聚合物模板法组装石墨烯三维有序多孔材料

项目名称： 聚合物模板法组装石墨烯三维有序多孔材料

项目编号： No.51302281

项目类型： 青年科学基金项目

立项/批准年度： 2014

项目学科： 一般工业技术

项目作者： 陈成猛

作者单位： 中国科学院山西煤炭化学研究所

项目金额： 25万元

中文摘要： 石墨烯作为的二维纳米炭材料，具有优异的物理和化学性能，应用前景十分广阔。目前将石墨烯以特定方式组装成柔性薄膜、杂化体和多孔材料等宏观体，并保持其原有纳米效应，已成为石墨烯规模化应用的有效途径。石墨烯多孔材料可有效阻止石墨烯的不可逆团聚，在能源存储与转化领域具较高应用价值。而当前方法所制石墨烯泡沫在三维空间内多为无序排列，孔径及孔隙率可控性差，限制了其宏观力学与导电/热性能的发挥。本项目旨在实现氧化石墨烯和聚合物模板剂的可控合成，通过真空过滤法制备氧化石墨烯/聚合物模板复合薄膜，再经炭化还原移除模板，制备出具有合理孔径分布、孔隙率可控、各向异性的有序石墨烯三维多孔薄膜，并构建其微观结构与电化学性能的逻辑关联，为石墨烯在储能中的低成本规模化应用奠定理论基础。

中文关键词： 石墨烯；薄膜；多孔；有序组装；模板法

英文摘要： As two-dimensional carbon nano-materials, graphene has widely application for its excellent physical and chemical properties. Recently, to assemble individual graphene into macroscopic flexible films, hybrids as well as porous foams in a certain manner, while maintain the nano-effects of which, has become an efficient and effective approach towards scale-up application of graphene. Porous graphene macro-assembly has many advantages in energy related areas due to the effective prevention of irreversible accumulation of graphene sheets. However, the porous graphene macro-assemblies prepared by current methods are usually disorderly arranged in the three-dimensional (3D) space, and the aperture and porosity of which are uncontrollable, which will significantly limit its macroscopic mechanical and electric/thermal properties. This project aims at the controllable synthesis of graphene oxide and polymer template. Graphene oxide/polymer template composite membrane will be prepared by vacuum assisted filtration. Anisotropic 3D graphene porous materials with controllable distribution of pore size and porosity are obtained by the following carbonization to remove the template. Furthermore, a systematic correlation between the micro-structure and macro-electrochemical performance of the material will also be set up, so as

英文关键词： graphene；membrane；porous；ordered assembly;；template