| Project/Area Number |
23K20057
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| Project/Area Number (Other) |
19H02558 (2019-2023)
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Multi-year Fund (2024)
Single-year Grants (2019-2023) |
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| Section | 一般 |
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| Review Section |
Basic Section 28030:Nanomaterials-related
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| Research Institution | Kyushu University |
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Principal Investigator |
LYTH Stephen 九州大学, 水素エネルギー国際研究センター, 准教授 (50618824)
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| Co-Investigator(Kenkyū-buntansha) |
MUFUNDIRWA ALBERT 公益財団法人高輝度光科学研究センター, 散乱・イメージング推進室, 博士研究員 (40898152)
吉岡 聰 九州大学, 工学研究院, 助教 (50452818)
宮嶋 陽司 金沢大学, 機械工学系, 准教授 (80506254)
ハリントン ジョージ 九州大学, 持続的共進化地域創成拠点, 特任助教 (20753718)
西原 正通 九州大学, 次世代燃料電池産学連携研究センター, 准教授 (40415972)
林 灯 九州大学, 水素エネルギー国際研究センター, 教授 (60443214)
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| Project Period (FY) |
2019-04-01 – 2024-03-31
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| Project Status |
Suspended (Fiscal Year 2024)
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| Budget Amount *help |
¥17,420,000 (Direct Cost: ¥13,400,000、Indirect Cost: ¥4,020,000)
Fiscal Year 2024: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2023: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2022: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2021: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2020: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2019: ¥5,850,000 (Direct Cost: ¥4,500,000、Indirect Cost: ¥1,350,000)
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| Keywords | Electrochemistry / Carbon / Hydrogen / non-PGM / ORR / electrochemistry / carbon / platinum-free / oxygen reduction / Pt-free / carbon nanomaterials / Electrochemistrty / Platinum-free / PEMFC / In-situ characterisation / Oxygen Reduction Reaction |
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| Outline of Research at the Start |
Polymer electrolyte fuel cells convert hydrogen to electricity, heat, and water, and will help decrease CO2 emissions. However, they are expensive because of the platinum electrocatalyst. Cheaper catalysts based on nanostructured iron-decorated nitrogen-doped carbon (Fe-N-C) are being developed. Their performance is improving, but fundamental questions remain. Here we focus on two: i) How do Fe-N-C catalysts form during synthesis; and ii) How do they degrade during operation? These will be answered using advanced in-situ techniques at high temperature or during electrochemical tests.
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| Outline of Annual Research Achievements |
Performed catalyst synthesis, characterisation and variation of synthesis parameters (temperature, nitrogen content, metal loading). Investigated alternative metal precursors. Clarified effects of different heat treatment parameters on activity of catalysts, linking changes in activity to pore size distribution and active site density. Clarified how metal precursors decompose during heat treatment to form active sites on N-doped carbon supports, using in situ X-ray absorption spectroscopy. Attended Charles University for high temperature XPS measurements. Performed durability experiments. We have extended to research to alternative metals like Sn and Co. The results were presented at conferences, published in a book, a book chapter, and several other manuscripts are in preparation.
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| Current Status of Research Progress |
Current Status of Research Progress
2: Research has progressed on the whole more than it was originally planned.
Reason
The project is proceeding according to plan.
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| Strategy for Future Research Activity |
We will continue with the original plan, focusing on durability testing of the designed electrocatalysts, and membrane electrode assembly (MEA) tests. We will continue investigation of alternative metals and high temperature in-situ characterisation techniques. We will visit Saga Beam Line several times to continue our XAS investigation. We will attend conferences to present our work, and push to publish the data we already collected in peer reviewed journals.
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