层间微膨化MCMB的制备及超级电容性能研究

来源 :中国化学会第十七次全国电化学大会 | 被引量 : 0次 | 上传用户:linyuan0213
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
中间相炭微球(Mesocarbon Microbeads,MCMB)是重质芳香烃类混合物在液相炭化时生成的一种炭质液晶物质,因其球形度好、粒径小而均匀、平面分子结构规整且富含边缘基团.膨胀石墨(E-MCMB)具有典型的石墨的层状结构,且炭微球具有较大的层间距,利于离子的嵌入,且具有较小的传输距离,耐电压性能较好,能提高电容器的能量密度.
其他文献
Evaluation of flavor profiling has been a very important step during the development of savory flavor.In the past,flavor profiling was typically done by human sensory evaluation.In the paper,an innova
会议
The development of non-precious metal-based electrocatalyst to replace Pt in fuel cells has become the goals of intensive research in recent years [1,2].In this paper,with Co(SO4) 7 H2O as the metal p
Fuel cells have been considered as the most promising candidate of next generation energy device for its environment-friendly and high efficiency.However,the stability absence of noble metal catalyst
会议
Direct methanol fuel cells (DMFCs) have received persistent attention in the past decades due to their high energy efficiency and low emission.However,as the current state-of-the-art anode catalysts,P
会议
Fuel cell,as a clean technology with high efficiency,has showed huge potentially application in vehicle and power station industry,while it has been hindered by the low kinetics and poor performance s
会议
Solid oxide fuel cells (SOFCs) represent the cleanest,most efficient and versatile chemical-to-electrical energy conversion system[1].Recently,Sr-/ Mg-doped LaGaO3 (LSGM) has been proposed and investi
会议
Fuel cells,one of the most promising alternative energies in the near future,have been receiving increased attention recently due to the depletion of fossil fuels and the increase in environmental pol
会议
At present,Pt-based materials are the most widely used catalysts for methanol electrooxidation in direct methanol fuel cells (DMFC).To improve the stability of support,titania has attracted increasing
会议
The study of non precious metal (NPM) electrocatalysts with the purpose to replace expensive Pt catalyst has become a central theme in fuel cell communities.Certain types of N-containing transition me
石墨烯是由以SP2杂化连接的单层碳原子紧密堆积成二维蜂窝状晶格结构的一种碳质新材料,具有优良的力学、热学、电学和光学性能,其中电子的运动速度达到光速的1/300,理想的单层石墨烯具有超大的比表面积,其理论比表面积高达2630m2/g[1],大大超过了目前应用于电化学双层电容器中其他碳质材料的比表面积.这些特点使其在电化学领域有着很广泛的应用前景.
会议