Yazaki Resources Co.

Hamamatsu, Japan

Yazaki Resources Co.

Hamamatsu, Japan
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Sazanami Y.,Tokyo Gas Co. | Okubi K.,Osaka Gas Co. | Hamano H.,Sankyo Tateyama Aluminium Inc. | NTakahashi,Yazaki Resources Co. | And 5 more authors.
International Gas Research Conference Proceedings | Year: 2011

This paper details the work involved in integrating gas and renewable energy. "SOLAMO", a gas-fired hot water system utilizing solar power, was developed by Tokyo Gas and Osaka Gas. With this system, customers can cover part of their domestic thermal demand for hot water and heating by using solar heat. "SOLAMO" was named after our belief that gas can make better use of solar power. The subjects relating to "SOLAMO" are as follows: • Major specifications and characteristics of each system • SOLAMO system for installation on balconies of newly-built condominiums • SOLAMO system for houses Every SOLAMO system consists of a solar heat collection unit, a hot water tank unit which stores solar heat, and a remote control panel. SOLAMO also has a mode that allows hot water to be heated by solar power alone. The latent heat recovery-type highly efficient gas water heating system called "ECO-JOES" is a constituent of the SOLAMO system. When solar radiation is not sufficient and solar heat is not available, the gas water heater can always provide hot water demand instantly. Moreover, with a remote control panel featuring a solar heat monitor, the solar heat collection status is indicated in real time, making users aware that they are using solar energy. The major specifications and characteristics are included in this paper.


Mochizuki K.,University of Shizuoka | Mochizuki K.,Yazaki Resources Co. | Kikuchi T.,University of Shizuoka | Sudoh M.,University of Shizuoka | And 2 more authors.
ECS Transactions | Year: 2010

This study describes a new CO sensor based on a proton exchange membrane for combustion applications over 100°C. One of the promising high-temperature polymers is based on the phosphoric acid doped polybenzimidazole (PBI) polymer. Output at less than 300 ppm CO was clearly detected with PBI at around 200°C Based on the polarization curves, the current density approximately linearly decreased with the decreasing voltage. It was found that PBI had a high CO to H2 selectivity in the combustor exhaust. Sensor performance using PBI was less influenced by humidity than Nafion. ©The Electrochemical Society.


Mochizuki K.,University of Shizuoka | Mochizuki K.,Yazaki Resources Company | Kikuchi T.,University of Shizuoka | Sudoh M.,University of Shizuoka | And 2 more authors.
Journal of the Electrochemical Society | Year: 2011

This study describes a new CO sensor based on a proton exchange membrane for combustion applications over 100°C. One of the promising high-temperature polymers is based on the phosphoric acid doped polybenzimidazole (PBI) polymer. Output at less than 300 ppm CO was clearly detected using the PBI at around 200°C. Based on the polarization curves, the current density approximately linearly decreased with the decreasing voltage. It was found that the PBI had a high CO to H2 selectivity in the combustor exhaust. The contributions of the anode and cathode electrodes to the output voltage are revealed using a normal hydrogen electrode. Sensor performance using the PBI was less influenced by the humidity than when using Nafion. © 2011 The Electrochemical Society.


Mochizuki K.,University of Shizuoka | Mochizuki K.,Yazaki Resources Co | Iwatsu H.,University of Shizuoka | Sudoh M.,University of Shizuoka | And 2 more authors.
Electrochemistry | Year: 2010

A new amperometric sensor based on proton conducting membranes to CO was investigated. It was observed that the sensor current density showed almost linearity against CO concentration in the range of 0-3000 ppm at 200°C. In addition, the sensitivity at less than 300 ppm CO was detected clearly using phosphoric acid doped polybenzimidazole (PBI) membrane It was found that PBI membrane had high selectivity of CO to H2 in combustor exhaust gases at 200C. Sensor performance using PBI membrane was less influenced by humidity than Nafion.


Mochizuki K.,University of Shizuoka | Mochizuki K.,Yazaki Resources Co. | Yamamoto A.,University of Shizuoka | Kikuchi T.,University of Shizuoka | And 4 more authors.
Sensor Letters | Year: 2011

A new type amperometric sensor based on proton conducting membranes (such as Nation) was investigated to detect dilute levels of CO. Experiments have been conducted using a single cell with the surface area of 5.29 cm2. It was observed that the sensor current was almost linear versus the CO concentration in the range of 0-5000 ppm at room temperature. In addition, the sensitivity at less than 300 ppm CO using the Nafion117 membrane was higher than that of the combustion-type sensor. It was found that the sensor sensitivity was almost linear in the range of 100 ppm to 5000 ppm CO in spite of using the membrane degraded by Fenton's reagent. The Pt loading amount on the cathode had a more significant influence than the anode. Based on polarization curves, the anode potential shifted higher due to the mixed potential of the CO oxidation and oxygen reduction reaction. Copyright © 2011 American Scientific Publishers. All rights reserved.

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