Faculty Profiles - HIBINO, Takashi

Papers - HIBINO, Takashi

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総説：新しい固体電解質型燃料電池の開発

日比野高士

エコインダストリー Vol. 5 page： 5-10 2000

A novel sensor for C1-C8 hydrocarbons using two zirconia-based electrochemical cells Reviewed

Hibino T, Wang SQ

SENSORS AND ACTUATORS B-CHEMICAL Vol. 61 ( 1-3 ) page： 12 - 18 1999.12

Novel sensor for C1-C8 hydrocarbons using two zirconia-based electrochemical cells Reviewed

Hibino T., Wang S.

Sensors and Actuators, B: Chemical Vol. 61 ( 1 ) page： 12 - 18 1999.12

Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Sensors and Actuators, B: Chemical

An electrochemical device for detecting various hydrocarbons at high temperatures has been fabricated by attaching two Pd|YSZ|Au cells together in which the Pd electrodes are located on the inside of the assembly. The sensing properties for C1-C6 alkanes, C2-C4 alkenes and C6-C8 aromatic hydrocarbons were investigated at 700 °C. When the sample gases containing 0-1000 ppm hydrocarbon and 250-1000 ppm oxygen were supplied to the device at a flow rate of 100 cm3 min-1, large electromotive force (EMF) values were generated from one cell and then compensated by electrochemically pumping oxygen from the other cell. The current applied to the latter cell increased with increasing hydrocarbon concentration and was not significantly affected by changing the oxygen concentration. In addition, the sensitivity to the hydrocarbons became higher as the carbon number of the hydrocarbons increased, although this did not hold for the aromatic hydrocarbons.

DOI： 10.1016/S0925-4005(99)00247-6

Scopus

A novel sensor for C1 - C8 hydrocarbons using two zirconia-based electrochemical cells Reviewed

Takashi Hibino, Shuqiang Wang

Sensors and Actuators B Vol. 61 page： 12-18 1999.12

High-temperature hydrocarbon sensors based on a stabilized zirconia electrolyte and metal oxide electrodes Reviewed

Takashi Hibino, Satoshi Tanimoto, Shiro Kakimoto, Mitsuru Sano

Electrochemical and Solid-State Letters Vol. 2 page： 651-653 1999.12

High-temperature hydrocarbon sensors based on a stabilized zirconia electrolyte and metal oxide electrodes Reviewed

Hibino T, Tanimoto S, Kakimoto S, Sano M

ELECTROCHEMICAL AND SOLID STATE LETTERS Vol. 2 ( 12 ) page： 651 - 653 1999.12

High-temperature hydrocarbon sensors based on a stabilized zirconia electrolyte and metal oxide electrodes Reviewed

Hibino T., Tanimoto S., Kakimoto S., Sano M.

Electrochemical and Solid-State Letters Vol. 2 ( 12 ) page： 651 - 653 1999.12

Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Electrochemical and Solid-State Letters

The sensing properties of zirconia-based electrochemical cells with various metal oxide electrodes for 0-500 ppm hydrocarbons (primarily propene), hydrogen, and carbon monoxide were studied in the presence of 10% oxygen at 600 °C. The addition of 0.1 wt % manganese oxide (MnO2) to an indium oxide (In2O3) electrode significantly improved the selectivity of the parent electrode to propene over hydrogen and carbon monoxide. This addition effect was based on the promotion of nonelectrochemical oxidations of hydrogen and carbon monoxide in preference to that of propene. The sensor using the 0.1 wt % MnO2-added In2O3 electrode was more reproducible and sensitive to the hydrocarbons than that using a gold electrode.

DOI： 10.1149/1.1390937

Scopus

Non-nernstian behaviors at modified Au electrodes for hydrocarbon gas sensing Reviewed

Takashi Hibino, Siro Kakimoto, Mitsuru Sano

Journal of the Electrochemical Society Vol. 146 page： 3361-3366 1999.9

Non-Nernstian behavior at modified Au electrodes for hydrocarbon gas sensing Reviewed

Hibino T, Kakimoto S, Sano M

JOURNAL OF THE ELECTROCHEMICAL SOCIETY Vol. 146 ( 9 ) page： 3361 - 3366 1999.9

Non-Nernstian behavior at modified Au electrodes for hydrocarbon gas sensing Reviewed

Hibino T., Kakimoto S., Sano M.

