用于热管理、电池电极和核能领域的天然石墨研发新进展

Recent progress in the research and development of natural graphite for use in thermal management, battery electrodes and the nuclear industry

    摘要
  • 摘要: 天然石墨具有高导热、高导电、耐高温、耐腐蚀和防辐射等诸多优点，已广泛应用于热管理、电池制造和核工业等众多领域。不过，矿物纯度即固定碳含量是影响天然石墨应用的一个重要因素，而要从高品位天然石墨矿物中分离出杂质难度较大。如何高效地提纯天然石墨矿物，以及提纯后的天然石墨有哪些材料化及高端应用，均为研究人员所关心的问题。因此，从天然石墨的类型和矿物资源储量出发，介绍了一些传统的石墨提纯工艺和获得高纯度石墨的新方法。重点综述了天然石墨特别是微晶石墨在热管理、电池制造和核工业等能源利用领域的最新研究进展。最后，对天然石墨的应用现状和未来趋势进行了总结和展望。

     

    Abstract: Natural graphite has many excellent properties such as high thermal and electrical conductivities, high temperature resistance, corrosion resistance, and radiation tolerance. It is widely used in many fields such as thermal management, battery electrodes, and the nuclear industry. The carbon content is an important factor that limits the applications of natural graphite minerals, but the impurities are difficult to remove from high-grade graphite minerals. This review discusses the types of natural graphite and mineral resources, followed by a discussion of traditional graphite purification processes and new methods to obtain high-purity graphite. Recent research on the development of natural graphite for use in thermal management, battery electrodes and the nuclear industry are summarized and the future applications of natural graphite are discussed.

     

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