New method for preparation of nanoparticles of high entropy metal nitrides for future energy applications
| Project/Area Number |
22K04687
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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 26020:Inorganic materials and properties-related
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| Research Institution | Shimane University |
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Principal Investigator |
Pham Hoang.Anh 島根大学, 学術研究院理工学系, 准教授 (60750213)
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| Co-Investigator(Kenkyū-buntansha) |
森戸 茂一 島根大学, 学術研究院理工学系, 教授 (00301242)
北川 裕之 島根大学, 学術研究院理工学系, 准教授 (00325044)
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| Project Period (FY) |
2022-04-01 – 2025-03-31
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| Project Status |
Granted (Fiscal Year 2023)
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| Budget Amount *help |
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2024: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2023: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2022: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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| Keywords | Metal nitride / Nanoparticle / Plasma synthesis / High entropy nitride / Catalyst / Energy / Thermal Plasma / Thermal plasma / High entropy / Nitride / Hydrogen generation |
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| Outline of Research at the Start |
We synthesize nanoparticle of metal nitrides for future energy application. We aim to understand the effects of the RF thermal plasma parameters on the formation of nanoparticle HEMN via a combination of experiments and numerical calculation to optimize the materials and the synthesis process.
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| Outline of Annual Research Achievements |
Plasma emission spectrum was measured, and the plasma temperature was estimated. Pure metal powders of Ti, Cr, V, and Fe was used for synthesis of TiN, CrN, and FeN nanoparticles, respectively. The parameters were optimized for synthesis of the metal nitride nanoparticles with cubic NaCl structure. The electrochemical properties of the nanoparticles were evaluated. The samples of CrN and FeN showed excellent catalyst properties comparable with that of Pt.
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| Current Status of Research Progress |
Current Status of Research Progress
3: Progress in research has been slightly delayed.
Reason
The power of the RF thermal plasma system was only 6 kW. Low plasma power makes it difficult to optimize the feeding rate for fully vaporization of refractory nitride powders like TiN or AlN
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| Strategy for Future Research Activity |
The research aim is to synthesis high entropy nitride nanoparticles from the mixture of pure metal powders. The approach was chosen to overcome the difficulty in achieving full vaporization of refractory nitride as raw powder for the current 6 kW RF thermal plasma system. The raw metal powders are mixed by using planetary ball milling. RF thermal plasma is used for synthesis of the nanoparticles from the mixture of powders. Crystal structure, quantity, and size of the synthesized nanoparticles will be quantitatively analyzed by XRD, SAXS, and SEM/TEM.
Electrochemical properties of the high entropy nitride nanoparticles will be evaluated.
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Report
(2 results)
Research Products
(1 results)
