| Project/Area Number |
20K05689
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Review Section |
Basic Section 36020:Energy-related chemistry
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| Research Institution | Shibaura Institute of Technology |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
堀 顕子 芝浦工業大学, 工学部, 教授 (90433713)
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| Project Period (FY) |
2020-04-01 – 2023-03-31
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| Project Status |
Completed (Fiscal Year 2022)
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| Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2022: ¥260,000 (Direct Cost: ¥200,000、Indirect Cost: ¥60,000)
Fiscal Year 2021: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2020: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
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| Keywords | OER / ORR / electrocatalyst / nickel dithiooxamide / metal-air batteries / coordination polymer / copper dithiooxamide / overpotential / chelate polymers / bifunctional catalyst / nickel chelate polymers / 3d transition metals / oxygen evolution / oxygen reduction / coordination polymers / oxygen evolution react / oxygen reduction react / metal-air battery |
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| Outline of Research at the Start |
Powering electric vehicles requires high capacity rechargeable batteries.
Metal-air batteries, offer high energy density which is close to the energy density of gasoline. However, practical development of such batteries is hindered by inefficiency of two reactions; oxygen reduction reaction (ORR) and oxygen evolution reaction (OER).
To improve the efficiency, an electrocatalyst that can catalyze both reactions has to be developed. In this study, 3d transition metals coordination polymers will be synthesized and evaluated for their performance towards OER and OER in alkaline solutions.
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| Outline of Final Research Achievements |
In the field of metal-air batteries, a bifunctional electrocatalyst able to efficiently catalyze oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) is highly desired to provide theoretically predicted high energy densities. To address this challenge we prepared copper and nickel coordination polymers (CPs) and investigated their stability and electrocatalytic activity towards OER and ORR in alkaline solutions. It is found that CuCP-derived electrocatalyst is active mainly toward OER, while NiCP-derived electrocatalyst can catalyze both OER and ORR in alkaline solutions.
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| Academic Significance and Societal Importance of the Research Achievements |
A new method to produce active nanocomposite electrocatalysts for oxygen evolution reaction and oxygen reduction reaction in alkaline media is proposed. The method has a potential to reduce the cost of the catalyst used in metal-air batteries and electrolyzers by replacing usage of noble metals.
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