期刊
INORGANIC CHEMISTRY
卷 49, 期 10, 页码 4391-4393出版社
AMER CHEMICAL SOC
DOI: 10.1021/ic100176d
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资金
- Ministry of Education, Culture, Sports, Science and Technology, Japan
- CREST of the Japan Science and Technology Agency (JST)
Unilamellar crystallites of conductive ruthenium oxide having a thickness of about 1 nm were obtained via elemental exfoliation of a protonic layered ruthenate, H0.2RuO2 center dot 0.5H(2)O, with an alpha-NaFeO2-related crystal structure. The obtained RuO2 nanosheets possessed a well-defined crystalline structure with a hexagonal symmetry, reflecting the crystal structure of the parent material. The restacked RuO2 nanosheets exhibited a high pseudocapacitance of similar to 700 F g(-1) in an acidic electrolyte, which is almost double the value of the nonexfoliated layered protonated ruthenate.
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