石墨烯基复合材料的制备及在新能源电池中的应用进展

Preparation of graphene-based composite materials and the application progress in new energy batteries

石墨烯具有高比表面积、高热导率、超高导电性、超强机械性能等,在新能源电池研究领域引起人们广泛关注。本文概述了新材料石墨烯制备方法,重点介绍了石墨烯复合材料在锂离子电池正负极材料、动力电池、太阳能电池、微生物电池的正极、负极中的研究进展,指出了相关电池电极材料现存的缺点和不足。最后提出了石墨烯在其相关领域中面临挑战和未来发展方向。

Graphene has high specific surface area,high thermal conductivity,high conductivity,super mechanical properties and other physical properties.This paper first summaries preparation method of graphene,and then focuses on the graphene composite materials in lithium ion battery cathode materials,power battery,solar battery,battery positive and negative microorganisms,and points out the shortcomings and deficiencies of the existing battery electrode materials.Finally,the challenges and future directions of graphene in the related fields are put forward.