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一般描述
锂是一种低密度碱金属,广泛用作可充电和不可充电电池的负极材料。此外,它还可用于与铝和镁铸成合金,使其结构更坚固、更轻质。
颗粒锂是一种磨成小颗粒的锂金属。锂是一种质地柔软的银白色金属,具有高反应活性和易燃性。锂的密度很低,为0.534 g/cm3,是最轻的金属之一。和其他碱金属一样,锂的熔点很低(180°C),是电和热的良导体。 颗粒锂具有高反应活性,是一种强还原剂。它可能发生点燃或爆炸,因此必须谨慎处理。锂容易与水和氧气分别反应生成氢氧化锂和氧化锂,甚至在室温下可与氮气反应生成氮化锂。通常,锂储存于氩手套箱和密封容器中,以防止其暴露于湿气、空气和氮气中。 要制成颗粒锂,首先采用碳酸锂转换工艺从锂辉石或锂云母等矿石中提取金属。将锂纯化至高纯度后,通过旋转叶片将其磨成颗粒。
应用
锂可用作:
- 合成锂铝和锂硅合金等锂基合金的前体,以用作能量转换和存储领域的负极材料。
- 熔融LiCl盐中还原氧化锆化合物的还原剂。
- 合成还原剂(1,4-双(三甲基氢化锗)-1.4-二氢吡嗪)的起始原料,以生产镍金属薄膜。
警示用语:
Danger
危险声明
危险分类
Skin Corr. 1B - Water-react 1
补充剂危害
储存分类代码
4.3 - Hazardous materials which set free flammable gases upon contact with water
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
法规信息
监管及禁止进口产品
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