由于比表面积大、导电性好、性质稳定、来源广泛、成本低廉等，碳材料成为电

由于比表面积大、导电性好、性质稳定、来源广泛、成本低廉等，碳材料成为电化学电容器中最常用的电极材料。然而，作为电极材料，碳材料在超级电容器充放电过程中仍然存在着比表面积和孔隙有效利用率不足、孔隙分布不合理等主要科学问题，限制了其电化学性能的提升。为了解决这个问题，本项目拟采用Hummers法处理多种不同类型的原始碳素材料，制备出一系列尺寸和形貌可控的单分散碳质基元材料。以这些碳质材料为组装基元，充分利用它们之间的结构关系和结构差异，通过调节组装基元的结构形貌、尺寸大小以及表面特性等来进行优化复合组装，实现多层次孔道结构全碳复合电极的可控构筑，以期实现超级电容器性能的优化提升。此项研究将系统揭示碳组装基元的形态结构、尺寸及表面特性对所构筑电极的孔道结构的调控规律以及电极孔道结构与超级电容器电化学性能之间内在关系，为高性能超级电容器用碳电极的孔道结构设计和可控构筑提供理论依据。

結果 (英文) 1:

Nature due to the large specific surface area, good electrical conductivity, stability, a broader range of sources, low cost, and carbon materials most commonly used electrode materials for electrochemical capacitors. However, as the electrode material, carbon super capacitor charging and discharging process there is still lack of specific surface area and pore efficient utilization, unreasonable pore distribution and major scientific problems, limiting their electrochemical performance gains. In order to solve this problem, this project aims to use Hummers method to treat many different types of primitive carbonaceous materials, preparation of a series of size and morphology control of mono-dispersed carbon-based materials. Carbonaceous materials for assembling primitives,Take full advantage of the structural relationships and structural differences between them by regulating construction of primitive morphology, size, and surface characteristics such as to optimize composite Assembly, multiple levels of pore structure of carbon composite electrodes controlled building, with a view to achieving the supercapacitor performance improvement. This study will reveal the system carbon Assembly morphology, size and surface properties of primitive law of pore structure regulation of constructing electrodes and electrode inner relationship between pore structure and electrochemical performances of supercapacitor, for high-performance carbon electrode for supercapacitor controllable pore structure design and construct provides a theoretical basis.

結果 (英文) 2:

Due to the large specific surface area, good conductivity, stable, wide variety of sources, low cost, carbon materials become the most commonly used electrochemical capacitor electrode material. However, as the electrode material, the carbon material in super capacitor charging and discharging process there are still insufficient effective utilization ratio of the surface area and porosity, pore size distribution and other major scientific issues unreasonably limit the upgrade of its electrochemical properties. To solve this problem, the project intends to adopt Hummers method of processing a variety of different types of raw carbon material prepared by a series of controlled size and morphology of monodisperse primitive carbonaceous material. These carbonaceous material is assembled primitives leverage relationships and structures, structural differences between them, by adjusting the structural morphology of the assembly primitives, size and surface characteristics to optimize composite assembly, multi-level pore structure of the whole Controlled carbon composite electrode constructed in order to achieve optimal performance enhancing supercapacitors. This study reveals the system morphology, size and surface properties of carbon assembled primitive laws regulating the intrinsic relationship between the pore structure of the electrode constructed and supercapacitor electrode pore structure and electrochemical properties of high performance carbon supercapacitor Electrode design and controllable pore structure built to provide a theoretical basis.

結果 (英文) 3:

Because of the large specific surface area, good conductivity, stability, wide source, low cost, carbon materials have become the most commonly used electrode materials for electrochemical capacitors. However, as the electrode material, carbon material in the super capacitor charging and discharging process still exist in the specific surface area and pore effective utilization rate is insufficient, the pore distribution is not reasonable main scientific problems, limiting its electrochemical performance. In order to solve this problem, this project intends to use the original material of carbon Hummers method in the treatment of many different types, we synthesized a series of size and morphology controllable monodispersed carbonaceous element material. The carbonaceous material as the assembled element,Make full use of structure relations and differences between them, to optimize the composite assembled by adjusting the assembly structure and morphology, element size and surface characteristics, realize the multi-level channel structure all carbon composite electrode structure, in order to realize the optimization of the super capacitor performance promotion. This study will be the inherent relationship between pore structure on the electrode system reveal the carbon build assembly element morphology, size and surface properties of the regulation and the electrode pore structures and electrochemical properties of super capacitor, and provide a theoretical basis for design and controllable pore structure of carbon electrode to construct high performance supercapacitors.