6V能量为11.88Wh,标称容量3350mAh最小容量3300mAh,额定电压3.6V标准充电 0.3C(990mA)最大充电电流0.5C(1650mA),最大充电电压4.35V放电终止电压2.5V,最大放电电流1.0(3300mA),重量 46g内阻≤60mΩ。

以前技术关系,国内电芯厂家只能在2000mAh、2500mAh这两个低密度规格争夺市场,现在卓能进入3350mAh这个高能量密度市场,拥有可以直接与外国厂家争夺市场的能力,国货当自强!

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深圳卓能新能源发布3350mAh 20650规格电芯

卓能3000mAh NCA 18650电池完整测试

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