Abstract: The demand for a new generation of high⁃energy⁃density batteries is increasingly urgent for the present market. As one of the most promising secondary batteries, the research on cathode materials has attracted much attention. Carbon materials with biomass as the precursor have been widely applied to the research of lithium⁃sulfur battery anode materials because of their wide range of sources, easy preparation, and high environmental friendliness. This paper introduces the current research status of cathode materials, the main methods of preparing biomass⁃based carbon materials and the effect of different factor of preparation on the biomass⁃derived carbon materials and on the performance of lithium⁃sulfur batteries. In addition, the paper also introduces some examples of biomass⁃derived carbon materials improved by current methods. Finally,the future development direction in lithium⁃sulfur battery cathode materials was proposed.

Key words: Lithium?sulfur batteries, Biomass, Cathode materials, Carbon materials, Shuttle effect

摘要： 当前市场对于新一代高能量密度的电池需求日益迫切，锂硫电池作为最有前景的二次电池之一，其正极材料的研究广受关注。而生物质为前驱体的碳材料因其来源广泛易制备、环境友好性能高而不断被应用到锂硫电池正极材料的研究中。介绍了正极材料的研究现状，制备生物质基碳材料的主要方法，不同制备因素对于生物质碳材料的影响以及在锂硫电池中性能的影响；介绍了生物质碳材料结合目前正极材料的改进措施的实例；最后对生物质碳材料在锂硫电池正极未来的发展方向提出了思考。

关键词: 锂硫电池, 　生物质, 　正极材料, 　碳材料, 　穿梭效应