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Open AccessInvestigation of the electrochemical intercalation of Ca2+ into graphite layer carbon nano filaments as a novel electrode material for calcium-ion batteries
We investigated the electrochemical intercalation of Ca2+ or solvated Ca2+ into Marimo nano carbon (MNC) as an anode material for calcium-ion batteries. When Ca (ClO4)2 and Ca (TFSI)2 were used as electrolyte sal...
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Article
Electrochemical performance of marimocarbon/lithium titanate composites synthesized by hydrothermal method for lithium-ion batteries
We prepared and investigated the composites of the spinel Li4Ti5O12 (LTO) and Marimocarbon (MC) by the hydrothermal method that could form uniform electric paths without aggregation of the LTO particles for high ...
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Article
Role of solution structure in the electrochemical intercalation of Ca2+ into graphite layers
In this study, we investigated the electrochemical intercalation of Ca2+ into graphite as an anode material for calcium-ion batteries (CIBs). The electrochemical intercalation of Ca2+ into a graphite electrode is...
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Article
Development of Direct Methanol Fuel Cell Catalyst Using Marimo Nano Carbon
In this study, a fibrous carbon material, Marimo nano carbon (MNC), was investigated as a catalyst support material for a direct methanol fuel cell. MNC comprises diamond particles in its core and carbon nanof...
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Article
A novel spherical carbon
We developed a novel spherical carbon material. The spherical carbon is composed of a high density of carbon nanotubes or nanofilaments, and includes an oxidized diamond particle as a core. Syntheses of this c...
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Article
Catalytic growth of carbon nanofilament in liquid hydrocarbon
Carbon nanofilaments were grown on silicon substrates by using a novel catalytic method in an organic liquid hydrocarbon. Nonequilibrium catalytic deposition gave significantly pure carbon nanofilaments with v...
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Article
Partial Oxidation of Methane to Synthesis Gas Over Ru-Loaded Y2O3 Catalyst
Ru-loaded Y2O3 catalyst was investigated for the partial oxidation of methane to synthesis gas. Ru(0.5 wt%)/Y2O3 catalyst afforded a high CH4 conversion of 27% at a CH4:O2 ratio of 5 to give nearly a 1:2 ratio of...
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Article
Synthesis of aligned carbon nanotubes in organic liquids
A simple and novel method was developed for efficient synthesis of aligned multiwalled carbon nanotubes (CNTs) in methanol and ethanol under normal pressure. The CNTs’ alignment and structures were investigate...
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Article
Optimization of Fe/SiO2 based metal oxides as selective oxidation catalyst of propane with combinatorial approach
A combinatorial optimization with genetic algorism was performed on the five generations of 0.05 atm% Fe/SiO2 added multi-metal oxides to be used as catalytic materials for the selective oxidation of propane to g...
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Article
Diamond-Supported Metal Catalyst: A Novel Medium for Hydrogen Production from Methanol Decomposition
Oxidized diamond-supported Ni catalysts gave the best performance among the oxidized diamond-supported various metal catalysts for the decomposition of methanol to synthesis gas. Ni (5 wt%)/oxidized diamond af...
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Article
Alkylation of benzene with ethane over platinum-loaded zeolite catalyst
Alkylation of benzene with ethane was carried out using various zeolite catalysts at temperature ranges of 400–550 °C. Loading of platinum onto zeolite greatly enhanced the yield of ethylbenzene. Among the zeo...
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Article
Dehydrogenation of isopropylbenzene with vanadium-oxide-loaded activated carbon catalyst in the presence of carbon dioxide
Dehydrogenation of isopropylbenzene to α-methylstyrene was carried out using various supported metal oxide catalysts in the presence of carbon dioxide. An activated carbon-supported vanadium oxide catalyst aff...
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Article
Promoting effect of carbon dioxide on the dehydrogenation and aromatization of ethane over gallium‐loaded catalysts
Ga2O3 and Ga2O3/TiO2 catalysts were found to be effective agents for the dehydrogenation of ethane to ethene in the presence of carbon dioxide at 650 °C. The activity of the Ga2O3 and Ga2O3/TiO2 catalysts in the ...
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Article
Acrolein formation in the oxidation of ethane over silica catalysts supporting iron and cesium
A significant yield of aldehydes was obtained by the partial oxidation of ethane over alkali‐modified Fe/SiO2 catalysts at 475°C (<2% in the case of Cs–Fe/SiO2). Not only acetaldehyde and formaldehyde but also ac...
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Article
Effect of support on the conversion of methane to synthesis gas over supported iridium catalysts
A partial oxidation of methane was carried out using iridium catalysts supported on several metal oxides. The productivity of the synthesis gas from methane was strongly affected by the choice of support oxide...
