化学
微晶
假电容
剥脱关节
晶体结构
纳米片
钌
结晶学
氧化钌
电解质
电化学
超级电容器
无机化学
纳米技术
物理化学
石墨烯
材料科学
有机化学
电极
催化作用
作者
Katsutoshi Fukuda,Takahiro Saida,Jun Sato,Mihoko Yonezawa,Yoshio Takasu,Wataru Sugimoto
出处
期刊:Inorganic Chemistry
[American Chemical Society]
日期:2010-04-21
卷期号:49 (10): 4391-4393
被引量:111
摘要
Unilamellar crystallites of conductive ruthenium oxide having a thickness of about 1 nm were obtained via elemental exfoliation of a protonic layered ruthenate, H(0.2)RuO(2).0.5H(2)O, with an alpha-NaFeO(2)-related crystal structure. The obtained RuO(2) nanosheets possessed a well-defined crystalline structure with a hexagonal symmetry, reflecting the crystal structure of the parent material. The restacked RuO(2) nanosheets exhibited a high pseudocapacitance of approximately 700 F g(-1) in an acidic electrolyte, which is almost double the value of the nonexfoliated layered protonated ruthenate.
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