Journal of the Electrochemical Society Vol. 146 ( 9 ) page： 3361 - 3366 1999.9

Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Journal of the Electrochemical Society

It was found that the non-Nernstian behavior of a stabilized zirconia cell using a gold (Au) working electrode for saturated and unsaturated hydrocarbon gases can be markedly enhanced by adding tantalum oxide (Ta2O5) to the Au electrode. The non-ideal emf value of the cell using the 10 wt% Ta2O5-added Au electrode for propene is typically three times the value of the cell using the parent Au electrode. The enhancing effect is explained by a promotion of the anodic reaction of propene in preference to the cathodic reaction of oxygen, which simultaneously occurs at the working electrode. The non-ideal emf value for hydrocarbons becomes more negative as the carbon number increases, the C-C linkage is unsaturated, and the chain structure is branched. The enhancing effect due to the calcination of the Au electrode at high temperatures was also studied and was found to be based on a depression of the cathodic reaction of oxygen rather than the anodic reaction of propene.

DOI： 10.1149/1.1392478

Scopus

Effect of electrode and electrolyte modification on the performance of one-chamber solid oxide fuel cell Reviewed

Takashi Hibino, Yoshitaka Kuwahara, Shuqiang Wang

Journal of the Electrochemical Society Vol. 146 page： 2821-2826 1999.8

Effect of electrode and electrolyte modification on the performance of one-chamber solid oxide fuel cell Reviewed

Hibino T, Kuwahara Y, Wang S

JOURNAL OF THE ELECTROCHEMICAL SOCIETY Vol. 146 ( 8 ) page： 2821 - 2826 1999.8

Effect of electrode and electrolyte modification on the performance of one-chamber solid oxide fuel cell Reviewed

Hibino T., Kuwahara Y., Wang S.

Journal of the Electrochemical Society Vol. 146 ( 8 ) page： 2821 - 2826 1999.8

Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Journal of the Electrochemical Society

A one-chamber solid oxide fuel cell (working in a methane-air mixture) with yttria-stabilized zirconia (YSZ) electrolyte was modified by adding oxide to the anode (Pt) and cathode (Au). It was determined that the addition of MnO2 to both electrodes significantly improved the cell discharge characteristics. The short-circuit current density of a cell using 15 wt % MnO2 added to the Pt and 20 wt % MnO2 added to the Au was about 50 times larger than that of a cell using Pt and Au electrodes. Moreover, the cell performance was enhanced further when 1 wt % MnO2 was doped into the YSZ electrolyte. Microstructural observations of the YSZ electrolyte/electrodes interfaces that both the electrode porosity and the contact areas between electrodes and YSZ electrolyte increased markedly for the MnO2-containing Pt and Au electrodes. In addition, the electrocatalytical property of MnO2 added in the electrodes may also contribute to the improved cell performance.

DOI： 10.1149/1.1392014

Scopus

Single chamber solid fuel cell constructed from an yttria-stabilized zirconia electrolyte Reviewed

Takashi Hibino, Shuqiang Wang, Shiro Kakimoto, Mitsuru Sano

Electrochemical and Solid-State Letters Vol. 2 page： 317-319 1999.7

Single chamber solid oxide fuel cell constructed from an yttria-stabilized zirconia electrolyte Reviewed

Hibino T, Wang SQ, Kakimoto S, Sano M

ELECTROCHEMICAL AND SOLID STATE LETTERS Vol. 2 ( 7 ) page： 317 - 319 1999.7

Single chamber solid oxide fuel cell constructed from an yttria-stabilized zirconia electrolyte Reviewed

Hibino T., Wang S., Kakimoto S., Sano M.

Electrochemical and Solid-State Letters Vol. 2 ( 7 ) page： 317 - 319 1999.7

Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Electrochemical and Solid-State Letters

A single chamber cell constructed from an yttria-stabilized zirconia solid electrolyte with a nickel anode and a strontium-doped lanthanum manganese oxide (La0.8Sr0.2MnO3) cathode can generate an electromotive force (emf) of 795 mV and a power density of 121 mW cm-2 in a mixture of methane and air at a flow rate of 300 mL min-1 and 950 °C. The simultaneous additions of 25 wt % gadolinium-doped cerium oxide (Ce0.8G0.2dO1.9) and 15 wt % manganese oxide (MnO2) to the anode and cathode, respectively, further increased the emf to 833 mV and the power density to 162 mW cm-2.

DOI： 10.1149/1.1390822

Scopus

Detection of propylene using two zirconia-based electrochemical cells Reviewed

Takashi Hibino, Yoshitaka Kuwahara, Shuqiang Wang

Journal of the Electrochemical Society Vol. 146 page： 382-386 1999.1

Detection of propylene using two zirconia-based electrochemical cells Reviewed

Hibino T, Kuwahara Y, Wang SG

JOURNAL OF THE ELECTROCHEMICAL SOCIETY Vol. 146 ( 1 ) page： 382 - 386 1999.1

総説：単室型燃料電池の開発と特性

日比野高士

化学工業 Vol. 50 page： 743-747 1999

総説：固体電解質の資源環境エネルギーへの応用

日比野高士

Vol. 12 page： 13-17 1999

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Papers - HIBINO, Takashi