| Project/Area Number |
24651073
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Environmental technology/Environmental materials
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| Research Institution | Nagaoka University of Technology |
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Principal Investigator |
UMEDA Minoru 長岡技術科学大学, 工学部, 教授 (20323066)
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| Co-Investigator(Kenkyū-buntansha) |
SHIRONITA Sayoko 長岡技術科学大学, 工学部, 助教 (90580994)
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| Project Period (FY) |
2012-04-01 – 2014-03-31
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| Project Status |
Completed (Fiscal Year 2013)
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| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2012: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Keywords | 二酸化炭素還元 / 電極触媒 / 膜電極接合体 / 燃料電池単セル / 燃料電池発電 / 水素二酸化炭素燃料電池 / 質量分析 / 水素 |
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| Research Abstract |
By using a PEFC single cell having Pt/C-based anode and cathode, power generation properties were evaluated by feeding H2 and CO2 to the anode and cathode, respectively. In addition, CO2 reduction products exhausted from the PEFC were detected. Main results are summarized as follows. (1) CO2 reduction potential is found to be 0.05-0.4 V vs. DHE, which is positive than the HOR potential. This succeeded to demonstrate the power generation of the H2-CO2 PEFC. (2) The generated power increased with an increase in the operation temperature of the H2-CO2 PEFC, suggesting that the CO2 reduction is thermally activated. (3) Under the controlled potential of 0.051 V vs. DHE, the cathode current of the H2-CO2 PEFC changed by 2 h cycle, implying that the cathode Pt is poisoned by the CO2 reduction product and then recovered. (4) CO2 reduction products/intermediates are found to be methane and methanol.
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