石墨烯在锂离子电池和超级电容器中的应用展望

Application prospect of graphene in Li-ion battery and supercapacitor

由于独特的结构和优异的性质,石墨烯在锂离子电池和超级电容器领域展现出潜在的应用前景,受到了科学界和产业界的广泛关注,涌现出大量的研究工作。就石墨烯在储能领域的应用进行了分析、同时对未来发展趋势进行了预判,以期加强对石墨烯结构-性能关系的理解。首先就石墨烯在锂离子电池的正极和负极中的应用,以及石墨烯在双电层电容器和赝电容电容器中的应用进行了介绍,其次,针对石墨烯应用于双电层电容器中存在的挑战进行了论述,同时针对性地提出了应用于双电层电容器的石墨烯结构。最后,提出了实现石墨烯基双电层电容器的商业化应用的"三步走路线"。

Graphene, as a rising star in materials science, is intensively studied in Li-ion batteries and supercapacitors, owing to its unique structure and excellent properties. The research status of the application of graphene in energy storage field was disscussed and the future development trend was predicted, and therefore to enhance the understanding of the structure-performance relationship of graphene and also the application of graphene in this field. Firstly, the application of graphene in cathode and anode of Li-ion battery, and the application of graphene in electrical double-layer capacitor and pseudo-capacitor were introduced. Secondly, the challenges of graphene in electrical double-layer capacitor were discussed and the ideal structure of graphene applied to electrical double-layer capacitor was proposed. Finally, the "three steps" to realize the commercial application of graphene-based electrical double-layer capacitor were put forward.