过渡金属微纳材料结构调控及超级电容器性能研究

被引量 : 0次 | 上传用户:l441060226
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
超级电容器作为一种新型储能器件,由于其兼具快速的充放电效率、优异的循环性能和较高的功率密度,能满足市场对储能器件的广泛要求,被认为存在巨大的发展潜力。电极材料作为超级电容器的核心组成部分,其化学组成和结构形貌直接决定着整个元件的性能表现。本文将选取较常见的镍基、锰基和钴基化合物作为研究对象,基于小尺寸效应、表面效应和协同效应,分别从电极材料的结构排布、自身的结构特征和内部结构属性三个方面,探究了电极材料与电化学性能之间的构-效关系,从而为研制新型高性能的过渡金属基电极材料提供理论基础。主要内容如下:
其他文献
Yttrium oxide (Y2O3) dielectric films were grown on heavily-doped silicon (100) substrates by sol-gel process.Yttrium nitrate (Y(NO3)3·6H2O) was used as precur
会议
鼠尾藻(Sargassum thunbergii)是北太平洋西部特有的暖温带性大型海藻,在我国沿海潮间带地区常常形成优势种群,鼠尾藻海藻床不仅可以吸收海水中的碳、氮和磷等生源要素改善海
固体氧化物燃料电池(Solid Oxide Fuel Cell, SOFC)是一种全固态、高效的能量转换装置,由于自身特有的优点SOFC被认为是21世纪最有效的发电系统之一。本论文以获得理想的阳极性能为主要目的,在NiO-YSZ/YSZ复合陶瓷作为阳极支撑型平板式SOFC的阳极/电解质复合体系的基础上,运用对称复合压片和流延两种工艺系统地研究了阳极粉体的粒径尺寸、阳极内部微孔的分布、阳极功能层数等
Since P.G.de Gennes raised the concept of Janus particles in his Nobel Prize lecture entitled "Soft Matter" in 1991 [1].Janus particles present an interesting a
会议
The concept of biomimetic approach to converting sunlight was applied for design of composite materials.Here,plasmonic heterostructure arrays for photoelectroch
会议
In this research contribution,a novel hybrid nanofiber containing nanoSiO2-carried europium complex nanocrystals [SiO2:Eu(tta)3phen] (htta:α-thenoyltrifluoroac
会议
Highly efficient transparent conducting electrodes (TCEs) fabricated on flexible polymer substrates are intensively invest igated for their uses in flexible opt
会议
会议
The techniques for curing cancers of human have been looking for decades.The folic acid-capped gold nanocages (FA-AuNC) whose average diameter is about 60 nm ha
会议
Ag nanoparticles were deposited onto graphene sheets to form graphene/Ag nanocomposites through solvothermal method using ethylene glycol as solvent and reducin
会议