一种镁离子电池及其制备方法技术

发明专利技术提供了一种镁离子电池及其制备方法，包括电池负极、电解液、隔膜和电池正极；其中，所述电池正极包括正极集流体和正极活性材料层，所述正极活性材料层包括正极活性材料，所述正极活性材料层包括自由可逆脱嵌镁离子的正极活性材料；所述电解液包括电解质和溶剂，所述电解质为镁盐；所述电池负极包括金属、金属合金或金属复合物导电材料中的一种或几种。本发明专利技术提供了一种镁离子电池，用镁替换锂，解决了锂资源储量有限的问题；节省了一个部件的体积和重量，能够降低电池的重量和体积，提高电池能量密度；且所发生的电化学反应的反应主体为镁离子，镁离子带有两个电荷，提高了电池的容量。

A Magnesium Ion Battery and Its Preparation Method

The invention provides a magnesium ion battery and a preparation method thereof, including a battery negative electrode, an electrolyte, a diaphragm and a battery positive electrode, wherein the battery positive electrode comprises a positive collector and a positive active material layer, the positive active material layer comprises a positive active material, and the positive active material layer comprises a free reversible positive active material embedded with magnesium ions. Electrolyte and solvent, the electrolyte is magnesium salt, and the battery negative electrode includes one or more of metal, metal alloy or metal composite conductive materials. The invention provides a magnesium ion battery, which replaces lithium with magnesium, solves the problem of limited lithium resource reserves; saves the volume and weight of a component, reduces the weight and volume of the battery, and improves the energy density of the battery; and the main reactor of the electrochemical reaction occurs is magnesium ion, which has two charges and enhances the capacity of the battery.

【技术实现步骤摘要】
【国外来华专利技术】PCT国内申请，说明书已公开。

【技术保护点】
PCT国内申请，权利要求书已公开。

【技术特征摘要】
【国外来华专利技术】PCT国内申请，...

【专利技术属性】
技术研发人员：唐永炳，圣茂华，张帆，
申请(专利权)人：深圳中科瑞能实业有限公司，
类型：发明
国别省市：广东,44